2026 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2026
• Mileage: 7,050 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line has covered 7,050 miles, around 3,900 more miles than is typical for its age. Priced at £29,900, it is advertised £628 below the AskCar estimate of £30,528. The AskCar estimate uses UK dealer asking prices, including 6,691 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 1 day ago. The seller is Swansway Garages Carlisle Audi, based in Carlisle. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £628 (2%) under the AskCar estimate of £30,528.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 November 2026.

A 2026 Audi A3 with the 2.0 diesel engine is typically advertised at £30,900: the median of the 39 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2026 Audi A3 advertised 1 day ago. About 3 in 10 of 2026 Audi A3 cars are gone from sale within a month of being advertised: 271 of the 860 first advertised between 7 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £29,900. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,900 miles higher than the median mileage of a 2026 Audi A3 on AskCar.

Similar cars

9 other 2026 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £29,046 to £34,199, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2026 Audi A3 S Line, 2.0 diesel hatchback, green. Mileage: 5,315 miles. Price: £29,046, £854 less than this car. Dealer: JCT600 Volkswagen Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2026-eeed2c79de73
• 2026 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 3,877 miles. Price: £31,780, £1,880 more than this car. Dealer: Marshall Motor Group Taunton Audi in Taunton. AskCar page: https://askcar.co.uk/car/audi-a3-2026-702024c77990
• 2026 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 2,000 miles. Price: £31,000, £1,100 more than this car. Dealer: Sytner Group Derby Audi in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2026-fa845b0abf0d

• The nearest: 2026 Audi A3 S Line, 2.0 diesel hatchback, grey, 70 miles from this car. Mileage: 50 miles. Price: £34,199, £4,299 more than this car. Dealer: Eastern Western Motor Group Audi Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/audi-a3-2026-2d8c88fca4c2