2000 Buick LeSabreFuel Economy & MPG Ratings

Gasoline Large CarsFront-Wheel Drive
City
17
MPG
Highway
27
MPG
Combined
20
MPG

Real-World MPG

Based on 16 owner reports via EPA fueleconomy.gov

24.5MPG average+22.3% vs EPA label
EPA combined: 20 MPG · Owner reported avg: 24.5 MPG

Range: 17–34 MPG

Driving mix: City 46% / Highway 54%

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 24.5 real world MPG based on 16 owner reports. EPA combined rating is 20 MPG.

Trim Comparison

Automatic 4-spd
Regular
City
17
Hwy
27
Comb
20
Fuel cost: $3,400/yr
Annual Fuel Cost
$3,400

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

5-Year Fuel Savings
$-5,000

vs. average new vehicle

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

Environment

CO₂ Tailpipe Emissions
444 g/mile
Annual Petroleum Consumption
14.9 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
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$3,368/yr
California
$5.957/gal$4,468/yr
Texas
$3.888/gal$2,916/yr
Florida
$4.136/gal$3,102/yr
New York
$4.522/gal$3,392/yr
Ohio
$4.510/gal$3,383/yr
Washington
$5.591/gal$4,193/yr
Colorado
$4.618/gal$3,464/yr
Minnesota
$4.344/gal$3,258/yr
Massachusetts
$4.448/gal$3,336/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 20 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Buick LeSabre MPG History
See how this model's fuel economy changed by year

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