2018 Vauxhall Astra GTC 1.4 i Turbo SRI
Price: £5,995. Fair price: £319 (5%) under the AskCar estimate of £6,314, 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 (118 bhp)
- Year: 2018
- Mileage: 48,000 miles
- Fuel: Petrol
- Body: Coupe, 3 doors, 5 seats
- Engine: 1.4 litres, 118 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 142 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Vauxhall Astra GTC Sri has covered 48,000 miles. The AskCar estimate for this car is £6,314. It is priced at £5,995, which is £319 below that estimate. The AskCar estimate draws on 235 Vauxhall Astra GTC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 122 days ago. The advertised mileage is lower than the latest MOT reading of 53,821 miles. Ask the dealer to explain. MOT records show an expiry date of 21 December 2026. The seller is Cars4You - Edinburgh West, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £319 (5%) under the AskCar estimate of £6,314.
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.
Time on sale
This 2018 Vauxhall Astra GTC has been on sale for at least 122 days.
Price history
AskCar first saw this advert on 7 July 2026 at £5,995. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 21 December 2026.
It failed its MOT on 20 December 2025 (service brake efficiency below requirements; front brakes imbalanced across an axle by more than 50% axle 1; rear brakes imbalanced across an axle axle 2) and passed 2 days later, on 22 December 2025.
There were no advisories at the latest test.
Mileage at that test: 53,821 miles. The advert says 48,000 miles, fewer than the MOT record, so ask the dealer which is right.
Similar cars
1 other 2018 Vauxhall Astra GTC SRI 1.4 petrol manual coupe is for sale at UK dealers, as of 6 November 2026.
The closest to this car in mileage:
- 2018 Vauxhall Astra GTC SRI, 1.4 petrol coupe, black. Mileage: 101,120 miles. Price: £3,999, £1,996 less than this car. Dealer: Carszo Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/vauxhall-astra-gtc-2018-45045387401a
Browse all Vauxhall Astra GTC cars for sale · 2018 Vauxhall Astra GTC price guide
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Photos
17 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.