2018 Vauxhall Insignia 1.6 Turbo D ecoTEC BlueInjection SRI NAV

Overview

• Make: Vauxhall
• Model: Insignia
• Trim: SRI NAV
• Version: 1.6 Turbo D ecoTEC BlueInjection SRI NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport (134 bhp)
• Year: 2018
• Mileage: 100,991 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.6 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Sri Nav is advertised with 100,991 miles, approximately 29,800 above the typical mileage for its age. The dealer is asking £4,295, which is £659 below the AskCar estimate of £4,954. 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 115 days, and its asking price has been cut by £600. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Midlands Motor House, based in Brierley Hill. 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

Good value: £659 (13%) under the AskCar estimate of £4,954.

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 1.6 diesel engine is typically advertised at £6,000: the median of the 53 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 115 days, and its asking price has been cut by £600. 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 13 July 2026 at £4,895. Its asking price is now £4,295, £600 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 13 July 2026: £4,895
• 6 August 2026: £4,695
• 19 September 2026: £4,395
• 23 September 2026: £4,495
• 4 November 2026: £4,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 22 March 2027.

It failed its MOT on 19 March 2026 (front windscreen washer provides insufficient washer liquid; nearside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt; nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; and 3 more.

Mileage at that test: 96,620 miles, which matches the advertised 100,991 miles.

Advertised mileage is about 29,800 miles higher than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

6 other 2018 Vauxhall Insignia SRI NAV 1.6 diesel manual hatchbacks are for sale at UK dealers, from £4,395 to £7,495, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Vauxhall Insignia SRI NAV, 1.6 diesel hatchback, silver. Mileage: 104,000 miles. Price: £4,395, £100 more than this car. Dealer: Fine Motors in Leicester. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2406b43d063e
• 2018 Vauxhall Insignia SRI NAV, 1.6 diesel hatchback, black. Mileage: 91,050 miles. Price: £5,750, £1,455 more than this car. Dealer: Cars4You - Edinburgh West in Edinburgh. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-f946a8bef068
• 2018 Vauxhall Insignia SRI NAV, 1.6 diesel hatchback, black. Mileage: 83,000 miles. Price: £7,495, £3,200 more than this car. Dealer: R & S Car Sales in Perth. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-60561854d62a