2018 Vauxhall Astra 1.4 i Turbo SRI NAV

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: 40,000 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

At 40,000 miles, this 2018 Vauxhall Astra Sri Nav has covered about 25,100 fewer miles than other 2018 Vauxhall Astra cars. Priced at £6,495, it is advertised £936 below the AskCar estimate of £7,431. To work out the AskCar estimate, we analyse UK dealer adverts for 3,837 Vauxhall Astra cars across different ages and specifications. Since we first spotted the advert 41 days ago, the asking price has dropped by £500. The recorded MOT expired on 30 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Gems Cars, based in Harlow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £936 (12%) under the AskCar estimate of £7,431.

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 41 days.

Price history

AskCar first saw this advert on 25 September 2026 at £6,995. Its asking price is now £6,495, £500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 25 September 2026: £6,995
• 14 October 2026: £6,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It failed its MOT on 30 October 2025 (offside front tyre tread depth below requirements of 1.6mm) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 38,577 miles, which matches the advertised 40,000 miles.

Advertised mileage is about 25,100 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, blue. Mileage: 40,944 miles. Price: £8,250, £1,755 more than this car. Dealer: Whitegate Motors in Burnley. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-2c3e81d7df54
• 2018 Vauxhall Astra SRI NAV, 1.4 petrol hatchback, black. Mileage: 37,718 miles. Price: £7,495, £1,000 more than this car. Dealer: Longton Motors in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-f979037286fb
• 2018 Vauxhall Astra SRI NAV, 1.4 petrol hatchback, blue. Mileage: 35,000 miles. Price: £7,995, £1,500 more than this car. Dealer: Albert Abbott Motors in Northampton. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-9df4afa58e86

• The nearest: 2018 Vauxhall Astra SRI NAV, 1.4 petrol hatchback, silver, 47 miles from this car. Mileage: 46,800 miles. Price: £7,750, £1,255 more than this car. Dealer: Duncan Cars in Crawley. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-b5a839727594