2018 Audi A4 1.4 TFSI S Line
Version: 1.4 TFSI S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
Price: £10,295. Fair price: £459 (4%) under the AskCar estimate of £10,754, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,403 priced Audi A4 adverts on AskCar as of 1 November 2026.
AskCar lists 1,461 used Audi A4 from 957 UK dealerships, as of 1 November 2026.
Overview
- Make
- Audi
- Model
- A4
- Trim
- S Line
- Version
- 1.4 TFSI S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
- Mileage
- 66,601 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 1.4 L
- Gearbox
- Manual
- Power
- 148 bhp
- Seats
- 5
- CO2
- 128 g/km
- Colour
- Black
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
At 66,601 miles, this 2018 Audi A4 S Line has covered about 7,400 fewer miles than other 2018 Audi A4 cars. Priced at £10,295, it is advertised £459 below the AskCar estimate of £10,754. The AskCar estimate uses 1,403 UK dealer adverts for the Audi A4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. The latest MOT record shows an expiry date of 14 September 2027, with the advertised mileage consistent with the recorded reading. You can find this car at S B Car Sales in Sunbury-on-Thames.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £10,295 |
Price and mileage comparison
Fair price: £459 (4%) under the AskCar estimate of £10,754.
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 1,403 priced Audi A4 adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 7,400 miles lower than the median mileage of a 2018 Audi A4 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 14 September 2027. 64,373 miles at the last test.
Other matching cars
20 other 2018 Audi A4 S Line manual petrol cars are for sale at UK dealers from £8,450 to £13,120, as of 1 November 2026.
The 5 cheapest:
- 2018 Audi A4. Price: £8,450. Mileage: 89,352 miles. Dealer: Arbat Motors in Bexleyheath. AskCar page: https://askcar.co.uk/car/audi-a4-2018-093b92c334c0
- 2018 Audi A4. Price: £8,895. Mileage: 92,750 miles. Dealer: W T Motor Cars in Belper. AskCar page: https://askcar.co.uk/car/audi-a4-2018-2b96db0217cd
- 2018 Audi A4. Price: £8,999. Mileage: 86,200 miles. Dealer: Valley Automobiles in Haslingden. AskCar page: https://askcar.co.uk/car/audi-a4-2018-1924a2b6afe7
- 2018 Audi A4. Price: £9,348. Mileage: 82,900 miles. Dealer: Crescent Cars in Arlesey. AskCar page: https://askcar.co.uk/car/audi-a4-2018-70cbe77e9bc1
- 2018 Audi A4. Price: £9,491. Mileage: 80,000 miles. Dealer: Fabian Motor Company in Swansea. AskCar page: https://askcar.co.uk/car/audi-a4-2018-f2be500228b1
The 20 matching cars have covered 28,794 to 92,750 miles, compared with 66,601 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A4 cars for sale · 2018 Audi A4 price guide
More like this
Photos
62 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.