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Pontiac Bonneville MPG


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Model Year Body/Powertrain MPG  
2003 2003 4dr Sedan supercharged 240hp 3.8L V6 4-sp automatic FWD 22
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With the 275-horsepower 4.6L V8 engine, 4-speed automatic transmission, and front-wheel drive, the 2003 Pontiac Bonneville has been averaging 22 MPG (miles per gallon).

The 2003 Pontiac Bonnevilles in this analysis were driven mostly in the city (about 20 percent of the miles driven). The rest of the miles were in heavy traffic (10 percent), on the highway at an average speed of 60 miles per hour (10 percent), and in the suburbs (0 percent).

In addition, the average 2003 Pontiac Bonneville in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.

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What Our Members Are Saying about the Real Gas Mileage of the 2003 Pontiac Bonneville

2003 Pontiac Bonneville Real Gas Mileage: Pros
2003 4dr Sedan supercharged 240hp 3.8L V6
4-speed automatic FWD
supercharged motor and gets 30 mpg on highway. see full Pontiac Bonneville review

2003 Pontiac Bonneville 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 Pontiac Bonneville's real-world MPG based on how and where you drive a car.

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