2018 Vauxhall Insignia 1.6 Turbo D ecoTEC Design NAV

Overview

• Make: Vauxhall
• Model: Insignia
• Trim: Design NAV
• Version: 1.6 Turbo D ecoTEC Design NAV Manual FWD Euro 6 (s/s) 5dr Grand Sport (108 bhp)
• Year: 2018
• Mileage: 144,182 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.6 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 105 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Design Nav has covered 144,182 miles, around 73,000 more miles than is typical for its age. Its asking price of £3,000 is £36 below the AskCar estimate of £3,036. 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 81 days, and its asking price is down £100. Its advertised mileage matches the government's MOT record. You can find this car at SMJ Motors in Brentwood. 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: £36 (1%) under the AskCar estimate of £3,036.

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 81 days, and its asking price has been cut by £100. 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 16 August 2026 at £3,100. Its asking price is now £3,000, £100 less. The latest price cut was seen on 21 August 2026.

Price changes recorded:

• 16 August 2026: £3,100
• 21 August 2026: £3,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 26 April 2027.

It has had 6 MOTs. The latest, on 24 April 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 143,207 miles, which matches the advertised 144,182 miles.

Advertised mileage is about 73,000 miles higher than the median mileage of a 2018 Vauxhall Insignia on AskCar.

Similar cars

5 other 2018 Vauxhall Insignia Design NAV 1.6 diesel manual hatchbacks are for sale at UK dealers, from £3,490 to £5,390, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 121,600 miles. Price: £3,775, £775 more than this car. Dealer: DSR Autocare in Leicester. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2637498f5eca
• 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 120,000 miles. Price: £3,490, £490 more than this car. Dealer: Drivehub Cambs in Peterborough. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-b11546e17582
• 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, red. Mileage: 109,000 miles. Price: £3,950, £950 more than this car. Dealer: Fengate Motors in Fengate. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2e0118ebd079

• The nearest: 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey, 47 miles from this car. Mileage: 100,000 miles. Price: £4,500, £1,500 more than this car. Dealer: Indus Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-3fd2999bfbfe