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2025 Audi S6
Audi S6 — the model line, not this exact trim. Photo: Alexander-93 · CC BY-SA 4.0 · Wikimedia Commons

2025 Audi S6

Audi · All-Wheel Drive · 2.9 L 6-cyl

See it on fueleconomy.gov
Model year2025
Combined MPG22
City MPG19
Highway MPG27
Annual fuel cost$3,750

Against the 105 fuel-efficient midsize cars

Combined MPG 22 MPGbest 55 · avg 31
Annual fuel cost $3,750best $1,200 · avg $2,715

Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.

Summary

2025 Audi S6 by Audi. The figures below are from US EPA fueleconomy.gov, with the page each one came from.

Details

Model year
2025fueleconomy.gov · 3 Oct 2026

Efficiency

Combined MPG
22fueleconomy.gov · 3 Oct 2026
City MPG
19fueleconomy.gov · 3 Oct 2026
Highway MPG
27fueleconomy.gov · 3 Oct 2026

Running cost

Annual fuel cost
$3,750fueleconomy.gov · 3 Oct 2026
CO₂ (tailpipe)
408 g/mifueleconomy.gov · 3 Oct 2026

Car

Body
Carfueleconomy.gov · 3 Oct 2026
EPA class
Midsize Carsfueleconomy.gov · 3 Oct 2026
Drive
All-Wheel Drivefueleconomy.gov · 3 Oct 2026

Powertrain

Engine
2.9 L 6-cylfueleconomy.gov · 3 Oct 2026
Transmission
Automatic (S8)fueleconomy.gov · 3 Oct 2026
Fuel
Gasolinefueleconomy.gov · 3 Oct 2026

More audi cars

See the list
2027 Audi A3 quattro 2027 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG28Annual fuel cost$2,950 2027 Audi A5 quattro 2027 · All-Wheel Drive · 2.0 L 4-cyl turbo Combined MPG26Annual fuel cost$3,150 2027 Audi A6 e-tron 2027 · Rear-Wheel Drive · 225 and 270 kW Asynchron 3-Phase Combined MPGe111EPA range348 miAnnual fuel cost$700 2027 Audi A6 e-tron quattro 2027 · All-Wheel Drive · 225 and 270 kW Asynchron 3-Phase Combined MPGe105EPA range327 miAnnual fuel cost$700 2027 Audi A6 e-tron quattro ultra 2027 · All-Wheel Drive · 225 and 270 kW Asynchron 3-Phase Combined MPGe117EPA range360 miAnnual fuel cost$650 2027 Audi A6 e-tron ultra 2027 · Rear-Wheel Drive · 225 and 270 kW Asynchron 3-Phase Combined MPGe127EPA range395 miAnnual fuel cost$600

Where it ranks on CarCody

Sources