2020 Audi A3
1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
£18,900
Fair price: within 8% of the typical £18,875 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 S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
- Mileage
- 36,684 miles
- Year
- 2020
- Fuel type
- Petrol Hybrid
- Body type
- Saloon
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 5
- CO2
- 131 g/km
- Colour
- Grey
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
With 36,684 miles on the clock, this 2020 Audi A3 S Line has done roughly 9,500 fewer miles than a typical 2020 Audi A3. Its asking price of £18,900 is £25 above our estimate of £18,875. Our estimate draws on 6,532 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 28 days ago. Its asking price has since fallen by £600. MOT records show an expiry date of 20 August 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Swindon, based in Swindon.
Stock data from 20 October 2026.
Price history
First seen on 23 September 2026, 28 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £600 from the first recorded £19,500. 1 price reduction recorded, the latest observed on 13 October 2026.
| Date observed | Asking price |
|---|---|
| 23 September 2026 | £19,500 |
| 13 October 2026 | £18,900 |
| 20 October 2026 | £18,900 |
Price and mileage comparison
Estimated market asking price: £18,875. The asking price is £25 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 9,500 miles lower than typical for a 2020 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 20 August 2027. 35,611 miles at the last test.
24 other cars with the same year, trim, gearbox and fuel are for sale from £13,990 to £21,798.
| Asking price | Mileage |
|---|---|
| £13,990 | 96,414 miles |
| £13,990 | 98,000 miles |
| £14,750 | 81,299 miles |
| £15,985 | 50,000 miles |
| £16,190 | 57,010 miles |
These cars have covered 15,051–98,000 miles, compared with 36,684 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 · 2020 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
Sytner Select Swindon, Swindon. Across the dealer network: 140 branches, 10,337 cars for sale.
Dealer postcode: SN3 3BW.
Dealer opening hours
- Monday
- 09:00-21:00
- Tuesday
- 09:00-21:00
- Wednesday
- 09:00-21:00
- Thursday
- 09:00-21:00
- Friday
- 09:00-21:00
- Saturday
- 09:00-18:30
- Sunday
- 11:00-17:00