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

Chevrolet TrailBlazer 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
2008 4dr SUV 285-horsepower 4.2L I6
4-speed automatic RWD
mtns med none 0 0 0 100 68 23.5
  flat light hvy 5 90 5 0 N/A 15.0
2008 4dr SUV 285-horsepower 4.2L I6
4-speed automatic RWD
hills med light 3 45 3 50 68 19.3  
  Averages hills med light 3 45 3 50 68 19.3
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and rear-wheel drive, 2008 Chevrolet TrailBlazer fuel economy has been averaging 19.3 MPG (miles per gallon).

The 2008 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (45 percent), in heavy traffic (3 percent), and in the suburbs (3 percent).

In addition the average 2008 Chevrolet TrailBlazer 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
2008 4dr SUV 285-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med none 0 10 0 90 70 19.1
  flat light none 20 40 30 10 62 15.4
  flat med none 0 0 0 100 65 22.0
  mtns med none 0 25 25 50 65 16.2
  flat med none 0 5 80 15 60 12.9
2008 4dr SUV 285-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med none 4 16 27 53 64 17.1  
  Averages flat med none 4 16 27 53 64 17.1
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, the 2008 Chevrolet TrailBlazer has been averaging 17.1 MPG (miles per gallon).

The 2008 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the suburbs (27 percent), in the city (16 percent), and in heavy traffic (4 percent).

In addition the average 2008 Chevrolet TrailBlazer 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 SUV 395-horsepower 6.0L V8
4-speed automatic AWD
flat lead none 5 20 20 55 75 13.5
  flat med none 55 0 5 40 75 16.2
  flat med none 75 0 5 20 75 12.6
  flat lead hvy 20 20 20 40 90 10.7
  flat med light 75 0 5 20 75 14.9
2007 4dr SUV 395-horsepower 6.0L V8
4-speed automatic AWD
flat med none 46 8 11 35 78 13.6  
  Averages flat med none 46 8 11 35 78 13.6
With the 395-horsepower 6.0L V8 engine, 4-speed automatic transmission, and all-wheel drive, 2007 Chevrolet TrailBlazer gas mileage has been averaging 13.6 MPG (miles per gallon).

The 2007 Chevrolet TrailBlazers in this analysis were driven mostly in heavy traffic (about 46 percent of the miles driven). The rest of the miles were on the highway at an average speed of 78 miles per hour (35 percent), in the suburbs (11 percent), and in the city (8 percent).

In addition the average 2007 Chevrolet TrailBlazer 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 SUV 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
hills light light 10 25 15 50 65 22.5
  flat light none 5 5 81 10 75 15.0
  flat lead light 0 0 10 90 60 16.4
  mtns light none 0 5 0 95 55 20.1
  flat light none 0 5 0 95 60 19.5
2007 4dr SUV 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
hills light none 3 8 21 68 63 18.7  
  Averages hills light none 3 8 21 68 63 18.7
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, 2007 Chevrolet TrailBlazer fuel economy has been averaging 18.7 MPG (miles per gallon).

The 2007 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 68 percent of the miles driven). The rest of the miles were in the suburbs (21 percent), in the city (8 percent), and in heavy traffic (3 percent).

In addition the average 2007 Chevrolet TrailBlazer 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
2006 4dr SUV, ext. 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light hvy 0 0 80 20 65 17.4
  flat lead none 1 3 6 90 75 15.2
  flat light none 0 10 0 90 70 15.0
  flat light none 0 10 0 90 70 15.0
  flat light light 0 50 0 50 60 16.1
2006 4dr SUV, ext. 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light light 0 15 17 68 68 15.7  
  Averages flat light light 0 15 17 68 68 15.7
With the 395-horsepower 6.0L V8 engine, 4-speed automatic transmission, and all-wheel drive, the 2006 Chevrolet TrailBlazer has been averaging 15.7 MPG (miles per gallon).

The 2006 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 68 percent of the miles driven). The rest of the miles were in the suburbs (17 percent), in the city (15 percent), and in heavy traffic (0 percent).

In addition the average 2006 Chevrolet TrailBlazer 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 SUV 395-horsepower 6.0L V8
4-speed automatic RWD
flat lead hvy 0 0 95 5 80 12.9
  flat med light 50 30 10 10 70 15.0
2006 4dr SUV 395-horsepower 6.0L V8
4-speed automatic RWD
flat lead hvy 25 15 53 8 75 14.0  
  Averages flat lead hvy 25 15 53 8 75 14.0
With the 395-horsepower 6.0L V8 engine, 4-speed automatic transmission, and rear-wheel drive, 2006 Chevrolet TrailBlazer gas mileage has been averaging 14.0 MPG (miles per gallon).

