2018 Vauxhall Insignia 1.5 i Turbo SRI NAV

Price: £7,500. Fair price: £319 (4%) under the AskCar estimate of £7,819, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,022 priced Vauxhall Insignia adverts on AskCar as of 5 November 2026.

AskCar lists 1,115 used Vauxhall Insignia from 756 UK dealerships, as of 5 November 2026.

Overview

  • Make: Vauxhall
  • Model: Insignia
  • Trim: SRI NAV
  • Version: 1.5 i Turbo SRI NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport (163 bhp)
  • Year: 2018
  • Mileage: 57,616 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 163 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Sri Nav has covered 57,616 miles, around 13,600 fewer miles than is typical for its age. Its asking price of £7,500 is £319 below the AskCar estimate of £7,819. To work out the AskCar estimate, we analyse UK dealer adverts for 1,022 Vauxhall Insignia cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 161 days, and its asking price is down £490. The government's MOT record matches its advertised mileage. It is for sale at M.m.r Motor Group in Newcastle Upon Tyne. 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: £319 (4%) under the AskCar estimate of £7,819.

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 1,022 priced Vauxhall Insignia adverts across different ages and specifications, as of 5 November 2026.

A 2018 Vauxhall Insignia with the 1.5 petrol engine is typically advertised at £8,300: the median of the 51 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2018 Vauxhall Insignia has been on sale for at least 161 days, and its asking price has been cut by £490. About 6 in 10 of 2018 Vauxhall Insignia cars are gone from sale within a month of being advertised: 136 of the 244 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £7,990. Its asking price is now £7,500, £490 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 28 May 2026: £7,990
  • 2 June 2026: £8,190
  • 23 September 2026: £7,950
  • 25 September 2026: £7,900
  • 9 October 2026: £8,000
  • 22 October 2026: £7,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 16 June 2027.

It has had 7 MOTs. The latest, on 17 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 54,460 miles, which matches the advertised 57,616 miles.

Advertised mileage is about 13,600 miles lower than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

7 other 2018 Vauxhall Insignia SRI NAV 1.5 petrol manual hatchbacks are for sale at UK dealers, from £4,002 to £7,998, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, white. Mileage: 57,995 miles. Price: £7,750, £250 more than this car. Dealer: LuxCarz in St Helens. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-738710bc128b
  • 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, red. Mileage: 52,000 miles. Price: £7,998, £498 more than this car. Dealer: Arnold Clark Aberdeen MG in Aberdeen. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-866ca475dd1f
  • 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, grey. Mileage: 67,900 miles. Price: £6,749, £751 less than this car. Dealer: Westside Autos in West Drayton. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-48cfefd604ec
  • The nearest: 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, silver, 105 miles from this car. Mileage: 70,869 miles. Price: £7,295, £205 less than this car. Dealer: Kirby Vehicle Sales in Barnsley. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-460ef8f62788

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

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Photos

64 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.