DecodedCars2025 Audi S4
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2025 models.
- Class
- Compact Cars
- Body styles
- 4dr Sedan
- Engines
- 3.0L 6-cyl turbo
- Drivetrain
- All-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 24 combined · 20 city / 29 hwy
- Length
- 187.8 in
- Curb weight
- 3,854 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- No recalls so far
Watch out for
- Below-average fuel economyBest version gets 24 MPG combined, 16% below the 2025 compact car average of 28.6 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 33 similar 2025 models — not a review. How we calculate this →
Overview
The 2025 Audi S4 is a compact car offered with a 3.0L 6-cyl turbo engine and all-wheel drive.
It measures about 188 inches long and 73 inches wide on a 111-inch wheelbase, with a curb weight of roughly 3,854 lb.
EPA rates its most efficient version at 24 MPG combined (20 city / 29 highway), 16% worse than the 2025 compact car average of 28.6 MPG, for an estimated $3,400 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
There are no recalls or owner complaints on file with NHTSA for this model year.
What changed for 2025
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2024 S4 — a carry-over year in the data.
Compared with 2024; trim, feature and price changes aren't covered. See the 2024 S4 →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 4dr Sedan | 187.8 in | 72.8 in | 55.1 in | 111 in | 61.8 / 61 in | 3,854 lb | 56/44 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| S4 | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 20 / 29 / 24 | -16% | $3,400 | 377 |
EPA estimates; "vs. class" is combined MPG against the 2025 EPA class average. How we calculate this →
Safety ratings & technology
| Version | Overall | Frontal | Driver / passenger | Side | Side pole | Rollover | Rollover risk |
|---|---|---|---|---|---|---|---|
| 2025 Audi S4 4 DR AWD | Not rated | Not rated | –★ / –★ | Not rated | Not rated | ★★★★★ | 9.9% |
Similar 2025 compact cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2025 Audi S4 (this car) | 24 MPG | Not rated | 0 |
| 2025 BMW 3 Series | 31 MPG | Not rated | 0 |
| 2025 Mercedes-Benz E-Class | 28 MPG | Not rated | 0 |
| 2025 Lexus IS | 25 MPG | Not rated | 0 |
| 2025 Audi A4 | 29 MPG | Not rated | 0 |
| 2025 Mercedes-Benz C-Class | 29 MPG | Not rated | 0 |
| 2025 Tesla Model 3 | 363 mi | Not rated | 3 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2025 Audi S4.
Check your VIN for open recalls at NHTSA ↗Not every 2025 Audi S4 is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2025 Audi S4 in NHTSA's database since 2015.
Used 2025 Audi S4 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2025 Audi S4. Not a substitute for a professional inspection.
Other S4 years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2024 S4 | 24 | 187.8 in | Not rated | 0 | 0 |
| 2023 S4 | 24 | 187.8 in | Not rated | 0 | 0 |
| 2022 S4 | 24 | 187.8 in | Not rated | 1 | 1 |
| 2021 S4 | 23 | 187.8 in | Not rated | 4 | 2 |
| 2020 S4 | 23 | 187.8 in | Not rated | 3 | 17 |
| 2019 S4 | 24 | 186.2 in | Not rated | 1 | 2 |
| 2018 S4 | 24 | 186.2 in | Not rated | 2 | 7 |
| 2016 S4 | 21 | 185 in | Not rated | 0 | 0 |
| 2015 S4 | 21 | 185 in | Not rated | 1 | 1 |
| 2014 S4 | 21 | 185 in | Not rated | 1 | 17 |
| 2013 S4 | 21 | 185 in | Not rated | 1 | 15 |
| 2012 S4 | 21 | 185 in | Not rated | 1 | 21 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Audi. How we calculate this →