DecodedCars2023 Audi A6
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2023 models.
- Class
- Midsize Cars
- Body styles
- 4dr Sedan, Allroad 4dr Wagon
- Engines
- 2.0L 4-cyl turbo, 3.0L 6-cyl turbo
- Horsepower
- 261–335 hp
- Transmission
- automatic
- Drivetrain
- All-Wheel Drive
- Fuel
- Hybrid
- MPG (best)
- 27 combined · 24 city / 31 hwy
- Length
- 194.5–194.9 in
- Curb weight
- 4,266–4,495 lb
- NHTSA rating
- Not rated
- Recalls
- 1 campaign
Pros & cons
What's good
- Hybrid version availableOffered as a hybrid as well as gas.
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 38 similar 2023 models — not a review. How we calculate this →
Overview
The 2023 Audi A6 is a midsize car offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo), including a hybrid version and all-wheel drive.
It measures about 195 inches long and 74 inches wide on a 115-inch wheelbase, with a curb weight of roughly 4,266 lb (4dr Sedan).
EPA rates its most efficient version at 27 MPG combined (24 city / 31 highway), 0% better than the 2023 midsize car average of 27 MPG, for an estimated $3,050 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 1 recall campaign on file and owners have filed 3 complaints with NHTSA since 2015, most often about the unknown or other.
What changed for 2023
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2022 A6 — a carry-over year in the data.
Compared with 2022; trim, feature and price changes aren't covered. See the 2022 A6 →
Trims, performance & features
Trims
Safety & driver-assist features
Built in: Neckarsulm, Germany
NHTSA vPIC, as reported by the manufacturer for 3 2023 A6 configurations; may not list every trim. How we calculate this →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 4dr Sedan | 194.5 in | 74.4 in | 57.5 in | 115 in | 64.2 / 63.8 in | 4,266 lb | 55/45 |
| Allroad 4dr Wagon | 194.9 in | 74.8 in | 57.9 in | 115.4 in | 65 / 63.4 in | 4,495 lb | 52/48 |
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 |
|---|---|---|---|---|---|---|---|
| A6 quattro Hybrid | 2.0L 4-cyl turbo | Automatic (AM-S7) | All-Wheel Drive | 24 / 31 / 27 | 0% | $3,050 | 334 |
| A6 quattro Hybrid | 3.0L 6-cyl turbo | Automatic (AM-S7) | All-Wheel Drive | 21 / 30 / 24 | -11% | $3,400 | 361 |
| A6 Allroad Hybrid | 3.0L 6-cyl turbo | Automatic (AM-S7) | All-Wheel Drive | 21 / 30 / 24 | +17% | $3,400 | 361 |
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 A6.
Similar 2023 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2023 Audi A6 (this car) | 27 MPG | Not rated | 1 |
| 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 Lexus IS | 25 MPG | Not rated | 0 |
| 2023 Audi A4 | 28 MPG | Not rated | 1 |
| 2023 Mercedes-Benz C-Class | 29 MPG | Not rated | 0 |
Recalls (1)
Back Over Prevention › Sensing System › Camera · Dec 19, 2025
NHTSA campaign 25V900000 · 356,894 vehicles
- Problem
- Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
- Risk
- A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.
- Fix
- Dealers will update the software, free of charge. Owner notification letters were mailed January 14, 2026. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90TV. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on December 23, 2025.
Not every 2023 Audi A6 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2023 Audi A6 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 1 recall this year — ask for proof of repairs.
- Electrical System — 1 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
- Forward Collision Avoidance › Automatic Emergency Braking — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
- Back Over Prevention › Warnings — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
- Hybrid system. Check for hybrid-system warning lights and ask whether the high-voltage battery has been replaced or is still under warranty.
- 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 A6. Not a substitute for a professional inspection.
Other A6 years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2026 A6 | 24 | 196.9 in | Not rated | 1 | 9 |
| 2025 A6 | 26 | 194.5 in | Not rated | 3 | 9 |
| 2024 A6 | 26 | 194.5 in | Not rated | 1 | 3 |
| 2022 A6 | 26 | 194.5 in | Not rated | 5 | 4 |
| 2021 A6 | 26 | 194.5 in | ★★★★★ | 12 | 27 |
| 2020 A6 | 27 | 194.5 in | ★★★★★ | 9 | 34 |
| 2019 A6 | 27 | 194.5 in | ★★★★★ | 7 | 114 |
| 2018 A6 | 28 | 193.7 in | ★★★★★ | 2 | 11 |
| 2017 A6 | 28 | 193.7 in | ★★★★★ | 3 | 20 |
| 2016 A6 | 30 | 193.7 in | ★★★★★ | 3 | 51 |
| 2015 A6 | 29 | 193.7 in | ★★★★★ | 4 | 22 |
| 2014 A6 | 29 | 193.7 in | ★★★★★ | 4 | 35 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Audi. How we calculate this →