2018 Audi A4 1.4 TFSI S Line
Version: 1.4 TFSI S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
Price: £12,490. Fair price: £369 (3%) over the AskCar estimate of £12,121, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,413 priced Audi A4 adverts on AskCar as of 31 October 2026.
AskCar lists 1,470 used Audi A4 from 958 UK dealerships, as of 31 October 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
- 47,150 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
- Blue
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
This 2018 Audi A4 S Line is advertised with 47,150 miles, approximately 26,800 below the typical mileage for its age. The AskCar estimate for this car is £12,121. It is priced at £12,490, which is £369 above that estimate. The AskCar estimate draws on 1,413 Audi A4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. Its recorded MOT is valid until 28 October 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Martin Bell Car Sales, based in Darlington.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £12,490 |
Price and mileage comparison
Fair price: £369 (3%) over the AskCar estimate of £12,121.
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 1,413 priced Audi A4 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 26,800 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 28 October 2027. 47,131 miles at the last test.
Other matching cars
19 other 2018 Audi A4 S Line manual petrol cars are for sale at UK dealers from £8,450 to £13,120, as of 31 October 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 19 matching cars have covered 28,794 to 92,750 miles, compared with 47,150 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
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Photos
2 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 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.