2018 Audi A5

1.4 TFSI S Line S tronic FWD Euro 6 (s/s) 2dr (148 bhp)

£15,099

Fair price: within 8% of the typical £15,222 for this model, age and mileage, drawing on 1,862 adverts of this make and model.

Overview

Make
Audi
Model
A5
Trim
S LINE
Version
1.4 TFSI S Line S tronic FWD Euro 6 (s/s) 2dr (148 bhp)
Mileage
33,028 miles
Year
2018
Fuel type
Petrol
Body type
Coupe
Engine
1.4 L
Gearbox
Automatic
Power
148 bhp
Seats
4
CO2
125 g/km
Colour
White
Doors
2
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI
Emissions standard
Euro 6

About this car

At 33,028 miles, this 2018 Audi A5 S Line has covered about 37,000 fewer miles than other 2018 Audi A5 cars. The dealer is asking £15,099, which is £123 below our market estimate of £15,222. Our estimate draws on 1,862 Audi A5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 69 days ago. Its asking price has since fallen by £758. The time on sale and price change could be useful context when negotiating. MOT records show an expiry date of 27 August 2027, and the latest recorded mileage is consistent with the advert. The seller is JCT600 Boston Audi, based in Boston.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 12 August 2026, 69 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £758 from the first recorded £15,857. 5 price reductions recorded, the latest observed on 8 October 2026.

Recorded asking prices
Date observedAsking price
13 August 2026£15,857
15 August 2026£15,558
22 August 2026£15,797
31 August 2026£15,589
24 September 2026£15,489
28 September 2026£15,389
8 October 2026£15,099
19 October 2026£15,099

Price and mileage comparison

Estimated market asking price: £15,222. The asking price is £123 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,862 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 37,000 miles lower than typical for a 2018 Audi A5.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 27 August 2027. 32,409 miles at the last test.

63 other cars with the same year, trim, gearbox and fuel are for sale from £8,990 to £19,999.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£8,99075,000 miles
£9,240145,041 miles
£9,890109,000 miles
£10,49598,284 miles
£10,989100,000 miles

These cars have covered 14,230–145,041 miles, compared with 33,028 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A5 cars for sale · 2018 Audi A5 price guide

Similar cars for less

Dealer

JCT600 Boston Audi, Boston. Across the dealer network: 19 branches, 2,683 cars for sale.

Dealer postcode: PE21 7QS.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
08:30-17:00
Sunday
12:00-16:00

Vehicle photos