2021 Audi A1 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A1
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2021
• Mileage: 20,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 20,000 miles, this 2021 Audi A1 S Line has covered about 19,000 fewer miles than other 2021 Audi A1 cars. Priced at £17,995, it is advertised £635 below the AskCar estimate of £18,630. To work out the AskCar estimate, we analyse UK dealer adverts for 4,753 Audi A1 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 98 days, and its asking price is down £255. It is for sale at RSV Automotive in Deeside. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £635 (3%) under the AskCar estimate of £18,630.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 4,753 priced Audi A1 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Audi A1 with the 1.5 petrol engine is typically advertised at £18,000: the median of the 27 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi A1 has been on sale for at least 98 days, and its asking price has been cut by £255. About 6 in 10 of 2021 Audi A1 cars are gone from sale within a month of being advertised: 244 of the 415 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 27 July 2026 at £18,250. Its asking price is now £17,995, £255 less. The latest price cut was seen on 26 September 2026.

Price changes recorded:

• 27 July 2026: £18,250
• 26 September 2026: £17,995

Mileage and MOT

Advertised mileage is about 19,000 miles lower than the median mileage of a 2021 Audi A1 on AskCar.

Similar cars

12 other 2021 Audi A1 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,275 to £19,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi A1 S Line, 1.5 petrol hatchback, white. Mileage: 20,118 miles. Price: £17,990, the same price as this car. Dealer: Juniper Car Sales in Ripley. AskCar page: https://askcar.co.uk/car/audi-a1-2021-d51a15c1fbc3
• 2021 Audi A1 S Line, 1.5 petrol hatchback, grey. Mileage: 23,215 miles. Price: £17,995, the same price as this car. Dealer: Auriga Cars in Coal Aston. AskCar page: https://askcar.co.uk/car/audi-a1-2021-b0d1a2458e7d
• 2021 Audi A1 S Line, 1.5 petrol hatchback, black. Mileage: 26,000 miles. Price: £17,990, the same price as this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/audi-a1-2021-c4a3677daba5

• The nearest: 2021 Audi A1 S Line, 1.5 petrol hatchback, yellow, 47 miles from this car. Mileage: 76,624 miles. Price: £13,595, £4,400 less than this car. Dealer: Motor Trust UK Garstang in Preston. AskCar page: https://askcar.co.uk/car/audi-a1-2021-7b3d5e67b04d