2018 Audi S5

3.0 TFSI V6 Sportback Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)

£20,488

Fair price: within 8% of the typical £21,185 for this model, age and mileage, drawing on 340 adverts of this make and model.

Overview

Make
Audi
Model
S5
Version
3.0 TFSI V6 Sportback Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)
Mileage
70,000 miles
Year
2018
Fuel type
Petrol
Body type
Hatchback
Engine
3.0 L
Gearbox
Automatic
Power
349 bhp
Seats
4
CO2
174 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
Tiptronic
Engine badge
TFSI V6
Emissions standard
Euro 6

About this car

With 70,000 miles on the clock, this 2018 Audi S5 has done roughly 2,900 more miles than a typical 2018 Audi S5. Our estimated market asking price is £21,185. This car is advertised at £20,488, which is £697 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 340 Audi S5 cars across different ages and specifications. We have tracked this advert for 28 days. MOT records show an expiry date of 24 October 2026, and the latest recorded mileage is consistent with the advert. It is for sale at Junction 17 Cars Peterborough in Yaxley.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 September 2026, 28 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observedAsking price
22 September 2026£20,488
19 October 2026£20,488

Price and mileage comparison

Estimated market asking price: £21,185. The asking price is £697 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 340 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,900 miles higher than typical for a 2018 Audi S5.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 October 2026. 63,306 miles at the last test.

55 other cars with the same year, trim, gearbox and fuel are for sale from £14,990 to £25,990.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£14,990101,358 miles
£15,600104,147 miles
£15,750107,000 miles
£15,800102,000 miles
£16,00060,000 miles

These cars have covered 31,337–107,000 miles, compared with 70,000 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 S5 cars for sale · 2018 Audi S5 price guide

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Dealer

Junction 17 Cars Peterborough, Yaxley. Across the dealer network: 3 branches, 388 cars for sale.

Dealer postcode: PE7 3GP.

Dealer opening hours

Monday
09:00-18:00
Tuesday
09:00-18:00
Wednesday
09:00-18:00
Thursday
09:00-18:00
Friday
09:00-18:00
Saturday
09:00-18:00
Sunday
10:30-16:30

Vehicle photos