2021 Audi A6 Saloon
3.0 TDI S Line Tiptronic 4WD Euro 6 4dr 50 (281 bhp)
£18,990
Good value: £2,360 under the typical £21,350 for this model, age and mileage, drawing on 858 adverts of this make and model.
Overview
- Make
- Audi
- Model
- A6 Saloon
- Trim
- S LINE
- Version
- 3.0 TDI S Line Tiptronic 4WD Euro 6 4dr 50 (281 bhp)
- Mileage
- 77,121 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- Saloon
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 281 bhp
- Seats
- 5
- CO2
- 179 g/km
- Colour
- Red
- Doors
- 4
- Driven wheels
- Four Wheel Drive
- Gearbox version
- Tiptronic
- Engine badge
- TDI
- Emissions standard
- Euro 6
About this car
With 77,121 miles on the clock, this 2021 Audi A6 Saloon S Line has done roughly 21,400 more miles than a typical 2021 Audi A6 Saloon. Our estimated market asking price is £21,350. This car is advertised at £18,990, which is £2,360 below that figure. Our estimate draws on 858 Audi A6 Saloon adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £1,000 lower than when we first recorded the advert 43 days ago. MOT records show an expiry date of 22 October 2026, and the latest recorded mileage is consistent with the advert. The seller is Riverside Car Sales, based in Middlesbrough.
Stock data from 20 October 2026.
Price history
First seen on 8 September 2026, 43 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,000 from the first recorded £19,990. 2 price reductions recorded, the latest observed on 16 October 2026.
| Date observed | Asking price |
|---|---|
| 8 September 2026 | £19,990 |
| 30 September 2026 | £19,250 |
| 16 October 2026 | £18,990 |
| 20 October 2026 | £18,990 |
Price and mileage comparison
Estimated market asking price: £21,350. The asking price is £2,360 below this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 858 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 21,400 miles higher than typical for a 2021 Audi A6 Saloon.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 22 October 2026. 68,329 miles at the last test.
15 other cars with the same year, trim, gearbox and fuel are for sale from £15,840 to £23,395.
| Asking price | Mileage |
|---|---|
| £15,840 | 91,045 miles |
| £16,700 | 79,921 miles |
| £16,990 | 97,450 miles |
| £16,995 | 92,280 miles |
| £17,995 | 72,952 miles |
These cars have covered 25,889–97,450 miles, compared with 77,121 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide
Similar cars for less
- 2021 Audi A6 Saloon, 49,070 miles, £17,999, £2,894 under typical, Winsford
- 2022 Audi A6 Saloon, 39,580 miles, £15,989, £2,461 under typical, Derby
- 2022 Audi A6 Saloon, 21,360 miles, £17,489, £2,658 under typical, Derby
Dealer
Riverside Car Sales, Middlesbrough. Across the dealer network: 62 cars for sale.
Dealer postcode: TS3 8BL.
Vehicle photos
- 2021 Audi A6 Saloon photo 1
- 2021 Audi A6 Saloon photo 2
- 2021 Audi A6 Saloon photo 3
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- 2021 Audi A6 Saloon photo 11
- 2021 Audi A6 Saloon photo 12