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 Sports Tourer (163 bhp)
• Year: 2018
• Mileage: 47,968 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 163 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Sri Nav has covered 47,968 miles, around 23,200 fewer miles than is typical for its age. Priced at £8,790, it is advertised £344 below the AskCar estimate of £9,134. The AskCar estimate uses UK dealer asking prices, including 1,022 Vauxhall Insignia adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 15 days ago. Its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. It is advertised by SJS Motor Company Kent in Gillingham. 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: £344 (3%) under the AskCar estimate of £9,134.

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 15 days.

Price history

AskCar first saw this advert on 21 October 2026 at £8,990. Its asking price is now £8,790, £200 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 21 October 2026: £8,990
• 4 November 2026: £8,790

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 August 2027.

It failed its MOT on 3 August 2026 (nearside front tyre tread depth below requirements of 1.6mm 245/45R18) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 46,363 miles, which matches the advertised 47,968 miles.

Advertised mileage is about 23,200 miles lower than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

6 other 2018 Vauxhall Insignia SRI NAV 1.5 petrol manual estates are for sale at UK dealers, from £6,320 to £11,699, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol estate, black. Mileage: 48,000 miles. Price: £9,740, £950 more than this car. Dealer: Evans Halshaw Vauxhall Hull West in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-49d52f044be9
• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol estate, black. Mileage: 50,000 miles. Price: £9,775, £985 more than this car. Dealer: Cars Direct in Preston. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-47e90d58833d
• 2018 Vauxhall Insignia SRI NAV, 1.5 petrol estate, grey. Mileage: 32,888 miles. Price: £10,895, £2,105 more than this car. Dealer: Wallace Car Sales in Bolton. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-8feac0a7c492

• The nearest: 2018 Vauxhall Insignia SRI NAV, 1.5 petrol estate, blue, 14 miles from this car. Mileage: 94,302 miles. Price: £6,320, £2,470 less than this car. Dealer: Leigh Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-9ec88c984701