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Kia Optima Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Kia Optima's real-world MPG based on how and where you drive a car.

Reported MPG

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If you are not a TrueDelta member, you can see only five Kia Optima MPG averages for each powertrain. Log in or join us to see them all.

Kia Optima Gas Mileage

Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2013 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD
flat light hvy 0 45 30 25 65 18.9
  flat light light 0 35 30 35 70 23.6
  flat light light 0 35 30 35 65 23.1
  flat light light 0 35 30 35 70 22.1
  flat med light 0 0 5 95 70 27.4
2013 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD
flat light light 0 30 25 45 68 23.0  
  Averages flat light light 0 30 25 45 68 23.0
With the turbocharged 274hp 2.0L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2013 Kia Optima fuel economy has been averaging 23.0 MPG (miles per gallon).

The 2013 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 45 percent of the miles driven). The rest of the miles were in the city (30 percent), in the suburbs (25 percent), and in heavy traffic (0 percent).

In addition the average 2013 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2013 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD
flat med none 0 20 5 75 68 30.1
  flat med none 0 9 1 90 68 34.0
  flat light light 0 10 50 40 55 28.1
  hills v.lt light 0 90 0 10 55 16.0
2013 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD
flat light none 0 32 14 54 62 27.1  
  Averages flat light none 0 32 14 54 62 27.1
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2013 Kia Optima has been averaging 27.1 MPG (miles per gallon).

The 2013 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 62 miles per hour (about 54 percent of the miles driven). The rest of the miles were in the city (32 percent), in the suburbs (14 percent), and in heavy traffic (0 percent).

In addition the average 2013 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2013 4dr Sedan 159-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD
flat v.lt none 0 5 0 95 68 34.6
  flat v.lt none 0 5 0 95 68 36.1
  flat v.lt none 15 20 0 65 68 35.4
  flat v.lt none 0 20 0 80 68 35.0
  flat v.lt none 0 20 0 80 68 30.8
2013 4dr Sedan 159-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD
flat v.lt none 3 14 0 83 68 34.4  
  Averages flat v.lt none 3 14 0 83 68 34.4
With the 159-horsepower 2.4L I4 Hybrid engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2013 Kia Optima gas mileage has been averaging 34.4 MPG (miles per gallon).

The 2013 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 83 percent of the miles driven). The rest of the miles were in the city (14 percent), in heavy traffic (3 percent), and in the suburbs (0 percent).

In addition the average 2013 Kia Optima in this analysis was driven on flat terrain with an ultra-light foot and the AC not used at all.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2012 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD
hills light hvy 0 0 5 95 75 29.3
  hills v.lt light 0 25 60 15 70 24.5
  hills light light 0 25 25 50 70 21.8
  hills med none 15 25 60 0 N/A 24.2
  flat light none 0 0 0 100 75 32.5
2012 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD
hills light light 3 15 30 52 73 26.5  
  Averages hills light light 3 15 30 52 73 26.5
With the turbocharged 274hp 2.0L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2012 Kia Optima fuel economy has been averaging 26.5 MPG (miles per gallon).

The 2012 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 52 percent of the miles driven). The rest of the miles were in the suburbs (30 percent), in the city (15 percent), and in heavy traffic (3 percent).

In addition the average 2012 Kia Optima in this analysis was driven on hilly terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2012 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD
hills v.lt none 0 0 5 95 65 36.2
  flat lead none 0 0 50 50 70 25.7
  flat lead none 0 0 50 50 70 30.4
  flat med light 0 0 0 100 75 28.5
  flat v.lt none 0 0 2 98 65 39.3
2012 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD
flat med none 0 0 21 79 69 32.0  
  Averages flat med none 0 0 21 79 69 32.0
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2012 Kia Optima has been averaging 32.0 MPG (miles per gallon).

The 2012 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 69 miles per hour (about 79 percent of the miles driven). The rest of the miles were in the suburbs (21 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2012 Kia Optima in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD
hills med light 0 5 25 70 70 25.3
  flat med none 0 5 20 75 70 34.0
  hills med none 0 5 25 70 70 23.6
  flat med light 0 5 40 55 70 29.0
2011 4dr Sedan turbocharged 274hp 2.0L I4
6-speed shiftable automatic FWD
hills med light 0 5 28 68 70 28.0  
  Averages hills med light 0 5 28 68 70 28.0
With the turbocharged 274hp 2.0L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2011 Kia Optima gas mileage has been averaging 28.0 MPG (miles per gallon).

