2015 Porsche 911

3.8 991 Carrera GTS PDK RWD Euro 6 (s/s) 2dr (424 bhp)

£89,948

Fair price: within 8% of the typical £87,356 for this model, age and mileage, drawing on 1,938 adverts of this make and model.

Overview

Make: Porsche
Model: 911
Trim: 991 CARRERA GTS
Version: 3.8 991 Carrera GTS PDK RWD Euro 6 (s/s) 2dr (424 bhp)
Mileage: 18,000 miles
Year: 2015
Fuel type: Petrol
Body type: Coupe
Engine: 3.8 L
Gearbox: Automatic
Power: 424 bhp
Seats: 4
CO2: 202 g/km
Colour: Black
Doors: 2
Driven wheels: Rear Wheel Drive
Gearbox version: PDK
Engine badge: 991 Carrera GTS
Emissions standard: Euro 6

About this car

The advertised mileage for this 2015 Porsche 911 991 Carrera Gts is 18,000 miles. Its asking price of £89,948 is £2,592 above our estimate of £87,356. The estimate uses 1,938 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 11 days. The advertised mileage is lower than the latest MOT reading of 18,601 miles. Ask the dealer to explain. Its MOT is recorded as valid until 17 August 2027. The seller is Imperials -Chelmsford, based in Chelmsford.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 11 October 2026, 11 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observed	Asking price
11 October 2026	£86,948
13 October 2026	£89,948
16 October 2026	£86,948
21 October 2026	£89,948

Price and mileage comparison

Estimated market asking price: £87,356. The asking price is £2,592 above 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 1,938 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 19,000 miles lower than typical for a 2015 Porsche 911.

Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.

MOT

MOT valid until 17 August 2027. 18,601 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £69,495 to £85,991.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£69,495	45,000 miles
£69,911	20,000 miles
£73,500	30,000 miles
£73,995	31,220 miles
£76,991	54,188 miles

These cars have covered 20,000–54,188 miles, compared with 18,000 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 Porsche 911 cars for sale · 2015 Porsche 911 price guide

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Dealer

Imperials -Chelmsford, Chelmsford. Across the dealer network: 97 cars for sale.

Dealer postcode: CM1 3SR.

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: 10:30-15:30