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Lexus GX vs. Pontiac G8 Fuel Economy (g/100m)

Chart is based on 26 fuel economy reports for the Lexus GX and 201 fuel economy reports for the Pontiac G8.

Lexus GX g/100m

Lexus GX Lexus GX 2024 4.9 MPG Highway Percentage 85 percent Lexus GX Lexus GX 2008 5.9 MPG Highway Percentage 50 percent Lexus GX Lexus GX 2007 6.7 MPG Highway Percentage 32 percent Lexus GX Lexus GX 2006 6.2 MPG Highway Percentage 25 percent Lexus GX Lexus GX 2005 5.7 MPG Highway Percentage 53 percent Lexus GX Lexus GX 2004 6.2 MPG Highway Percentage 13 percent Lexus GX Lexus GX 2003 6.0 MPG Highway Percentage 40 percent
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 g/100m
2024 4dr SUV turbocharged 349hp 3.4L V6
10-speed shiftable automatic AWD w/low range		 flat med light 0 5 10 85 60 4.9  
2008 4dr SUV 263-horsepower 4.7L V8
5-speed automatic AWD w/low range		 flat med light 1 17 33 50 73 5.9  
2007 4dr SUV 263-horsepower 4.7L V8
5-speed automatic AWD w/low range		 flat med none 21 21 25 32 70 6.7  
2006 4dr SUV 263-horsepower 4.7L V8
5-speed automatic AWD w/low range		 hills med light 7 37 31 25 71 6.2  
2005 4dr SUV 270-horsepower 4.7L V8
5-speed automatic AWD w/low range		 hills med light 16 26 5 53 76 5.7  
2004 4dr SUV 235-horsepower 4.7L V8
5-speed automatic AWD w/low range		 flat med light 7 36 45 13 65 6.2  
2003 4dr SUV 235-horsepower 4.7L V8
5-speed automatic AWD w/low range		 flat light light 10 18 33 40 58 6.0  

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This page shows only averages. See all the Lexus GX fuel economy data.

Pontiac G8 g/100m

Pontiac G8 Pontiac G8 2009 5.6 MPG Highway Percentage 61 percent Pontiac G8 Pontiac G8 2009 5.8 MPG Highway Percentage 68 percent Pontiac G8 Pontiac G8 2009 4.9 MPG Highway Percentage 30 percent Pontiac G8 Pontiac G8 2008 6.3 MPG Highway Percentage 52 percent Pontiac G8 Pontiac G8 2008 5.3 MPG Highway Percentage 69 percent
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 g/100m
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD		 hills lead light 10 14 16 61 75 5.6  
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD		 flat light light 3 21 9 68 63 5.8  
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD		 flat med light 2 10 58 30 65 4.9  
2008 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD		 flat med none 10 21 16 52 75 6.3  
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD		 flat med none 0 0 31 69 60 5.3  

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This page shows only averages. See all the Pontiac G8 fuel economy data.

Lexus GX vs. Pontiac G8 Fuel Economy (g/100m)

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 Lexus GX and Pontiac G8's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all SUVs
See TrueDelta's information for all Lexus models and Pontiac models.

What Our Members Are Saying about the Real Gas Mileage of the Lexus GX

Lexus GX Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr SUV 263-horsepower 4.7L V8
5-speed automatic AWD w/low range		 The GX has a 4.7l V8, but gets similar mileage to our old V6 powered Ridgeline, about 18 mpg. Very good for a V8. see full Lexus GX review
Lexus GX Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr SUV 263-horsepower 4.7L V8
5-speed automatic AWD w/low range		 You can always wish for better gas mileage. see full Lexus GX review
2004 4dr SUV 235-horsepower 4.7L V8
5-speed automatic AWD w/low range		 average 17 mpg, mixed city and highway, requires premium fuel see full Lexus GX review
 

What Our Members Are Saying about the Real Gas Mileage of the Pontiac G8

Pontiac G8 Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed shiftable automatic RWD		 Low teens in town, and 24mpg tops on the highway make this a less than ideal economy car. see full Pontiac G8 review
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD		 The most MPGs I ever had was 25 and that was all highway driving at about 70. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD		 Not bad mileage figures given the size of the car and the beast of an engine, but this is not a car for the hybrid set. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD		 Is very low in stop-and-go traffic. Gets better with time, I understand. see full Pontiac G8 review
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD		 Average fuel economy 15 mpg in mixed driving. see full Pontiac G8 review
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD		 low 18 mpg city see full Pontiac G8 review