The 2011 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 68 percent of the miles driven). The rest of the miles were in the suburbs (28 percent), in the city (5 percent), and in heavy traffic (0 percent).

In addition the average 2011 Kia Optima in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD
mtns light none 5 5 25 65 60 29.0
  hills v.lt none 0 0 35 65 75 28.0
  flat med light 5 5 10 80 75 26.6
  flat med none 0 25 25 50 60 25.6
  flat med light 0 25 50 25 70 24.4
2011 4dr Sedan 200-horsepower 2.4L I4
6-speed shiftable automatic FWD
hills light none 2 12 29 57 68 26.7  
  Averages hills light none 2 12 29 57 68 26.7
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2011 Kia Optima fuel economy has been averaging 26.7 MPG (miles per gallon).

The 2011 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 57 percent of the miles driven). The rest of the miles were in the suburbs (29 percent), in the city (12 percent), and in heavy traffic (2 percent).

In addition the average 2011 Kia Optima in this analysis was driven on hilly terrain with a light foot and the AC not used at all.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr Sedan 200-horsepower 2.4L I4
6-speed manual FWD
flat med light 0 5 20 75 75 30.0
2011 4dr Sedan 200-horsepower 2.4L I4
6-speed manual FWD
flat med light 0 5 20 75 75 30.0  
  Averages flat med light 0 5 20 75 75 30.0
With the 200-horsepower 2.4L I4 engine, 6-speed manual transmission, and front-wheel drive, the 2011 Kia Optima has been averaging 30.0 MPG (miles per gallon).

The 2011 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 75 percent of the miles driven). The rest of the miles were in the suburbs (20 percent), in the city (5 percent), and in heavy traffic (0 percent).

In addition the average 2011 Kia Optima in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr Sedan 194-horsepower 2.7L V6
5-speed shiftable automatic FWD
flat med light 0 10 70 20 75 20.0
2010 4dr Sedan 194-horsepower 2.7L V6
5-speed shiftable automatic FWD
flat med light 0 10 70 20 75 20.0  
  Averages flat med light 0 10 70 20 75 20.0
With the turbocharged 274hp 2.0L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2010 Kia Optima gas mileage has been averaging 20.0 MPG (miles per gallon).

The 2010 Kia Optimas in this analysis were driven mostly in the suburbs (about 70 percent of the miles driven). The rest of the miles were on the highway at an average speed of 75 miles per hour (20 percent), in the city (10 percent), and in heavy traffic (0 percent).

In addition the average 2010 Kia Optima in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr Sedan 175-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light none 0 0 0 100 65 40.6
  flat light none 0 0 0 100 65 34.9
  flat light none 0 0 2 98 60 37.1
  flat light none 0 0 2 98 60 36.5
  flat light none 0 0 95 5 65 31.9
2010 4dr Sedan 175-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light none 0 0 20 80 63 36.2  
  Averages flat light none 0 0 20 80 63 36.2
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2010 Kia Optima fuel economy has been averaging 36.2 MPG (miles per gallon).

The 2010 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 80 percent of the miles driven). The rest of the miles were in the suburbs (20 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2010 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2009 4dr Sedan 175-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light light 0 0 2 98 65 33.0
  flat light light 0 0 2 98 65 33.0
  flat light none 40 50 5 5 65 19.8
  flat light light 0 0 2 98 70 33.0
  flat light light 0 0 2 98 65 33.0
2009 4dr Sedan 175-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light light 8 10 3 79 66 30.4  
  Averages flat light light 8 10 3 79 66 30.4
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2009 Kia Optima has been averaging 30.4 MPG (miles per gallon).

The 2009 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 66 miles per hour (about 79 percent of the miles driven). The rest of the miles were in the city (10 percent), in heavy traffic (8 percent), and in the suburbs (3 percent).

In addition the average 2009 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2008 4dr Sedan 162-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light light 20 60 10 10 60 26.5
  flat light light 20 60 10 10 60 26.1
2008 4dr Sedan 162-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light light 20 60 10 10 60 26.3  
  Averages flat light light 20 60 10 10 60 26.3
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2008 Kia Optima gas mileage has been averaging 26.3 MPG (miles per gallon).

