2021 Audi A4
2.0 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
£18,200
Fair price: within 8% of the typical £18,511 for this model, age and mileage, drawing on 1,396 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
- 26,990 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
- Grey
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
This 2021 Audi A4 S Line is advertised with 26,990 miles, approximately 23,200 below the typical mileage for its age. At £18,200, it is advertised £311 below our estimated market asking price of £18,511. To estimate its market asking price, we analyse UK dealer adverts for 1,396 Audi A4 cars across different ages and specifications. This car was first seen in our listings data 1 day ago. It is advertised by Car Planet Watford in Rickmansworth.
Stock data from 28 October 2026.
Price history
First seen on 28 October 2026, 1 days ago. Advert duration calculated on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 28 October 2026 | £18,200 |
Price and mileage comparison
Estimated market asking price: £18,511. The asking price is £311 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 1,396 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 23,200 miles lower than typical for a 2021 Audi A4.
5 other cars with the same year, trim, gearbox and fuel are for sale from £14,295 to £19,999.
| Asking price | Mileage |
|---|---|
| £14,295 | 74,000 miles |
| £17,200 | 25,865 miles |
| £17,490 | 47,400 miles |
| £17,498 | 48,709 miles |
| £19,999 | 33,568 miles |
These cars have covered 25,865–74,000 miles, compared with 26,990 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
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