2025 Audi S7 Specs: MPG, Gas Mileage, Engine Size & Dimensions

2015–2025 model years10 variantsUp to 22 MPG combined

2025 Audi S7 Specs at a Glance

The 2025 Audi S7 gets 22 mpg combined on the 2.9L All-Wheel Drive configuration, weighs 4,605 lbs, measures 195.7 in long. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
22 mpg (19 city / 27 hwy)
Best configuration: 2.9L · All-Wheel Drive · Automatic (S8)
Engine
2.9L 6-cyl
2.9L · All-Wheel Drive · Automatic (S8)
Curb weight
4,605 lbs
Heaviest recorded configuration: S7 4DR SPORTBACK
Length
195.7 in · 75.2 in wide · 55.9 in tall
Wheelbase
115.4 in

2025 Audi S7 trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S8), 6 cyl, 2.9 L6 · 2.9LAutomatic (S8)All-Wheel Drive192722

Detailed Specifications

Audi S7 Generations

Grouped by year ranges where the engine lineup, drivetrain options, and EPA class stay consistent — a derived approximation of the factory generations, not a manufacturer-published list.

YearsVariantsEnginesDriveClassBest MPG
2020–202562.9L4-Wheel Drive, All-Wheel DriveMidsize Cars22
2015–201844.0LAll-Wheel DriveMidsize Cars21

Audi S7 — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2025Auto (S8), 6 cyl, 2.9 L6 · 2.9LAutomatic (S8)All-Wheel Drive192722Premium Gasoline
2024Auto (S8), 6 cyl, 2.9 L6 · 2.9LAutomatic (S8)All-Wheel Drive192622Premium Gasoline
2023Auto (S8), 6 cyl, 2.9 L6 · 2.9LAutomatic (S8)All-Wheel Drive192622Premium Gasoline
2022Auto (S8), 6 cyl, 2.9 L6 · 2.9LAutomatic (S8)4-Wheel Drive182822Premium Gasoline
2021Auto (S8), 6 cyl, 2.9 L6 · 2.9LAutomatic (S8)All-Wheel Drive182822Premium Gasoline
2020Auto (S8), 6 cyl, 2.9 L6 · 2.9LAutomatic (S8)All-Wheel Drive182822Premium Gasoline
2018Auto (AM-S7), 8 cyl, 4.0 L8 · 4.0LAutomatic (AM-S7)All-Wheel Drive162418Premium Gasoline
2017Auto (AM-S7), 8 cyl, 4.0 L8 · 4.0LAutomatic (AM-S7)All-Wheel Drive172721Premium Gasoline
2016Auto (AM-S7), 8 cyl, 4.0 L8 · 4.0LAutomatic (AM-S7)All-Wheel Drive172721Premium Gasoline
2015Auto (AM-S7), 8 cyl, 4.0 L8 · 4.0LAutomatic (AM-S7)All-Wheel Drive172720Premium Gasoline

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Audi S7 — Frequently Asked Questions

What is the fuel economy of the 2025 Audi S7?

The Audi S7 is EPA-rated at up to 22 MPG combined (19 city / 27 highway).

What engine does the 2025 Audi S7 have?

The Audi S7 uses a 2.9L 6-cylinder engine paired with an Automatic transmission.

What years of the Audi S7 are covered here?

This page documents 10 verified Audi S7 configurations across model years 2015–2025.

Which model year of the Audi S7 is the most fuel efficient?

The 2025 Audi S7 holds the highest combined rating at 22 MPG; the 2018 sits lowest at 18 MPG, a difference of 4 MPG (about 22%) across the 10 rated years on file.

How many engine options does the Audi S7 have?

The records list 2 distinct displacements for the Audi S7 — 2.9L, 4L — which is why combined MPG varies between trims of the same year.

Is the 2025 Audi S7 front-wheel drive or all-wheel drive?

The Audi S7 appears in 2 drivetrain layouts across the years documented here — All-Wheel Drive, 4-Wheel Drive — with the latest 2025 record on All-Wheel Drive.