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Buick LaCrosse 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 Buick LaCrosse'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 Buick LaCrosse MPG averages for each powertrain. Log in or join us to see them all.

Buick LaCrosse 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
2012 4dr Sedan 303-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat med light 30 40 5 25 70 24.0
  flat med light 30 40 5 25 70 24.0
2012 4dr Sedan 303-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat med light 30 40 5 25 70 24.0
  Averages flat med light 30 40 5 25 70 24.0
With the 303-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2012 Buick LaCrosse fuel economy has been averaging 24.0 MPG (miles per gallon).

The 2012 Buick LaCrosses in this analysis were driven mostly in the city (about 40 percent of the miles driven). The rest of the miles were in heavy traffic (30 percent), on the highway at an average speed of 70 miles per hour (25 percent), and in the suburbs (5 percent).

In addition the average 2012 Buick LaCrosse 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
2012 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD
flat light none 0 0 50 50 65 35.0
  flat light none 0 0 35 65 65 34.0
2012 4dr Sedan 182-horsepower 2.4L I4 Hybrid
6-speed shiftable automatic FWD
flat light none 0 0 43 58 65 34.5
  Averages flat light none 0 0 43 58 65 34.5
With the 182-horsepower 2.4L I4 Hybrid engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2012 Buick LaCrosse has been averaging 34.5 MPG (miles per gallon).

The 2012 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 58 percent of the miles driven). The rest of the miles were in the suburbs (43 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2012 Buick LaCrosse 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
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat light hvy 50 40 10 0 N/A 15.5
  hills light light 15 30 40 15 70 21.5
  hills v.lt hvy 5 5 15 75 65 27.5
  flat light light 0 75 25 0 N/A 15.0
  flat light none 0 0 95 5 60 16.0
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat light light 14 30 37 19 65 19.1
  Averages flat light light 14 30 37 19 65 19.1
With the 303-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2011 Buick LaCrosse gas mileage has been averaging 19.1 MPG (miles per gallon).

The 2011 Buick LaCrosses in this analysis were driven mostly in the suburbs (about 37 percent of the miles driven). The rest of the miles were in the city (30 percent), on the highway at an average speed of 65 miles per hour (19 percent), and in heavy traffic (14 percent).

In addition the average 2011 Buick LaCrosse 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
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic AWD
flat med hvy 5 10 15 70 75 24.8
  flat med light 5 20 40 35 75 21.5
2011 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic AWD
flat med hvy 5 15 28 53 75 23.2
  Averages flat med hvy 5 15 28 53 75 23.2
With the 280-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, 2011 Buick LaCrosse fuel economy has been averaging 23.2 MPG (miles per gallon).

The 2011 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the suburbs (28 percent), in the city (15 percent), and in heavy traffic (5 percent).

In addition the average 2011 Buick LaCrosse in this analysis was driven on flat terrain with a medium 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
2010 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat light light 9 18 27 45 60 22.3
  flat light hvy 0 0 10 90 70 26.9
  flat light light 9 18 27 45 60 24.1
  flat med light 20 0 0 80 70 24.0
  flat light none 30 30 0 40 60 20.5
2010 4dr Sedan 280-horsepower 3.6L V6
6-speed shiftable automatic FWD
flat light light 14 13 13 60 64 23.6
  Averages flat light light 14 13 13 60 64 23.6
With the 303-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2010 Buick LaCrosse has been averaging 23.6 MPG (miles per gallon).

The 2010 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 60 percent of the miles driven). The rest of the miles were in heavy traffic (14 percent), in the suburbs (13 percent), and in the city (13 percent).

In addition the average 2010 Buick LaCrosse 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
2010 4dr Sedan 255-horsepower 3.0L V6
6-speed shiftable automatic FWD
mtns light none 10 10 40 40 60 22.0
2010 4dr Sedan 255-horsepower 3.0L V6
6-speed shiftable automatic FWD
mtns light none 10 10 40 40 60 22.0
  Averages mtns light none 10 10 40 40 60 22.0
With the 255-horsepower 3.0L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2010 Buick LaCrosse gas mileage has been averaging 22.0 MPG (miles per gallon).

The 2010 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 40 percent of the miles driven). The rest of the miles were in the suburbs (40 percent), in heavy traffic (10 percent), and in the city (10 percent).

