DecodedCars2023 Audi S4
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2023 models.
- Class
- Compact Cars
- Body styles
- 4dr Sedan
- Engines
- 3.0L 6-cyl turbo
- Drivetrain
- 4-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 24 combined · 21 city / 30 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, 13% below the 2023 compact car average of 27.6 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 37 similar 2023 models — not a review. How we calculate this →
Overview
The 2023 Audi S4 is a compact car offered with a 3.0L 6-cyl turbo engine and 4-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 (21 city / 30 highway), 13% worse than the 2023 compact car average of 27.6 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 2023
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2022 S4 — a carry-over year in the data.
Compared with 2022; trim, feature and price changes aren't covered. See the 2022 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) | 4-Wheel Drive | 21 / 30 / 24 | -13% | $3,400 | 364 |
EPA estimates; "vs. class" is combined MPG against the 2023 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2023 Audi S4.
Similar 2023 compact cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2023 Audi S4 (this car) | 24 MPG | Not rated | 0 |
| 2023 BMW 3 Series | 29 MPG | Not rated | 1 |
| 2023 BMW 5 Series | 28 MPG | Not rated | 1 |
| 2023 Mercedes-Benz E-Class | 26 MPG | ★★★★★ | 0 |
| 2023 Mercedes-Benz AMG GT | 21 MPG | Not rated | 6 |
| 2023 Lexus IS | 25 MPG | Not rated | 0 |
| 2023 Audi A4 | 28 MPG | Not rated | 1 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2023 Audi S4.
Check your VIN for open recalls at NHTSA ↗Not every 2023 Audi S4 is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2023 Audi S4 in NHTSA's database since 2015.
Used 2023 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 2023 Audi S4. Not a substitute for a professional inspection.
Other S4 years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2025 S4 | 24 | 187.8 in | Not rated | 0 | 0 |
| 2024 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 | ★★★★★ | 0 | 0 |
| 2015 S4 | 21 | 185 in | ★★★★★ | 1 | 1 |
| 2014 S4 | 21 | 185 in | ★★★★★ | 1 | 17 |
| 2013 S4 | 21 | 185 in | ★★★★★ | 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 →