2004 Chevrolet Express Passenger (Bi-fuel)Fuel Economy & MPG Ratings

Gasoline Vans, Passenger TypeRear-Wheel Drive
City
11
MPG
Highway
15
MPG
Combined
12
MPG

Real-World MPG

Based on 3 owner reports via EPA fueleconomy.gov

14.3MPG average+19.3% vs EPA label
EPA combined: 12 MPG · Owner reported avg: 14.3 MPG

Range: 13–17 MPG

Driving mix: City 50% / Highway 50%

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 14.3 real world MPG based on 3 owner reports. EPA combined rating is 12 MPG.

Trim Comparison

Automatic 4-spd
Gasoline or natural gas Bifuel (CNG)
City
11
Hwy
15
Comb
12
Fuel cost: $5,600/yr
Annual Fuel Cost
$5,600

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

5-Year Fuel Savings
$-16,000

vs. average new vehicle

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

Environment

CO₂ Tailpipe Emissions
741 g/mile
Annual Petroleum Consumption
24.8 barrels

Specifications

Engine
6L 8-cyl
Transmission
4-speed Automatic
Drivetrain
RWD
Body Style
Minivan/Van
GVWR
Class 2 (6,001–8,500 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
6L, 8-cylinder
Fuel Type
Regular Gasoline
Alt Fuel
Natural Gas

Annual Fuel Cost by State

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

National AvgEPA default
$4.490/gal$5,613/yr
California
$5.957/gal$7,446/yr
Texas
$3.888/gal$4,860/yr
Florida
$4.136/gal$5,170/yr
New York
$4.522/gal$5,653/yr
Ohio
$4.510/gal$5,638/yr
Washington
$5.591/gal$6,989/yr
Colorado
$4.618/gal$5,773/yr
Minnesota
$4.344/gal$5,430/yr
Massachusetts
$4.448/gal$5,560/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 12 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Chevrolet Express Passenger (Bi-fuel) MPG History
See how this model's fuel economy changed by year

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