In addition the average 2010 Buick LaCrosse in this analysis was driven on mountainous 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
2010 4dr Sedan 252-horsepower 3.0L V6
6-speed shiftable automatic AWD
flat med none 0 35 0 65 110 24.0
2010 4dr Sedan 252-horsepower 3.0L V6
6-speed shiftable automatic AWD
flat med none 0 35 0 65 110 24.0
  Averages flat med none 0 35 0 65 110 24.0
With the 252-horsepower 3.0L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, 2010 Buick LaCrosse fuel economy has been averaging 24.0 MPG (miles per gallon).

The 2010 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 110 miles per hour (about 65 percent of the miles driven). The rest of the miles were in the city (35 percent), in heavy traffic (0 percent), and in the suburbs (0 percent).

In addition the average 2010 Buick LaCrosse 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 200-horsepower 3.8L V6
4-speed automatic FWD
hills med hvy 0 0 0 100 65 24.2
  hills med hvy 0 10 20 70 70 24.0
  hills med light 0 0 0 100 60 22.1
  hills med none 0 10 30 60 70 22.9
  flat med none 0 0 0 100 70 26.1
2007 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
hills med light 0 4 10 86 67 23.9
  Averages hills med light 0 4 10 86 67 23.9
With the 255-horsepower 3.0L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2007 Buick LaCrosse has been averaging 23.9 MPG (miles per gallon).

The 2007 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 86 percent of the miles driven). The rest of the miles were in the suburbs (10 percent), in the city (4 percent), and in heavy traffic (0 percent).

In addition the average 2007 Buick LaCrosse 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 4dr Sedan 240-horsepower 3.6L V6
4-speed automatic FWD
flat light light 0 20 5 75 100 26.4
  flat light light 0 0 5 95 120 27.4
  flat light light 10 30 15 45 110 24.0
  flat light hvy 15 40 15 30 110 21.0
  flat light light 0 10 30 60 100 26.4
2006 4dr Sedan 240-horsepower 3.6L V6
4-speed automatic FWD
flat light light 5 20 14 61 108 25.0
  Averages flat light light 5 20 14 61 108 25.0
With the 303-horsepower 3.6L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2006 Buick LaCrosse gas mileage has been averaging 25.0 MPG (miles per gallon).

The 2006 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 108 miles per hour (about 61 percent of the miles driven). The rest of the miles were in the city (20 percent), in the suburbs (14 percent), and in heavy traffic (5 percent).

In addition the average 2006 Buick LaCrosse 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 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
flat light light 30 20 10 40 65 18.0
  flat v.lt none 3 2 20 75 60 28.3
2006 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
flat light light 17 11 15 58 63 23.2
  Averages flat light light 17 11 15 58 63 23.2
With the 255-horsepower 3.0L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, 2006 Buick LaCrosse fuel economy has been averaging 23.2 MPG (miles per gallon).

The 2006 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 58 percent of the miles driven). The rest of the miles were in heavy traffic (17 percent), in the suburbs (15 percent), and in the city (11 percent).

In addition the average 2006 Buick LaCrosse 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
2005 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
hills light none 0 45 10 45 70 23.5
  flat med none 10 50 0 40 110 20.8
  flat med none 0 0 10 90 110 30.2
  flat light light 10 40 20 30 110 22.4
2005 4dr Sedan 200-horsepower 3.8L V6
4-speed automatic FWD
flat med none 5 34 10 51 100 24.2
  Averages flat med none 5 34 10 51 100 24.2
With the 255-horsepower 3.0L V6 engine, 6-speed shiftable automatic transmission, and front-wheel drive, the 2005 Buick LaCrosse has been averaging 24.2 MPG (miles per gallon).

The 2005 Buick LaCrosses in this analysis were driven mostly on the highway at an average speed of 100 miles per hour (about 51 percent of the miles driven). The rest of the miles were in the city (34 percent), in the suburbs (10 percent), and in heavy traffic (5 percent).

In addition the average 2005 Buick LaCrosse in this analysis was driven on flat terrain with a medium foot and the AC not used at all.

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What Our Members Are Saying about the Real Buick LaCrosse MPG

Buick LaCrosse Fuel Economy: Cons
Year Body/Powertrain Comment
2011 4dr Sedan 303-hp 3.6L V6 6-sp shiftable automatic FWD Fuel economy not as good as Ford Taurus. Transmisson shifts down alot when in hilly conditions