2018 Audi A3Fuel Economy & MPG Ratings

Gasoline Subcompact CarsFront-Wheel Drive
City
26
MPG
Highway
35
MPG
Combined
29
MPG

Trim Comparison

Automatic (AM-S7)
Regular
City
26
Hwy
35
Comb
29
Fuel cost: $2,350/yr
Annual Fuel Cost
$2,350

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

5-Year Fuel Savings
$250

vs. average new vehicle

EPA Fuel Economy Score: 6/10
GHG Score: 6/10

Environment

CO₂ Tailpipe Emissions
303 g/mile
Annual Petroleum Consumption
10.3 barrels

Specifications

Engine
2L 4-cyl
Transmission
Automatic
Drivetrain
FWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

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

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
2L, 4-cylinder
Induction Type
Direct 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$2,322/yr
California
$5.957/gal$3,081/yr
Texas
$3.888/gal$2,011/yr
Florida
$4.136/gal$2,139/yr
New York
$4.522/gal$2,339/yr
Ohio
$4.510/gal$2,333/yr
Washington
$5.591/gal$2,892/yr
Colorado
$4.618/gal$2,389/yr
Minnesota
$4.344/gal$2,247/yr
Massachusetts
$4.448/gal$2,301/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 29 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Audi A3 MPG History
See how this model's fuel economy changed by year

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