2018 Audi S5

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

£15,800

Fair price: within 8% of the typical £16,817 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
102,000 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
Blue
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
Tiptronic
Engine badge
TFSI V6
Emissions standard
Euro 6

About this car

At 102,000 miles, this 2018 Audi S5 has covered about 34,900 more miles than other 2018 Audi S5 cars. The dealer is asking £15,800, which is £1,017 below our market estimate of £16,817. To estimate its market asking price, we analyse UK dealer adverts for 340 Audi S5 cars across different ages and specifications. The asking price is now £700 lower than when we first recorded the advert 128 days ago. Our latest MOT record expired on 15 October 2026. Check the current position with the dealer. Its advertised mileage is consistent with the latest recorded MOT reading. It is for sale at Indus Motors in Milton Keynes.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 June 2026, 128 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £700 from the first recorded £16,500. 4 price reductions recorded, the latest observed on 11 October 2026.

Recorded asking prices
Date observedAsking price
7 July 2026£16,500
18 July 2026£16,399
19 July 2026£16,399
4 September 2026£16,200
24 September 2026£16,000
11 October 2026£15,800
19 October 2026£15,800

Price and mileage comparison

Estimated market asking price: £16,817. The asking price is £1,017 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 34,900 miles higher than typical for a 2018 Audi S5.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 15 October 2026. 89,648 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
£16,00060,000 miles
£16,99094,355 miles

These cars have covered 31,337–107,000 miles, compared with 102,000 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

Indus Motors, Milton Keynes. Across the dealer network: 112 cars for sale.

Dealer postcode: MK17 9RD.

Dealer opening hours

Monday
08:00-17:00
Tuesday
08:00-17:00
Wednesday
08:00-17:00
Thursday
08:00-17:00
Friday
08:00-17:00
Saturday
08:30-17:00
Sunday
10:00-17:00

Vehicle photos