2018 Audi A4 1.4 TFSI S Line

Overview

• Make: Audi
• Model: A4
• Trim: S Line
• Version: 1.4 TFSI S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2018
• Mileage: 66,601 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.4 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 66,601 miles, this 2018 Audi A4 S Line has covered about 8,400 fewer miles than other 2018 Audi A4 cars. Priced at £10,295, it is advertised £417 below the AskCar estimate of £10,712. The AskCar estimate uses 1,428 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is S B Car Sales, based in Sunbury-on-Thames. 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: £417 (3%) under the AskCar estimate of £10,712.

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 1,428 priced Audi A4 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi A4 with the 1.4 petrol engine is typically advertised at £11,000: the median of the 59 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 Audi A4 advertised 1 day ago. About half of 2018 Audi A4 cars are gone from sale within a month of being advertised: 73 of the 145 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £10,295. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 14 September 2027.

It failed its MOT on 9 September 2026 (nearside front tyre has ply or cords exposed; offside front tyre has ply or cords exposed) and passed 2 days later, on 11 September 2026.

There were no advisories at the latest test.

Mileage at that test: 64,373 miles, which matches the advertised 66,601 miles.

Advertised mileage is about 8,400 miles lower than the median mileage of a 2018 Audi A4 on AskCar.

Similar cars

19 other 2018 Audi A4 S Line 1.4 petrol manual saloons are for sale at UK dealers, from £8,450 to £13,120, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A4 S Line, 1.4 petrol saloon, white. Mileage: 70,895 miles. Price: £10,998, £703 more than this car. Dealer: Arnold Clark Workington Motorstore / GWM in Workington. AskCar page: https://askcar.co.uk/car/audi-a4-2018-614f15cb9218
• 2018 Audi A4 S Line, 1.4 petrol saloon, silver. Mileage: 72,000 miles. Price: £10,495, £200 more than this car. Dealer: Car-Isma Cheshire in Knutsford. AskCar page: https://askcar.co.uk/car/audi-a4-2018-2ef67652278a
• 2018 Audi A4 S Line, 1.4 petrol saloon, white. Mileage: 60,200 miles. Price: £10,995, £700 more than this car. Dealer: OC Davies & Son in Cardigan. AskCar page: https://askcar.co.uk/car/audi-a4-2018-f4fa65b016f7

• The nearest: 2018 Audi A4 S Line, 1.4 petrol saloon, black, 18 miles from this car. Mileage: 37,151 miles. Price: £13,000, £2,705 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a4-2018-e9e2304afc6e