1985 Cadillac Fleetwood Brougham (RWD)Fuel Economy & MPG Ratings

Diesel Large CarsRear-Wheel Drive

City

MPG

Highway

MPG

Combined

MPG

Trim Comparison

Automatic 4-spd

Diesel Diesel

City

Hwy

Comb

Fuel cost: $4,050/yr

Automatic 4-spd

Regular

City

Hwy

Comb

Fuel cost: $3,950/yr

Trim	Engine	City	Hwy	Combined	Fuel Cost/yr
Automatic 4-spd	Diesel Diesel	18	26	21	$4,050
Automatic 4-spd	Regular	15	20	17	$3,950

Annual Fuel Cost

$4,050

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

5-Year Fuel Savings

$-8,250

vs. average new vehicle

EPA Fuel Economy Score: -1/10

GHG Score: -1/10

Environment

CO₂ Tailpipe Emissions: 485 g/mile
Annual Petroleum Consumption: 17.0 barrels

Specifications

Engine: 5.7L 8-cyl
Transmission: 4-speed Automatic
Drivetrain: RWD
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: 5.7L, 8-cylinder
Induction Type: (350 V8)
Fuel Type: Diesel

Annual Fuel Cost by State

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

National AvgEPA default

$4.490/gal$3,207/yr

California

$5.957/gal$4,255/yr

Texas

$3.888/gal$2,777/yr

Florida

$4.136/gal$2,954/yr

New York

$4.522/gal$3,230/yr

Ohio

$4.510/gal$3,221/yr

Washington

$5.591/gal$3,994/yr

Colorado

$4.618/gal$3,299/yr

Minnesota

$4.344/gal$3,103/yr

Massachusetts

$4.448/gal$3,177/yr

State	Gas Price	Annual Cost	vs. National Avg
National AvgEPA default	$4.490/gal	$3,207/yr	—
California	$5.957/gal	$4,255/yrHIGHEST	+$1,048
Texas	$3.888/gal	$2,777/yrLOWEST	$-430
Florida	$4.136/gal	$2,954/yr	$-253
New York	$4.522/gal	$3,230/yr	+$23
Ohio	$4.510/gal	$3,221/yr	+$14
Washington	$5.591/gal	$3,994/yr	+$787
Colorado	$4.618/gal	$3,299/yr	+$92
Minnesota	$4.344/gal	$3,103/yr	$-104
Massachusetts	$4.448/gal	$3,177/yr	$-30