2004 Pontiac BonnevilleFuel Economy & MPG Ratings
Gasoline Large CarsFront-Wheel Drive
City
18
MPG
Highway
27
MPG
Combined
21
MPG
Real-World MPG
Based on 3 owner reports via EPA fueleconomy.gov
23.9MPG average+13.6% vs EPA label
EPA combined: 21 MPG · Owner reported avg: 23.9 MPG
Range: 23–26 MPG
Driving mix: City 56% / Highway 44%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 23.9 real world MPG based on 3 owner reports. EPA combined rating is 21 MPG.
Trim Comparison
Automatic 4-spd
Regular
City
18
Hwy
27
Comb
21
Fuel cost: $3,200/yr
Automatic 4-spd
Premium
City
16
Hwy
26
Comb
20
Fuel cost: $4,100/yr
Automatic 4-spd
Regular
City
15
Hwy
22
Comb
18
Fuel cost: $3,750/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 4-spd | Regular | 18 | 27 | 21 | $3,200 |
| Automatic 4-spd | Premium | 16 | 26 | 20 | $4,100 |
| Automatic 4-spd | Regular | 15 | 22 | 18 | $3,750 |
Annual Fuel Cost
$3,200
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-4,000
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 423 g/mile
- Annual Petroleum Consumption
- 14.2 barrels
Specifications
- Engine
- 4.6L 6-cyl
- Transmission
- 4-speed Automatic
- Drivetrain
- FWD
- Body Style
- Sedan
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 3.8L, 6-cylinder
- Fuel Type
- Regular Gasoline
Related
Pontiac Bonneville MPG History
See how this model's fuel economy changed by year