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Pontiac G8 Fuel Economy (km/L)

km/L Number of Vehicles
9 kilometers per liter 2 vehicles
10 kilometers per liter 0 vehicles
11 kilometers per liter 0 vehicles
12 kilometers per liter 0 vehicles
13 kilometers per liter 0 vehicles
14 kilometers per liter 0 vehicles
15 kilometers per liter 0 vehicles
16 kilometers per liter 0 vehicles
17 kilometers per liter 0 vehicles
18 kilometers per liter 0 vehicles
19 kilometers per liter 0 vehicles
20 kilometers per liter 0 vehicles
21 kilometers per liter 0 vehicles
22 kilometers per liter 0 vehicles
23 kilometers per liter 0 vehicles
24 kilometers per liter 0 vehicles
25 kilometers per liter 0 vehicles
26 kilometers per liter 1 vehicles
27 kilometers per liter 0 vehicles
28 kilometers per liter 0 vehicles
29 kilometers per liter 0 vehicles
30 kilometers per liter 0 vehicles
31 kilometers per liter 0 vehicles
32 kilometers per liter 0 vehicles
33 kilometers per liter 8 vehicles
34 kilometers per liter 3 vehicles
35 kilometers per liter 1 vehicles
36 kilometers per liter 7 vehicles
37 kilometers per liter 0 vehicles
38 kilometers per liter 9 vehicles
39 kilometers per liter 3 vehicles
40 kilometers per liter 6 vehicles
41 kilometers per liter 14 vehicles
42 kilometers per liter 10 vehicles
43 kilometers per liter 3 vehicles
44 kilometers per liter 5 vehicles
45 kilometers per liter 23 vehicles
46 kilometers per liter 6 vehicles
47 kilometers per liter 7 vehicles
48 kilometers per liter 3 vehicles
49 kilometers per liter 3 vehicles
50 kilometers per liter 2 vehicles
51 kilometers per liter 1 vehicles
52 kilometers per liter 4 vehicles
53 kilometers per liter 1 vehicles
54 kilometers per liter 2 vehicles
55 kilometers per liter 1 vehicles
56 kilometers per liter 1 vehicles
57 kilometers per liter 2 vehicles
58 kilometers per liter 2 vehicles
59 kilometers per liter 0 vehicles
60 kilometers per liter 1 vehicles
61 kilometers per liter 2 vehicles
62 kilometers per liter 0 vehicles
63 kilometers per liter 0 vehicles
64 kilometers per liter 0 vehicles
65 kilometers per liter 0 vehicles
66 kilometers per liter 0 vehicles
67 kilometers per liter 0 vehicles
68 kilometers per liter 1 vehicles
69 kilometers per liter 0 vehicles
70 kilometers per liter 0 vehicles
71 kilometers per liter 0 vehicles
72 kilometers per liter 0 vehicles
73 kilometers per liter 1 vehicles
Model Year Body/Powertrain km/L  
2009 2009 4dr Sedan 415-hp 6.2L V8 6-sp manual RWD 43.5
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With the 309 kilowatts 6.2L V8 engine, 6-speed manual transmission, and rear-wheel drive, the 2009 Pontiac G8 has been averaging 43.5 L/100km (liters per 100 kilometers).

The 2009 Pontiac G8s in this analysis were driven mostly on the highway at an average speed of 75 kilometers per hour (about 61 percent of the kilometers driven). The rest of the kilometers were in the city (14 percent), in heavy traffic (9.5 percent), and in the suburbs (0 percent).

In addition, the average 2009 Pontiac G8 in this analysis was driven on hilly terrain with a lead foot and the AC on only some of the time.
2009 2009 4dr Sedan 361-hp 6.0L V8 6-sp shiftable automatic RWD 43.16
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2009 2009 4dr Sedan 256-hp 3.6L V6 5-sp shiftable automatic RWD 49.3
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What Our Members Are Saying about the Real Gas Mileage of the 2009 Pontiac G8

2009 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
 

2009 Pontiac G8 Gas Mileage (km/L)

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 Pontiac G8's real-world km/L based on how and where you drive a car.