2021 Audi A3
1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
£17,350
Fair price: within 8% of the typical £17,240 for this model, age and mileage, drawing on 6,532 adverts of this make and model.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S LINE
- Version
- 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
- Mileage
- 43,112 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 1.5 L
- Gearbox
- Manual
- Power
- 148 bhp
- Seats
- 5
- CO2
- 133 g/km
- Colour
- Grey
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
The advertised mileage for this 2021 Audi A3 S Line is 43,112 miles. At £17,350, it is advertised £110 above our estimated market asking price of £17,240. The estimate uses 6,532 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. The seller is Group 1 Automotive Audi Approved Colchester, based in Colchester.
Stock data from 20 October 2026.
Price history
First seen on 20 October 2026, 1 days ago. Advert duration calculated on 21 October 2026.
| Date observed | Asking price |
|---|---|
| 20 October 2026 | £17,350 |
Price and mileage comparison
Estimated market asking price: £17,240. The asking price is £110 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 6,532 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 100 miles higher than typical for a 2021 Audi A3.
53 other cars with the same year, trim, gearbox and fuel are for sale from £12,936 to £20,402.
| Asking price | Mileage |
|---|---|
| £12,936 | 83,041 miles |
| £12,995 | 84,920 miles |
| £13,799 | 78,694 miles |
| £14,427 | 52,604 miles |
| £14,495 | 71,881 miles |
These cars have covered 7,591–84,920 miles, compared with 43,112 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, 35,650 miles, £14,995, £4,808 under typical, Barnet
- 2025 Audi A3, 35,874 miles, £15,750, £4,957 under typical, Hadleigh
- 2024 Audi A3, 26,200 miles, £14,489, £4,455 under typical, Bradford
Dealer
Group 1 Automotive Audi Approved Colchester, Colchester. Across the dealer network: 146 branches, 8,183 cars for sale.
Dealer postcode: CO4 0HQ.
Dealer opening hours
- Monday
- 08:30-18:00
- Tuesday
- 08:30-18:00
- Wednesday
- 08:30-18:00
- Thursday
- 08:30-18:00
- Friday
- 08:30-18:00
- Saturday
- 09:00-17:00
- Sunday
- 10:00-16:00
