2018 Vauxhall Insignia 1.5 i Turbo SRI NAV

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: 67,900 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

With 67,900 miles on the clock, this 2018 Vauxhall Insignia Sri Nav has done roughly 3,300 fewer miles than a typical 2018 Vauxhall Insignia. Priced at £6,749, it is advertised £417 below the AskCar estimate of £7,166. The AskCar estimate uses 1,022 UK dealer adverts for the Vauxhall Insignia, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 98 days ago. Its asking price has since fallen by £250. The recorded MOT expired on 29 June 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Westside Autos in West Drayton. 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: £417 (5%) under the AskCar estimate of £7,166.

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 98 days.

Price history

AskCar first saw this advert on 30 July 2026 at £6,999. Its asking price is now £6,749, £250 less. The latest price cut was seen on 13 August 2026.

Price changes recorded:

• 31 July 2026: £6,999
• 10 August 2026: £6,849
• 13 August 2026: £6,749

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 29 June 2026; ask the dealer for the current MOT.

It failed its MOT on 31 July 2026 (nearside rear stop lamp(s) not working) and passed 1 day later, on 1 August 2026.

There were no advisories at the latest test.

Mileage at that test: 67,908 miles, which matches the advertised 67,900 miles.

Advertised mileage is about 3,300 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, silver. Mileage: 70,869 miles. Price: £7,295, £546 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, blue. Mileage: 73,600 miles. Price: £6,820, £71 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, white. Mileage: 57,995 miles. Price: £7,750, £1,001 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, 39 miles from this car. Mileage: 124,044 miles. Price: £4,002, £2,747 less than this car. Dealer: Horsepower Motor Centre in Tonbridge. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-ec50fb3bb224