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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Pontiac Bonneville
Pontiac Bonneville 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 |
| 2005 | 4dr Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
flat | med | light | 5 | 5 | 10 | 80 | 70 | 27.4 |
| flat | med | none | 3 | 8 | 12 | 77 | 65 | 24.1 | ||
| flat | med | light | 5 | 5 | 10 | 80 | 65 | 27.1 | ||
| 2005 | 4dr Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
flat | med | none | 4 | 6 | 11 | 79 | 67 | 26.2 |
| Averages | flat | med | none | 4 | 6 | 11 | 79 | 67 | 26.2 | |
| With the 205-horsepower 3.8L V6 engine, 4-speed automatic transmission, and front-wheel drive, 2005 Pontiac Bonneville fuel economy has been averaging
26.2 MPG (miles per gallon). The 2005 Pontiac Bonnevilles in this analysis were driven mostly on the highway at an average speed of 67 miles per hour (about 79 percent of the miles driven). The rest of the miles were in the suburbs (11 percent), in the city (6 percent), and in heavy traffic (4 percent). In addition the average 2005 Pontiac Bonneville in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| 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 Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
flat | light | light | 10 | 30 | 40 | 20 | 75 | 27.3 |
| flat | light | none | 0 | 2 | 5 | 93 | 65 | 29.0 | ||
| 2004 | 4dr Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
flat | light | light | 5 | 16 | 23 | 57 | 70 | 28.2 |
| Averages | flat | light | light | 5 | 16 | 23 | 57 | 70 | 28.2 | |
| With the 205-horsepower 3.8L V6 engine, 4-speed automatic transmission, and front-wheel drive, the 2004 Pontiac Bonneville has been averaging
28.2 MPG (miles per gallon). The 2004 Pontiac Bonnevilles in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 57 percent of the miles driven). The rest of the miles were in the suburbs (23 percent), in the city (16 percent), and in heavy traffic (5 percent). In addition the average 2004 Pontiac Bonneville in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
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| 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 Sedan supercharged 240hp 3.8L V6 4-speed automatic FWD |
flat | med | light | 10 | 20 | 60 | 10 | 60 | 22.0 |
| flat | light | none | 10 | 20 | 60 | 10 | 60 | 22.0 | ||
| 2003 | 4dr Sedan supercharged 240hp 3.8L V6 4-speed automatic FWD |
flat | med | light | 10 | 20 | 60 | 10 | 60 | 22.0 |
| Averages | flat | med | light | 10 | 20 | 60 | 10 | 60 | 22.0 | |
| With the supercharged 240hp 3.8L V6 engine, 4-speed automatic transmission, and front-wheel drive, 2003 Pontiac Bonneville gas mileage has been averaging
22.0 MPG (miles per gallon). The 2003 Pontiac Bonnevilles in this analysis were driven mostly in the suburbs (about 60 percent of the miles driven). The rest of the miles were in the city (20 percent), in heavy traffic (10 percent), and on the highway at an average speed of 60 miles per hour (10 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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| 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 Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
hills | med | light | 5 | 0 | 0 | 95 | 80 | 30.0 |
| 2002 | 4dr Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
hills | med | light | 5 | 0 | 0 | 95 | 80 | 30.0 |
| Averages | hills | med | light | 5 | 0 | 0 | 95 | 80 | 30.0 | |
| With the 205-horsepower 3.8L V6 engine, 4-speed automatic transmission, and front-wheel drive, 2002 Pontiac Bonneville fuel economy has been averaging
30.0 MPG (miles per gallon). The 2002 Pontiac Bonnevilles in this analysis were driven mostly on the highway at an average speed of 80 miles per hour (about 95 percent of the miles driven). The rest of the miles were in heavy traffic (5 percent), in the suburbs (0 percent), and in the city (0 percent). In addition the average 2002 Pontiac Bonneville in this analysis was driven on hilly 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 Pontiac Bonneville MPG
| Pontiac Bonneville Fuel Economy: Pros | ||
| Year | Body/Powertrain | Comment |
| 2003 | 4dr Sedan supercharged 240hp 3.8L V6 4-speed automatic FWD |
supercharged motor and gets 30 mpg on highway. |
| Pontiac Bonneville Fuel Economy: Cons | ||
| Year | Body/Powertrain | Comment |
| 2005 | 4dr Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
Not good in city |
| 2001 | 4dr Sedan 205-horsepower 3.8L V6 4-speed automatic FWD |
Awful, awful gas mileage. I drove this car for three years in England and the cost of operating this car was a NIGHTMARE. |
