2017 Vauxhall Astra GTC 1.4 i Turbo SRI

Price: £6,295. Fair price: £75 (1%) under the AskCar estimate of £6,370, our expected asking price for this car from its model, age, mileage and specification, drawing on 235 priced Vauxhall Astra GTC adverts on AskCar as of 6 November 2026.

AskCar lists 254 used Vauxhall Astra GTC from 205 UK dealerships, as of 6 November 2026.

Overview

  • Make: Vauxhall
  • Model: Astra GTC
  • Trim: SRI
  • Version: 1.4 i Turbo SRI Manual FWD Euro 6 (s/s) 3dr (138 bhp)
  • Year: 2017
  • Mileage: 33,000 miles
  • Fuel: Petrol
  • Body: Coupe, 3 doors, 5 seats
  • Engine: 1.4 litres, 138 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 142 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Vauxhall Astra GTC Sri is advertised with 33,000 miles, approximately 35,000 below the typical mileage for its age. Priced at £6,295, it is advertised £75 below the AskCar estimate of £6,370. The AskCar estimate uses UK dealer asking prices, including 235 Vauxhall Astra GTC adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 6 days ago, the asking price has dropped by £600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Coventry Sterling Motors, based in Coventry. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £75 (1%) under the AskCar estimate of £6,370.

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 235 priced Vauxhall Astra GTC adverts across different ages and specifications, as of 6 November 2026.

A 2017 Vauxhall Astra GTC with the 1.4 petrol engine is typically advertised at £5,000: the median of the 11 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2017 Vauxhall Astra GTC advertised 6 days ago.

Price history

AskCar first saw this advert on 31 October 2026 at £6,895. Its asking price is now £6,295, £600 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 31 October 2026: £6,895
  • 6 November 2026: £6,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 19 May 2027.

It failed its MOT on 11 May 2026 (offside front windscreen washer jets misaligned and not providing sufficient fluid to the windscreen) and passed 4 days later, on 15 May 2026.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge 2mm 235/45 r19 95h; rear brake pad(s) wearing thin.

Mileage at that test: 31,565 miles, which matches the advertised 33,000 miles.

Advertised mileage is about 35,000 miles lower than the median mileage of a 2017 Vauxhall Astra GTC on AskCar.

Similar cars

4 other 2017 Vauxhall Astra GTC SRI 1.4 petrol manual coupes are for sale at UK dealers, from £4,490 to £6,799, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2017 Vauxhall Astra GTC SRI, 1.4 petrol coupe, black. Mileage: 33,000 miles. Price: £6,799, £504 more than this car. Dealer: Carscene in Norwich. AskCar page: https://askcar.co.uk/car/vauxhall-astra-gtc-2017-6704876b61df
  • 2017 Vauxhall Astra GTC SRI, 1.4 petrol coupe, silver. Mileage: 51,841 miles. Price: £5,250, £1,045 less than this car. Dealer: Gorton Car Sale in Manchester. AskCar page: https://askcar.co.uk/car/vauxhall-astra-gtc-2017-98382c834aa0
  • 2017 Vauxhall Astra GTC SRI, 1.4 petrol coupe, grey. Mileage: 68,000 miles. Price: £4,490, £1,805 less than this car. Dealer: Car Nation in Peterborough. AskCar page: https://askcar.co.uk/car/vauxhall-astra-gtc-2017-6ecdc25caa32

Browse all Vauxhall Astra GTC cars for sale · 2017 Vauxhall Astra GTC price guide

More like this

Photos

24 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.