2025 Audi RS 5 Specs: MPG, Gas Mileage, Engine Size & Dimensions
2025 Audi RS 5 Specs at a Glance
The 2025 Audi RS 5 gets 21 mpg combined on the 2.9L All-Wheel Drive configuration, weighs 3,990 lbs, measures 188.2 in long. Figures are per configuration, not a single official number — other trims rate as low as 18 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 21 mpg (18 city / 26 hwy)
- Best configuration: 2.9L · All-Wheel Drive · Automatic (AM-S8) · other 2025 trims rate 18–21 mpg combined
- Engine
- 2.9L 6-cyl
- 2.9L · All-Wheel Drive · Automatic (AM-S8) · 2 powertrains offered
- Curb weight
- 3,990 lbs
- Heaviest recorded configuration: RS 5 SPORTBACK
- Length
- 188.2 in · 73.2 in wide · 54.3 in tall
- Wheelbase
- 111.4 in
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Curb Weight
Curb Weight for every year and trim
View details →Audi RS 5 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.
| Years | Variants | Engines | Drive | Class | Best MPG |
|---|---|---|---|---|---|
| 2018 | 1 | 2.9L | All-Wheel Drive | Subcompact Cars | 21 |
| 2015 | 2 | 4.2L | All-Wheel Drive | Subcompact Cars | 18 |
Audi RS 5 — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2018 | Auto (AM-S8), 6 cyl, 2.9 L | 6 · 2.9L | Automatic (AM-S8) | All-Wheel Drive | 18 | 26 | 21 | Premium Gasoline |
| 2015 | Auto (AM-S7), 8 cyl, 4.2 L | 8 · 4.2L | Automatic (AM-S7) | All-Wheel Drive | 16 | 23 | 18 | Premium Gasoline |
| 2015 | Auto (AM-S7), 8 cyl, 4.2 L | 8 · 4.2L | Automatic (AM-S7) | All-Wheel Drive | 16 | 22 | 18 | Premium Gasoline |
Compare across every brand
All Audi RS 5 specifications
Audi RS 5 — Frequently Asked Questions
What is the fuel economy of the 2018 Audi RS 5?
The Audi RS 5 is EPA-rated at up to 21 MPG combined (18 city / 26 highway).
What engine does the 2018 Audi RS 5 have?
The Audi RS 5 uses a 2.9L 6-cylinder engine paired with an Automatic transmission.
What years of the Audi RS 5 are covered here?
This page documents 3 verified Audi RS 5 configurations across model years 2015–2018.
Which model year of the Audi RS 5 is the most fuel efficient?
The 2018 Audi RS 5 holds the highest combined rating at 21 MPG; the 2015 sits lowest at 18 MPG, a difference of 3 MPG (about 17%) across the 2 rated years on file.
How many engine options does the Audi RS 5 have?
The records list 2 distinct displacements for the Audi RS 5 — 2.9L, 4.2L — which is why combined MPG varies between trims of the same year.
Is the 2018 Audi RS 5 front-wheel drive or all-wheel drive?
Every Audi RS 5 configuration on record here is All-Wheel Drive; no alternative drivetrain appears in the 2015–2018 data.