Fair price
Audi A6
2019 S Line 40 Tdi Semi-auto
DieselAutomatic54,000 mi2019
£200/yr
£428/mo
£19,750
cash
Vantage Autohouse·5.0 (17)· Newport
Audi A6 insurance group
23–50 of 50
Fair price
Audi A6
2018 Se Executive Tdi Quattro Semi-auto
DieselAutomatic76,841 mi2018
£200/yr
£322/mo
£13,992
cash
CG Motorland·4.5 (202)· Leicester
Fair price
Audi A6
2022 Black Edition 40 Tfsi Mhev Semi-auto
PetrolAutomatic50,343 mi2022
£200/yr
£545/mo
£24,901
cash
AB Dealers·4.6 (196)· Feltham
Motoring Today score
How good is the Audi A6?
63/100
Overall
Reliability65
Running costs72
Safety55
Family & practicality78
Insurance36
Reliability is from real DVSA MOT pass rates; running costs, insurance, safety and practicality from manufacturer specs (MPG/CO₂, insurance group, Euro NCAP, dimensions). Overall is a fixed weighted blend (family 17% · safety 18% · insurance 15% · reliability 25% · running cost 25%), from a sample of 127,169. A guide, not a guarantee.
Market data
Audi A6 market snapshot
How prices compare
62th percentile
On average, about 62% of comparable Audi A6 listings across the local market are cheaper, and the rest cost more. Typical market price for a comparable Audi A6: £17,999.
Based on 3 of our current listings
How quickly it sells
30 days
Comparable Audi A6 listings typically take around 30 days to sell, based on local sold-car data.
Based on 3 of our current listings
Typical mileage
60,395 miles
Across our current Audi A6 stock, mileage ranges from 50,343 to 76,841 miles (median 54,000).
Across 3 of our current listings
Price and days-to-sell figures are averaged across our own live Audi A6 listings, each checked against MarketCheck UK's wider market data (refreshed every 24 hours). Mileage is from our current stock directly. Shown only where we have enough listings to be representative — a guide, not a valuation.
Specifications & dimensions
Trim-level specifications for the Audi A6 (Petrol Parallel PHEV, Diesel, Petrol), across 800 recorded variants.
Performance
- 90–621 bhp
- Power
- 3.2s
- 0–60 mph (fastest)
- 190 mph
- Top speed
- 1,781–5,204 cc
- Engine
Economy & running costs
- 0–67 mpg
- Fuel economy
- 27–350 g/km
- CO₂
- £600
- Road tax (VED)
- 23–50 of 50
- Insurance group
Dimensions & practicality
- 4,933 mm
- Length
- 2,086 mm
- Width
- 1,457 mm
- Height
- 2,912 mm
- Wheelbase
- 1,705 kg
- Weight
- 5
- Seats
- 4
- Doors
Euro NCAP safety
- 5★
- Adult
- 4★
- Child
- 1★
- Pedestrian
The Audi A6 S6 (06-11) was tested by Euro NCAP in and received the following safety ratings:
Automatic · Manual 5 seats New from £18,674
| Trim | Fuel | Power | MPG | CO₂ | Ins. |
|---|---|---|---|---|---|
| RS 6 TFSI Quattro GT 5dr TiptronicAutomatic | Petrol | 621 bhp | 23.2 mpg | 277 | 50 |
| S6 TDI Quattro Vorsprung 4dr Tip AutoAutomatic | Diesel | 339 bhp | 38.7 - 39.2 mpg | 189 | 49 |
| 50 TFSI e Quattro Black Ed 5dr S Tronic [Tech]Automatic | Petrol Parallel PHEV | 294 bhp | 34.4 mpg | 34 | 46 |
| 55 TFSI e Quattro Competition Vorsprung 4dr S Tron 4dAutomatic | Petrol/Electric Hybrid | 361 bhp | — | 32 | 46 |
| 55 TFSI e Quattro Competition 4dr S Tronic [C + S]Automatic | Petrol Parallel PHEV | 361 bhp | — | 31 | 43 |
| 55 TFSI e Quattro Competition Vorsprung 5dr S TronAutomatic | Petrol Parallel PHEV | 361 bhp | — | 35 | 47 |
| 50 TFSI e 17.9kWh Qtro Vorsprung 5dr S TronicAutomatic | Petrol Parallel PHEV | 294 bhp | — | 35 | 46 |
| 50 TDI Quattro Sport 4dr Tip Auto [C+S Pack]Automatic | Diesel | 281 bhp | 40.4 - 41.5 mpg | 178 | 40 |
| 45 TFSI 265 Quattro Sport 5dr S Tronic [C+S Pack]Automatic | Petrol | 261 bhp | 35.3 - 36.2 mpg | 178 | 36 |
| S6 TDI 349 Quattro Black Edition 4dr Tip AutoAutomatic | Diesel | 344 bhp | 35.8 - 36.2 mpg | 203 | 44 |
| S6 TDI 344 Quattro Black Edition 4dr Tip AutoAutomatic | Diesel | 339 bhp | 39.2 - 40.4 mpg | 183 | 44 |
| 50 TFSI e Quattro Vorsprung 4dr S Tronic 4dAutomatic | Petrol/Electric Hybrid | 294 bhp | — | 44 | 45 |
Manufacturer specifications aggregated across recorded trims; individual cars vary by options and age. Figures are a guide — confirm exact spec with the seller.
Frequently asked questions
- How many used Audi A6 cars are currently available on Motoring Today?
- We currently have 3 used Audi A6 models for sale. Our stock was last updated on 11 August 2026.
- What is the cheapest Audi A6 available right now?
- The most affordable Audi A6 listed is a 2018 model with 76,841 miles, priced at £13,992. This is available on representative HP finance for £322 per month, subject to status.
- What should I check when buying a used Audi A6?
- When buying a used Audi A6, it's wise to check the service history thoroughly, especially for transmission and suspension components. Always review the MOT history for advisories and ensure all electronics are functioning correctly.
- Is a used Audi A6 ULEZ compliant?
- While specific ULEZ compliance for the Audi A6 cannot be confirmed from our current data, generally, diesel cars registered after September 2015 and petrol cars registered after January 2006 are ULEZ compliant.
- What finance options are available for an Audi A6?
- Representative finance for the Audi A6 is available via Hire Purchase (HP). This typically involves paying a deposit, in this case £0, followed by fixed monthly payments, for a term of 60 months, after which you own the car. Finance is subject to status, with a representative APR of 13%.
- What are the running costs like for an Audi A6?
- Running costs for a used Audi A6 can vary significantly depending on the engine size, fuel type, and age. Generally, expect costs associated with a premium executive car, including servicing and parts.