2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection SRI NAV

Price: £4,950. Fair price: £57 (1%) under the AskCar estimate of £5,007, 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: 1.6 CDTi ecoTEC BlueInjection SRI NAV Manual FWD Euro 6 (s/s) 5dr (108 bhp)
  • Year: 2018
  • Mileage: 81,326 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.6 litres, 108 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 91 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Astra Sri Nav has covered 81,326 miles, around 16,200 more miles than is typical for its age. The dealer is asking £4,950, which is £57 below the AskCar estimate of £5,007. To work out the AskCar estimate, we analyse UK dealer adverts for 3,837 Vauxhall Astra cars across different ages and specifications. We first recorded this car for sale 16 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Dean Smith Car Sales in Manchester. 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

Fair price: £57 (1%) under the AskCar estimate of £5,007.

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 1.6 diesel engine is typically advertised at £6,000: the median of the 132 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 £4,950. 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 14 February 2027.

It has had 6 MOTs. The latest, on 13 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 76,862 miles, which matches the advertised 81,326 miles.

Advertised mileage is about 16,200 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 £2,990 to £5,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 Vauxhall Astra SRI NAV, 1.6 diesel hatchback, blue. Mileage: 74,255 miles. Price: £5,490, £540 more than this car. Dealer: Swindon Vehicle Solutions in Swindon. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-a156a229d49d
  • 2018 Vauxhall Astra SRI NAV, 1.6 diesel hatchback, grey. Mileage: 70,559 miles. Price: £5,400, £450 more than this car. Dealer: Jojo Auto in Nottingham. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-e54778a4d8aa
  • 2018 Vauxhall Astra SRI NAV, 1.6 diesel hatchback, silver. Mileage: 70,260 miles. Price: £5,995, £1,045 more than this car. Dealer: Car Centre Northwich in Northwich. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-bac5ecd9be8d

Browse all Vauxhall Astra cars for sale · 2018 Vauxhall Astra price guide

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Photos

20 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.