The 2008 Kia Optimas in this analysis were driven mostly in the city (about 60 percent of the miles driven). The rest of the miles were in heavy traffic (20 percent), in the suburbs (10 percent), and on the highway at an average speed of 60 miles per hour (10 percent).

In addition the average 2008 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2008 4dr Sedan 162-horsepower 2.4L I4
5-speed manual FWD
flat lead light 30 15 30 25 75 25.6
  flat lead light 30 15 30 25 75 26.7
2008 4dr Sedan 162-horsepower 2.4L I4
5-speed manual FWD
flat lead light 30 15 30 25 75 26.2  
  Averages flat lead light 30 15 30 25 75 26.2
With the 200-horsepower 2.4L I4 engine, 6-speed manual transmission, and front-wheel drive, 2008 Kia Optima fuel economy has been averaging 26.2 MPG (miles per gallon).

The 2008 Kia Optimas in this analysis were driven mostly in heavy traffic (about 30 percent of the miles driven). The rest of the miles were in the suburbs (30 percent), on the highway at an average speed of 75 miles per hour (25 percent), and in the city (15 percent).

In addition the average 2008 Kia Optima in this analysis was driven on flat terrain with a lead foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2007 4dr Sedan 185-horsepower 2.7L V6
5-speed shiftable automatic FWD
flat lead none 40 50 10 0 N/A 17.3
  flat light hvy 0 5 0 95 68 33.6
  flat v.lt light 0 0 10 90 62 32.4
  flat light light 0 5 0 95 68 33.6
  flat lead none 0 5 0 95 68 30.5
2007 4dr Sedan 185-horsepower 2.7L V6
5-speed shiftable automatic FWD
flat med none 8 13 4 75 67 29.5  
  Averages flat med none 8 13 4 75 67 29.5
With the turbocharged 274hp 2.0L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2007 Kia Optima has been averaging 29.5 MPG (miles per gallon).

The 2007 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 75 percent of the miles driven). The rest of the miles were in the city (13 percent), in heavy traffic (8 percent), and in the suburbs (4 percent).

In addition the average 2007 Kia Optima in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light hvy 5 0 90 5 65 26.0
  hills light light 0 0 90 10 65 28.5
  flat light hvy 0 0 95 5 65 13.9
  hills lead light 0 40 45 15 60 21.7
  hills med none 0 45 50 5 60 21.6
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD
hills med light 1 17 74 8 63 22.3  
  Averages hills med light 1 17 74 8 63 22.3
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2007 Kia Optima gas mileage has been averaging 22.3 MPG (miles per gallon).

The 2007 Kia Optimas in this analysis were driven mostly in the suburbs (about 74 percent of the miles driven). The rest of the miles were in the city (17 percent), on the highway at an average speed of 63 miles per hour (8 percent), and in heavy traffic (1 percent).

In addition the average 2007 Kia Optima in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2006.5 4dr Sedan 185-horsepower 2.7L V6
5-speed shiftable automatic FWD
flat med light 0 3 6 91 75 26.0
  flat light light 5 0 55 40 60 22.0
  flat light hvy 10 2 39 49 65 23.2
  flat light hvy 10 10 30 50 65 27.0
2006.5 4dr Sedan 185-horsepower 2.7L V6
5-speed shiftable automatic FWD
flat light hvy 6 4 33 58 66 24.6  
  Averages flat light hvy 6 4 33 58 66 24.6
With the turbocharged 274hp 2.0L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2006.5 Kia Optima fuel economy has been averaging 24.6 MPG (miles per gallon).

The 2006.5 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 66 miles per hour (about 58 percent of the miles driven). The rest of the miles were in the suburbs (33 percent), in heavy traffic (6 percent), and in the city (4 percent).

In addition the average 2006.5 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC on most or all of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2006.5 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat v.lt hvy 0 5 0 95 65 33.8
  flat light hvy 10 0 0 90 60 30.0
  flat light none 100 0 0 0 N/A 25.5
  flat v.lt none 0 25 25 50 65 28.9
  flat med hvy 5 5 20 70 70 24.2
2006.5 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD
flat light light 23 7 9 61 65 28.5  
  Averages flat light light 23 7 9 61 65 28.5
With the 200-horsepower 2.4L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2006.5 Kia Optima has been averaging 28.5 MPG (miles per gallon).

