2025 Audi S6Fuel Economy & MPG Ratings

Hybrid Midsize CarsAll-Wheel Drive
2025 Audi S6

Photo: OWS Photography. CC BY 4.0. via Wikimedia Commons

City
19
MPG
Highway
27
MPG
Combined
22
MPG

Trim Comparison

Automatic (S8)
Premium Hybrid
City
19
Hwy
27
Comb
22
Fuel cost: $3,700/yr
Annual Fuel Cost
$3,700

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

5-Year Fuel Savings
$-6,500

vs. average new vehicle

EPA Fuel Economy Score: 5/10
GHG Score: 5/10

Environment

CO₂ Tailpipe Emissions
408 g/mile
Annual Petroleum Consumption
13.5 barrels

Specifications

Engine
2.9L 6-cyl
Transmission
8-speed Automatic
Drivetrain
AWD
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
2.9L, 6-cylinder
Induction Type
SIDI; Mild Hybrid
Efficiency Tech
Auto Start-Stop
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

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

National AvgEPA default
$4.490/gal$3,061/yr
California
$5.957/gal$4,062/yr
Texas
$3.888/gal$2,651/yr
Florida
$4.136/gal$2,820/yr
New York
$4.522/gal$3,083/yr
Ohio
$4.510/gal$3,075/yr
Washington
$5.591/gal$3,812/yr
Colorado
$4.618/gal$3,149/yr
Minnesota
$4.344/gal$2,962/yr
Massachusetts
$4.448/gal$3,033/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 22 MPG combined. Regular gasoline prices. Actual costs vary.

Recall History1

Source: NHTSA

Owner-Reported Problems1 complaints

Source: NHTSA

NHTSA has received 1 owner complaints for the 2025 Audi S6. Top reported issues include electrical system. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Electrical System
1

2025 Audi S6 problems by category: Electrical System: 1 complaints.

Sample Owner Complaints

Electrical SystemFiled: 10/31/2025ODI#11696734
Electrical system failure - risk of fire warning. Car would not engage in gear. 2025, with less than 1000 miles

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

Audi S6 MPG History
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