2018 Vauxhall Insignia 1.5 i Turbo SRI

Price: £7,695. Fair price: £211 (2%) under the AskCar estimate of £7,906, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,030 priced Vauxhall Insignia adverts on AskCar as of 4 November 2026.

AskCar lists 1,120 used Vauxhall Insignia from 758 UK dealerships, as of 4 November 2026.

Overview

  • Make: Vauxhall
  • Model: Insignia
  • Trim: SRI
  • Version: 1.5 i Turbo SRI Manual FWD Euro 6 (s/s) 5dr Grand Sport (163 bhp)
  • Year: 2018
  • Mileage: 51,034 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 163 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Sri is advertised with 51,034 miles, approximately 19,600 below the typical mileage for its age. The dealer is asking £7,695, which is £211 below the AskCar estimate of £7,906. To work out the AskCar estimate, we analyse UK dealer adverts for 1,030 Vauxhall Insignia cars across different ages and specifications. We have tracked this advert for 49 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandhaven Car Sales, based in Durham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £211 (2%) under the AskCar estimate of £7,906.

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 1,030 priced Vauxhall Insignia adverts across different ages and specifications, as of 4 November 2026.

A 2018 Vauxhall Insignia with the 1.5 petrol engine is typically advertised at £8,000: the median of the 54 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Vauxhall Insignia has been on sale for at least 49 days.

Price history

AskCar first saw this advert on 16 September 2026 at £7,695. 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 4 November 2026: valid until 15 February 2027.

It has had 6 MOTs. The latest, on 27 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 46,839 miles, which matches the advertised 51,034 miles.

Advertised mileage is about 19,600 miles lower than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

4 other 2018 Vauxhall Insignia SRI 1.5 petrol manual hatchbacks are for sale at UK dealers, from £4,875 to £9,656, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Vauxhall Insignia SRI, 1.5 petrol hatchback, white. Mileage: 64,710 miles. Price: £6,994, £701 less than this car. Dealer: Saveonusedcars.Co.Uk in Scunthorpe. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-09da4788da9a
  • 2018 Vauxhall Insignia SRI, 1.5 petrol hatchback, grey. Mileage: 70,464 miles. Price: £6,495, £1,200 less than this car. Dealer: Canvey Trade Cars in Canvey Island. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-cbd232e925d5
  • 2018 Vauxhall Insignia SRI, 1.5 petrol hatchback, red. Mileage: 21,091 miles. Price: £9,656, £1,961 more than this car. Dealer: Drive Motor Retail drivedirect Hartlepool in Hartlepool. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-4327725e7a9d

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

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Photos

75 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.