2018 Vauxhall Insignia 1.5 i Turbo SRI NAV

Overview

• Make: Vauxhall
• Model: Insignia
• Trim: SRI NAV
• Version: 1.5 i Turbo GPF SRI NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport (163 bhp)
• Year: 2018
• Mileage: 83,223 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 163 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 83,223 miles on the clock, this 2018 Vauxhall Insignia Sri Nav has done roughly 9,700 more miles than a typical 2018 Vauxhall Insignia. Priced at £6,200, it is advertised £136 below the AskCar estimate of £6,336. The AskCar estimate uses UK dealer asking prices, including 993 Vauxhall Insignia adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. Its advertised mileage matches the government's MOT record. It is for sale at Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £136 (2%) under the AskCar estimate of £6,336.

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 993 priced Vauxhall Insignia adverts across different ages and specifications, as of 10 November 2026.

A 2018 Vauxhall Insignia with the 1.5 petrol engine is typically advertised at £8,000: the median of the 50 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2018 Vauxhall Insignia advertised today. About 6 in 10 of 2018 Vauxhall Insignia cars are gone from sale within a month of being advertised: 141 of the 256 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £6,200. 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 10 November 2026: valid until 8 November 2027.

It failed its MOT on 20 October 2026 (nearside front tyre tread depth below requirements of 1.6mm; 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: 83,121 miles, which matches the advertised 83,223 miles.

Advertised mileage is about 9,700 miles higher than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

6 other 2018 Vauxhall Insignia SRI NAV 1.5 petrol manual hatchbacks are for sale at UK dealers, from £4,002 to £7,750, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, blue. Mileage: 73,600 miles. Price: £6,820, £620 more than this car. Dealer: Evans Halshaw Ford East Kilbride in East Kilbride. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-c25dc9bfd205
• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol hatchback, silver. Mileage: 70,869 miles. Price: £7,295, £1,095 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, £549 more than this car. Dealer: Westside Autos in West Drayton. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-48cfefd604ec