1990 Pontiac BonnevilleFuel Economy & MPG Ratings

Gasoline Large CarsFront-Wheel Drive
1990 Pontiac Bonneville

Photo: IFCAR. Public domain. via Wikimedia Commons

City
16
MPG
Highway
25
MPG
Combined
19
MPG

Real-World MPG

Based on 2 owner reports via EPA fueleconomy.gov

22.9MPG average+20.3% vs EPA label
EPA combined: 19 MPG · Owner reported avg: 22.9 MPG

Range: 22–24 MPG

Driving mix: City 51% / Highway 49%

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 22.9 real world MPG based on 2 owner reports. EPA combined rating is 19 MPG.

Trim Comparison

Automatic 4-spd
Regular
City
16
Hwy
25
Comb
19
Fuel cost: $3,550/yr
Annual Fuel Cost
$3,550

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-5,750

vs. average new vehicle

EPA Fuel Economy Score: -1/10
GHG Score: -1/10

Environment

CO₂ Tailpipe Emissions
468 g/mile
Annual Petroleum Consumption
15.7 barrels

Specifications

Engine
3.8L 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
Induction Type
Port Fuel Injection
Fuel Type
Regular Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$3,545/yr
California
$5.957/gal$4,703/yr
Texas
$3.888/gal$3,069/yr
Florida
$4.136/gal$3,265/yr
New York
$4.522/gal$3,570/yr
Ohio
$4.510/gal$3,561/yr
Washington
$5.591/gal$4,414/yr
Colorado
$4.618/gal$3,646/yr
Minnesota
$4.344/gal$3,429/yr
Massachusetts
$4.448/gal$3,512/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 19 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Pontiac Bonneville MPG History
See how this model's fuel economy changed by year

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