The 2006 Chevrolet TrailBlazers in this analysis were driven mostly in the suburbs (about 53 percent of the miles driven). The rest of the miles were in heavy traffic (25 percent), in the city (15 percent), and on the highway at an average speed of 75 miles per hour (8 percent).

In addition the average 2006 Chevrolet TrailBlazer in this analysis was driven on flat terrain with a lead 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 4dr SUV 395-horsepower 6.0L V8
4-speed automatic AWD
flat light none 0 0 0 100 80 17.3
  flat med light 19 38 6 38 75 14.7
  flat med none 20 30 20 30 60 14.0
2006 4dr SUV 395-horsepower 6.0L V8
4-speed automatic AWD
flat med none 13 23 9 56 72 15.3  
  Averages flat med none 13 23 9 56 72 15.3
With the 395-horsepower 6.0L V8 engine, 4-speed automatic transmission, and all-wheel drive, 2006 Chevrolet TrailBlazer fuel economy has been averaging 15.3 MPG (miles per gallon).

The 2006 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 72 miles per hour (about 56 percent of the miles driven). The rest of the miles were in the city (23 percent), in heavy traffic (13 percent), and in the suburbs (9 percent).

In addition the average 2006 Chevrolet TrailBlazer 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
2006 4dr SUV 291-horsepower 4.2L I6
4-speed automatic RWD
flat light none 10 10 15 65 60 19.5
2006 4dr SUV 291-horsepower 4.2L I6
4-speed automatic RWD
flat light none 10 10 15 65 60 19.5  
  Averages flat light none 10 10 15 65 60 19.5
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and rear-wheel drive, the 2006 Chevrolet TrailBlazer has been averaging 19.5 MPG (miles per gallon).

The 2006 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 65 percent of the miles driven). The rest of the miles were in the suburbs (15 percent), in heavy traffic (10 percent), and in the city (10 percent).

In addition the average 2006 Chevrolet TrailBlazer 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
2006 4dr SUV 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med light 10 10 5 75 55 21.0
  flat med light 20 30 0 50 60 17.5
  flat med light 20 22 25 33 80 17.0
2006 4dr SUV 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med light 17 21 10 53 65 18.5  
  Averages flat med light 17 21 10 53 65 18.5
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, 2006 Chevrolet TrailBlazer gas mileage has been averaging 18.5 MPG (miles per gallon).

The 2006 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the city (21 percent), in heavy traffic (17 percent), and in the suburbs (10 percent).

In addition the average 2006 Chevrolet TrailBlazer 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
2005 4dr SUV, ext. 300-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills med none 5 10 25 60 70 20.0
  flat light none 20 40 10 30 75 16.0
2005 4dr SUV, ext. 300-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills med none 13 25 18 45 73 18.0  
  Averages hills med none 13 25 18 45 73 18.0
With the 300-horsepower 5.3L V8 engine, 4-speed automatic transmission, and four-wheel drive w/low range, 2005 Chevrolet TrailBlazer fuel economy has been averaging 18.0 MPG (miles per gallon).

The 2005 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 45 percent of the miles driven). The rest of the miles were in the city (25 percent), in the suburbs (18 percent), and in heavy traffic (13 percent).

In addition the average 2005 Chevrolet TrailBlazer in this analysis was driven on hilly 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
2005 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light light 10 0 80 10 65 17.7
  flat light light 10 0 80 10 65 18.5
  flat light light 10 0 80 10 65 16.9
  flat light light 10 0 80 10 65 17.6
  flat light light 10 0 80 10 65 26.3
2005 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light light 10 0 80 10 65 19.4  
  Averages flat light light 10 0 80 10 65 19.4
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, the 2005 Chevrolet TrailBlazer has been averaging 19.4 MPG (miles per gallon).

The 2005 Chevrolet TrailBlazers in this analysis were driven mostly in the suburbs (about 80 percent of the miles driven). The rest of the miles were on the highway at an average speed of 65 miles per hour (10 percent), in heavy traffic (10 percent), and in the city (0 percent).

In addition the average 2005 Chevrolet TrailBlazer 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
2004 4dr SUV 275-horsepower 4.2L I6
4-speed automatic RWD
flat med hvy 40 0 0 60 65 17.2
2004 4dr SUV 275-horsepower 4.2L I6
4-speed automatic RWD
flat med hvy 40 0 0 60 65 17.2  
  Averages flat med hvy 40 0 0 60 65 17.2
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and rear-wheel drive, 2004 Chevrolet TrailBlazer gas mileage has been averaging 17.2 MPG (miles per gallon).

The 2004 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 60 percent of the miles driven). The rest of the miles were in heavy traffic (40 percent), in the suburbs (0 percent), and in the city (0 percent).

