2018 Vauxhall Astra 1.6 CDTi BlueInjection SRI NAV
Price: £2,990. Good value: £772 (20%) under the AskCar estimate of £3,762, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,804 priced Vauxhall Astra adverts on AskCar as of 2 November 2026.
AskCar lists 4,017 used Vauxhall Astra from 1,907 UK dealerships, as of 2 November 2026.
Overview
- Make: Vauxhall
- Model: Astra
- Trim: SRI NAV
- Version: 1.6 CDTi BlueInjection SRI NAV Manual FWD Euro 6 (s/s) 5dr (134 bhp)
- Year: 2018
- Mileage: 114,000 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.6 litres, 134 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Silver
- CO2: 103 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Vauxhall Astra Sri Nav is advertised with 114,000 miles, approximately 48,900 above the typical mileage for its age. Priced at £2,990, it is advertised £772 below the AskCar estimate of £3,762. The AskCar estimate uses UK dealer asking prices, including 3,804 Vauxhall Astra adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 33 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at Autoway Bristol in Bristol, City of. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £772 (20%) under the AskCar estimate of £3,762.
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 3,804 priced Vauxhall Astra adverts across different ages and specifications, as of 2 November 2026.
A 2018 Vauxhall Astra with the 1.6 diesel engine is typically advertised at £6,000: the median of the 130 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 Vauxhall Astra has been on sale for at least 33 days.
Price history
AskCar first saw this advert on 30 September 2026 at £3,490. Its asking price is now £2,990, £500 less. The latest price cut was seen on 22 October 2026.
Price changes recorded:
- 30 September 2026: £3,490
- 22 October 2026: £2,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 January 2027.
It has had 7 MOTs. The latest, on 22 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 108,121 miles, which matches the advertised 114,000 miles.
Advertised mileage is about 48,900 miles higher than the median mileage of a 2018 Vauxhall Astra on AskCar.
Similar cars
5 other 2018 Vauxhall Astra SRI NAV 1.6 diesel manual hatchbacks are for sale at UK dealers, from £3,490 to £5,995, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Vauxhall Astra SRI NAV, 1.6 diesel hatchback, white. Mileage: 105,000 miles. Price: £3,490, £500 more than this car. Dealer: AJ Motor Hub in Peterborough. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-f98a0c4ac6b8
- 2018 Vauxhall Astra SRI NAV, 1.6 diesel hatchback, silver. Mileage: 81,326 miles. Price: £4,950, £1,960 more than this car. Dealer: Dean Smith Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-c8218031dd14
- 2018 Vauxhall Astra SRI NAV, 1.6 diesel hatchback, blue. Mileage: 74,255 miles. Price: £5,490, £2,500 more than this car. Dealer: Swindon Vehicle Solutions in Swindon. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-a156a229d49d
Browse all Vauxhall Astra cars for sale · 2018 Vauxhall Astra price guide
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Photos
58 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.