2018 Vauxhall Insignia 2.0 i Turbo GSI NAV

Overview

• Make: Vauxhall
• Model: Insignia
• Trim: GSI NAV
• Version: 2.0 i Turbo GSI NAV Auto 4WD Euro 6 (s/s) 5dr Grand Sport (256 bhp)
• Year: 2018
• Mileage: 15,900 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 256 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Red
• CO2: 197 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Gsi Nav is advertised with 15,900 miles, approximately 55,300 below the typical mileage for its age. The AskCar estimate for this car is £17,791. It is priced at £21,995, which is £4,204 above that estimate. 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. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Bedford Specialist Cars, based in Bedford. 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

Above the going rate: £4,204 (23%) over the AskCar estimate of £17,791.

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 2.0 petrol engine is typically advertised at £7,700: the median of the 43 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. 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 £21,995. 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 19 April 2027.

It has had 5 MOTs. The latest, on 20 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 15,807 miles, which matches the advertised 15,900 miles.

Advertised mileage is about 55,300 miles lower than the median mileage of a 2018 Vauxhall Insignia on AskCar.