2018 Vauxhall Astra 1.4 i Turbo SRI NAV
Price: £6,995. Fair price: £42 (under 1%) over the AskCar estimate of £6,953, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,837 priced Vauxhall Astra adverts on AskCar as of 5 November 2026.
AskCar lists 4,036 used Vauxhall Astra from 1,898 UK dealerships, as of 5 November 2026.
Overview
- Make: Vauxhall
- Model: Astra
- Trim: SRI NAV
- Version: 1.4 i Turbo SRI NAV Manual FWD Euro 6 5dr (148 bhp)
- Year: 2018
- Mileage: 50,048 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.4 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 128 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Vauxhall Astra Sri Nav is advertised with 50,048 miles, approximately 15,100 below the typical mileage for its age. The AskCar estimate for this car is £6,953. It is priced at £6,995, which is £42 above that estimate. The AskCar estimate uses UK dealer asking prices, including 3,837 Vauxhall Astra adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 16 days. Its advertised mileage matches the government's MOT record. The seller is Pentagon Derby, based in Derby. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £42 (under 1%) over the AskCar estimate of £6,953.
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 3,837 priced Vauxhall Astra adverts across different ages and specifications, as of 5 November 2026.
A 2018 Vauxhall Astra with the 1.4 petrol engine is typically advertised at £6,700: the median of the 136 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2018 Vauxhall Astra has been on sale for at least 16 days.
Price history
AskCar first saw this advert on 20 October 2026 at £6,995. 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 5 November 2026: valid until 29 June 2027.
It has had 6 MOTs. The latest, on 15 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 48,737 miles, which matches the advertised 50,048 miles.
Advertised mileage is about 15,100 miles lower than the median mileage of a 2018 Vauxhall Astra on AskCar.
Similar cars
17 other 2018 Vauxhall Astra SRI NAV 1.4 petrol manual hatchbacks are for sale at UK dealers, from £3,990 to £8,250, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2018 Vauxhall Astra SRI NAV, 1.4 petrol hatchback, red. Mileage: 50,160 miles. Price: £6,895, £100 less than this car. Dealer: Car & Cars in East Calder. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-115ac5e430e3
- 2018 Vauxhall Astra SRI NAV, 1.4 petrol hatchback, black. Mileage: 46,960 miles. Price: £7,695, £700 more than this car. Dealer: Ambient Motor Group in Nottingham. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-6f6bb08ba4b7
- 2018 Vauxhall Astra SRI NAV, 1.4 petrol hatchback, silver. Mileage: 46,800 miles. Price: £7,750, £755 more than this car. Dealer: Duncan Cars in Crawley. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-b5a839727594
Browse all Vauxhall Astra cars for sale · 2018 Vauxhall Astra price guide
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Photos
25 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.