2021 Audi A4 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A4
• Trim: S Line
• Version: 2.0 TFSI 35 S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2021
• Mileage: 44,966 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi A4 S Line is advertised with 44,966 miles, approximately 5,200 below the typical mileage for its age. The dealer is asking £15,980, which is £147 below the AskCar estimate of £16,127. To work out the AskCar estimate, we analyse UK dealer adverts for 1,427 Audi A4 cars across different ages and specifications. It first appeared in our advert records 69 days ago. The recorded MOT expired on 16 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandicliffe Ford Loughborough, based in Loughborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £147 (under 1%) under the AskCar estimate of £16,127.

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 1,427 priced Audi A4 adverts across different ages and specifications, as of 5 November 2026.

A 2021 Audi A4 with the 2.0 petrol engine is typically advertised at £17,100: the median of the 95 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 Audi A4 has been on sale for at least 69 days.

Price history

AskCar first saw this advert on 28 August 2026 at £15,853. Its asking price is now £15,980, £127 more.

Price changes recorded:

• 28 August 2026: £15,853
• 29 August 2026: £16,482
• 31 August 2026: £16,807
• 4 September 2026: £16,840
• 5 September 2026: £17,066
• 8 September 2026: £16,952
• 9 September 2026: £17,033
• 10 September 2026: £16,973
• 11 September 2026: £16,980
• 12 September 2026: £17,005
• 15 September 2026: £16,915
• 16 September 2026: £16,906
• 17 September 2026: £16,870
• 18 September 2026: £16,886
• 19 September 2026: £16,878
• 22 September 2026: £16,812
• 23 September 2026: £16,814
• 24 September 2026: £16,777
• 25 September 2026: £16,716
• 26 September 2026: £16,710
• 29 September 2026: £16,653
• 1 October 2026: £16,640
• 2 October 2026: £16,648
• 3 October 2026: £16,645
• 6 October 2026: £16,587
• 7 October 2026: £16,627
• 8 October 2026: £16,620
• 9 October 2026: £16,546
• 10 October 2026: £16,578
• 13 October 2026: £16,556
• 16 October 2026: £16,432
• 17 October 2026: £16,549
• 20 October 2026: £16,494
• 21 October 2026: £16,490
• 22 October 2026: £16,474
• 23 October 2026: £16,466
• 24 October 2026: £16,464
• 27 October 2026: £15,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 16 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 17 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 36,967 miles, which matches the advertised 44,966 miles.

Advertised mileage is about 5,200 miles lower than the median mileage of a 2021 Audi A4 on AskCar.

Similar cars

2 other 2021 Audi A4 S Line 2.0 petrol manual saloons are for sale at UK dealers, from £16,490 to £16,528, as of 5 November 2026.

The 2 closest to this car in mileage:

• 2021 Audi A4 S Line, 2.0 petrol saloon, black. Mileage: 41,966 miles. Price: £16,490, £510 more than this car. Dealer: Bridgend Motor Group in Morley. AskCar page: https://askcar.co.uk/car/audi-a4-2021-effadca56055
• 2021 Audi A4 S Line, 2.0 petrol saloon, white. Mileage: 36,000 miles. Price: £16,528, £548 more than this car. Dealer: Peoples Liverpool Speke in Speke. AskCar page: https://askcar.co.uk/car/audi-a4-2021-f48ad95a562a