2018 Vauxhall Insignia 1.5 i Turbo SRI NAV

Price: £6,820. Fair price: £8 (under 1%) over the AskCar estimate of £6,812, 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: 73,600 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 Nav is advertised with 73,600 miles, approximately 2,400 above the typical mileage for its age. The AskCar estimate for this car is £6,812. It is priced at £6,820, which is £8 above that estimate. The AskCar estimate draws on 1,022 Vauxhall Insignia adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 30 days ago. Its asking price has since fallen by £390. The government's MOT record matches its advertised mileage. It is advertised by Evans Halshaw Ford East Kilbride in Glasgow. 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: £8 (under 1%) over the AskCar estimate of £6,812.

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

This 2018 Vauxhall Insignia has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 6 October 2026 at £7,210. Its asking price is now £6,820, £390 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 6 October 2026: £7,210
  • 7 October 2026: £7,220
  • 21 October 2026: £6,960
  • 27 October 2026: £6,820

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 September 2027.

It has had 7 MOTs. The latest, on 15 September 2026, passed.

Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened; front sub-frame modified but not seriously weakened.

Mileage at that test: 73,420 miles, which matches the advertised 73,600 miles.

Advertised mileage is about 2,400 miles higher 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, silver. Mileage: 70,869 miles. Price: £7,295, £475 more than this car. Dealer: Kirby Vehicle Sales in Barnsley. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-460ef8f62788
  • 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, grey. Mileage: 67,900 miles. Price: £6,749, £71 less than this car. Dealer: Westside Autos in West Drayton. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-48cfefd604ec
  • 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, white. Mileage: 57,995 miles. Price: £7,750, £930 more than this car. Dealer: LuxCarz in St Helens. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-738710bc128b
  • The nearest: 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, grey, 114 miles from this car. Mileage: 57,616 miles. Price: £7,500, £680 more than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-6592666c8e95

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

More like this

Photos

10 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.