2021 Audi A4
2.0 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
£17,990
Fair price: within 8% of the typical £16,846 for this model, age and mileage, drawing on 1,439 adverts of this make and model.
Overview
- Make
- Audi
- Model
- A4
- Trim
- S LINE
- Version
- 2.0 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
- Mileage
- 47,400 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 5
- CO2
- 154 g/km
- Colour
- Black
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
At 47,400 miles, this 2021 Audi A4 S Line has covered about 3,200 fewer miles than other 2021 Audi A4 cars. Our estimated market asking price is £16,846. This car is advertised at £17,990, which is £1,144 above that figure. The estimate uses 1,439 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 28 days ago. The latest MOT record shows an expiry date of 1 August 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Stow Car Company in Chelmsford.
Stock data from 20 October 2026.
Price history
First seen on 23 September 2026, 28 days ago. Advert duration calculated on 21 October 2026.
| Date observed | Asking price |
|---|---|
| 23 September 2026 | £17,990 |
| 20 October 2026 | £17,990 |
Price and mileage comparison
Estimated market asking price: £16,846. The asking price is £1,144 above 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 1,439 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 3,200 miles lower than typical for a 2021 Audi A4.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 1 August 2027. 46,540 miles at the last test.
2 other cars with the same year, trim, gearbox and fuel are for sale from £17,500 to £19,999.
| Asking price | Mileage |
|---|---|
| £17,500 | 25,865 miles |
| £19,999 | 33,568 miles |
These cars have covered 25,865–33,568 miles, compared with 47,400 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 A4 cars for sale · 2021 Audi A4 price guide
Similar cars for less
- 2022 Audi A4, 42,815 miles, £12,995, £3,589 under typical, Reading
- 2023 Audi A4, 22,000 miles, £16,995, £2,937 under typical, Scunthorpe
- 2023 Audi A4, 26,638 miles, £17,989, £2,829 under typical, Derby
Dealer
Stow Car Company, Chelmsford. Across the dealer network: 11 cars for sale.
Dealer postcode: CM3 6RU.
Dealer opening hours
- Monday
- 09:00-17:00
- Tuesday
- 09:00-17:00
- Wednesday
- 09:00-17:00
- Thursday
- 09:00-16:00
- Friday
- 09:00-17:00
- Saturday
- 09:00-15:00
- Sunday
- Closed
Vehicle photos
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