In addition the average 2004 Chevrolet TrailBlazer 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
2004 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med none 0 90 0 10 70 11.9
  mtns med light 7 7 3 83 68 22.0
2004 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
hills med light 4 49 2 47 69 17.0  
  Averages hills med light 4 49 2 47 69 17.0
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, 2004 Chevrolet TrailBlazer fuel economy has been averaging 17.0 MPG (miles per gallon).

The 2004 Chevrolet TrailBlazers in this analysis were driven mostly in the city (about 49 percent of the miles driven). The rest of the miles were on the highway at an average speed of 69 miles per hour (47 percent), in heavy traffic (4 percent), and in the suburbs (2 percent).

In addition the average 2004 Chevrolet TrailBlazer 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
2003 4dr SUV, ext. 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light none 10 30 10 50 60 16.0
2003 4dr SUV, ext. 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light none 10 30 10 50 60 16.0  
  Averages flat light none 10 30 10 50 60 16.0
With the 395-horsepower 6.0L V8 engine, 4-speed automatic transmission, and all-wheel drive, the 2003 Chevrolet TrailBlazer has been averaging 16.0 MPG (miles per gallon).

The 2003 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (30 percent), in heavy traffic (10 percent), and in the suburbs (10 percent).

In addition the average 2003 Chevrolet TrailBlazer 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
2003 4dr SUV 275-horsepower 4.2L I6
4-speed automatic RWD
flat v.lt light 5 20 30 45 60 17.8
  flat v.lt light 5 20 30 45 60 19.8
2003 4dr SUV 275-horsepower 4.2L I6
4-speed automatic RWD
flat v.lt light 5 20 30 45 60 18.8  
  Averages flat v.lt light 5 20 30 45 60 18.8
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and rear-wheel drive, 2003 Chevrolet TrailBlazer gas mileage has been averaging 18.8 MPG (miles per gallon).

The 2003 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 45 percent of the miles driven). The rest of the miles were in the suburbs (30 percent), in the city (20 percent), and in heavy traffic (5 percent).

In addition the average 2003 Chevrolet TrailBlazer in this analysis was driven on flat terrain with an ultra-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
2003 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light none 5 20 40 35 60 16.0
  flat light none 0 0 10 90 65 22.5
  flat med none 5 70 5 20 60 13.0
  flat light none 10 20 10 60 65 22.0
  flat light none 0 5 35 60 60 20.6
2003 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light none 4 23 20 53 62 18.8  
  Averages flat light none 4 23 20 53 62 18.8
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, 2003 Chevrolet TrailBlazer fuel economy has been averaging 18.8 MPG (miles per gallon).

The 2003 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 62 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the city (23 percent), in the suburbs (20 percent), and in heavy traffic (4 percent).

In addition the average 2003 Chevrolet TrailBlazer 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
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic RWD
flat med none 0 25 65 10 65 16.5
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic RWD
flat med none 0 25 65 10 65 16.5  
  Averages flat med none 0 25 65 10 65 16.5
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and rear-wheel drive, the 2002 Chevrolet TrailBlazer has been averaging 16.5 MPG (miles per gallon).

The 2002 Chevrolet TrailBlazers in this analysis were driven mostly in the suburbs (about 65 percent of the miles driven). The rest of the miles were in the city (25 percent), on the highway at an average speed of 65 miles per hour (10 percent), and in heavy traffic (0 percent).

In addition the average 2002 Chevrolet TrailBlazer 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
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light none 0 0 5 95 60 20.1
  flat light none 0 0 25 75 60 18.5
  flat med hvy 10 15 40 35 60 18.0
  flat med none 0 0 65 35 60 16.8
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med none 3 4 34 60 60 18.4  
  Averages flat med none 3 4 34 60 60 18.4
With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, 2002 Chevrolet TrailBlazer gas mileage has been averaging 18.4 MPG (miles per gallon).

The 2002 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 60 percent of the miles driven). The rest of the miles were in the suburbs (34 percent), in the city (4 percent), and in heavy traffic (3 percent).

In addition the average 2002 Chevrolet TrailBlazer 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 Chevrolet TrailBlazer MPG

Chevrolet TrailBlazer Fuel Economy: Cons
Year Body/Powertrain Comment
2007 4dr SUV 285-hp 4.2L I6 4-sp automatic 4WD w/low range Avg. 15.5 in mostly in town driving. 21.0 best on long trip with light load.
2004 4dr SUV, ext. 300-hp 5.3L V8 4-sp automatic 4WD w/low range 16 mpg nothing to write home about, but acceptable for a vehicle of this size, weight and capability.
2002 4dr SUV 285-hp 4.2L I6 4-sp automatic 4WD w/low range I recently purchased slightly larger tires and my fuel economy is suffering by 10% compared to stock tires, but I was anticipating this anyway.