The 2006.5 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 61 percent of the miles driven). The rest of the miles were in heavy traffic (23 percent), in the suburbs (9 percent), and in the city (7 percent).

In addition the average 2006.5 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2006.5 4dr Sedan 161-horsepower 2.4L I4
5-speed manual FWD
flat light hvy 0 0 10 90 60 30.0
2006.5 4dr Sedan 161-horsepower 2.4L I4
5-speed manual FWD
flat light hvy 0 0 10 90 60 30.0  
  Averages flat light hvy 0 0 10 90 60 30.0
With the 200-horsepower 2.4L I4 engine, 6-speed manual transmission, and front-wheel drive, 2006.5 Kia Optima gas mileage has been averaging 30.0 MPG (miles per gallon).

The 2006.5 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 90 percent of the miles driven). The rest of the miles were in the suburbs (10 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2006.5 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC on most or all of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2005 4dr Sedan 170-horsepower 2.7L V6
4-speed shiftable automatic FWD
hills lead light 5 95 0 0 N/A 12.1
2005 4dr Sedan 170-horsepower 2.7L V6
4-speed shiftable automatic FWD
hills lead light 5 95 0 0 0 12.1  
  Averages hills lead light 5 95 0 0 0 12.1
With the turbocharged 274hp 2.0L I4 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2005 Kia Optima fuel economy has been averaging 12.1 MPG (miles per gallon).

The 2005 Kia Optimas in this analysis were driven mostly in the city (about 95 percent of the miles driven). The rest of the miles were in heavy traffic (5 percent), in the suburbs (0 percent), and on the highway at an average speed of 0 miles per hour (0 percent).

In addition the average 2005 Kia Optima in this analysis was driven on hilly terrain with a lead foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2004 4dr Sedan 138-horsepower 2.4L I4
5-speed manual FWD
flat light hvy 0 0 5 95 70 30.0
2004 4dr Sedan 138-horsepower 2.4L I4
5-speed manual FWD
flat light hvy 0 0 5 95 70 30.0  
  Averages flat light hvy 0 0 5 95 70 30.0
With the 200-horsepower 2.4L I4 engine, 6-speed manual transmission, and front-wheel drive, the 2004 Kia Optima has been averaging 30.0 MPG (miles per gallon).

The 2004 Kia Optimas in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 95 percent of the miles driven). The rest of the miles were in the suburbs (5 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2004 Kia Optima in this analysis was driven on flat terrain with a light foot and the AC on most or all of the time.

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What Our Members Are Saying about the Real Kia Optima MPG

Kia Optima Fuel Economy: Pros
Year Body/Powertrain Comment
2013 4dr Sedan turbocharged 274hp 2.0L I4 6-sp shiftable automatic FWD I find fuel economy, in mixed driving, to be on par with a V6 of comparable power. I usually get about 24 MPG in combined driving. However, on a recent road trip, I had 32 MPG on one tank. It's perhaps slightly better than the Acura TL I had, but one big bonus: the Acura required premium unleaded. On the Kia Optima, however, the manufacturer only calls for regular unleaded. Over time, that can mean a significant savings.
2011 4dr Sedan 200-hp 2.4L I4 6-sp shiftable automatic FWD High 30s on the highway and 29-30 overall with a lot of power. Active eco. setting for better economy.
2011 4dr Sedan turbocharged 274hp 2.0L I4 6-sp shiftable automatic FWD 33 mpg on 200 mile trips at about 65 mph avg.
2008 4dr Sedan 200-hp 2.4L I4 6-sp manual FWD Decent fuel mileage at this point for a mid-size sedan.
2007 4dr Sedan 200-hp 2.4L I4 6-sp shiftable automatic FWD 25-30 city/hwy
2007 4dr Sedan 200-hp 2.4L I4 6-sp shiftable automatic FWD got 42 mgh yesteerday on a 120 minute drive 25%/75% in town/highway driving. Like paying $2.25 per gallon,
2007 4dr Sedan 200-hp 2.4L I4 6-sp shiftable automatic FWD It may be a bit borderline in 100% city driving (19-20 mpg), but it gets 33mpg+ on the open highway, with only a 1-2 mpg penalty for using A/C.
2005 4dr Sedan turbocharged 274hp 2.0L I4 6-sp shiftable automatic FWD AS above