2021 Audi A3
1.4 13kWh TFSIe 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)
£18,000
Good value: £1,576 under the typical £19,576 for this model, age and mileage, drawing on 6,484 adverts of this make and model.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S LINE
- Version
- 1.4 13kWh TFSIe 40 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (201 bhp)
- Mileage
- 21,341 miles
- Year
- 2021
- Fuel type
- Petrol Plug-in Hybrid
- Body type
- Hatchback
- Engine
- 1.4 L
- Gearbox
- Automatic
- Power
- 201 bhp
- Seats
- 5
- CO2
- 29 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSIe
- Hybrid type
- Plug-in hybrid
- Emissions standard
- Euro 6
About this car
This 2021 Audi A3 S Line is advertised with 21,341 miles, approximately 21,400 below the typical mileage for its age. The dealer is asking £18,000, which is £1,576 below our market estimate of £19,576. We use UK dealer asking prices, including 6,484 Audi A3 listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 6 days ago. Its recorded MOT is valid until 17 February 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Carbase Bristol, based in Bristol.
Stock data from 19 October 2026.
Price history
First seen on 14 October 2026, 6 days ago. Advert duration calculated on 20 October 2026.
| Date observed | Asking price |
|---|---|
| 14 October 2026 | £18,000 |
| 19 October 2026 | £18,000 |
Price and mileage comparison
Estimated market asking price: £19,576. The asking price is £1,576 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 6,484 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 21,400 miles lower than typical for a 2021 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 17 February 2027. 19,659 miles at the last test.
35 other cars with the same year, trim, gearbox and fuel are for sale from £11,700 to £20,990.
| Asking price | Mileage |
|---|---|
| £11,700 | 111,314 miles |
| £11,850 | 99,572 miles |
| £12,199 | 110,158 miles |
| £12,449 | 77,000 miles |
| £12,700 | 91,000 miles |
These cars have covered 18,021–111,314 miles, compared with 21,341 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 A3 cars for sale · 2021 Audi A3 price guide
Similar cars for less
- 2023 Audi A3, 7,500 miles, £16,989, £5,178 under typical, Keighley
- 2024 Audi A3, 18,500 miles, £17,450, £5,086 under typical, Halifax
- 2024 Audi A3, 14,100 miles, £17,950, £4,509 under typical, Greenford
Dealer
Carbase Bristol, Bristol. Across the dealer network: 3 branches, 1,878 cars for sale.
Dealer postcode: BS5 9PJ.
Dealer opening hours
- Monday
- 10:00-19:00
- Tuesday
- 10:00-19:00
- Wednesday
- 10:00-19:00
- Thursday
- 10:00-19:00
- Friday
- 10:00-19:00
- Saturday
- 08:30-18:00
- Sunday
- 10:00-17:00