2018 Vauxhall Insignia 1.6 Turbo D ecoTEC Design NAV

Price: £3,775. Fair price: £132 (3%) over the AskCar estimate of £3,643, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,032 priced Vauxhall Insignia adverts on AskCar as of 6 November 2026.

AskCar lists 1,124 used Vauxhall Insignia from 760 UK dealerships, as of 6 November 2026.

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: 121,600 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.6 litres, 108 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 105 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Vauxhall Insignia Design Nav is advertised with 121,600 miles, approximately 49,000 above the typical mileage for its age. The dealer is asking £3,775, which is £132 above the AskCar estimate of £3,643. To work out the AskCar estimate, we analyse UK dealer adverts for 1,032 Vauxhall Insignia cars across different ages and specifications. We first recorded this advert 84 days ago, and its asking price has since fallen by £215. The latest recorded MOT expiry date is 8 October 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. You can find this car at DSR Autocare in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £132 (3%) over the AskCar estimate of £3,643.

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 1,032 priced Vauxhall Insignia adverts across different ages and specifications, as of 6 November 2026.

A 2018 Vauxhall Insignia with the 1.6 diesel engine is typically advertised at £6,000: the median of the 52 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Vauxhall Insignia has been on sale for at least 84 days.

Price history

AskCar first saw this advert on 14 August 2026 at £3,990. Its asking price is now £3,775, £215 less. The latest price cut was seen on 2 October 2026.

Price changes recorded:

  • 14 August 2026: £3,990
  • 19 September 2026: £4,090
  • 2 October 2026: £3,775

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 8 October 2026; ask the dealer for the current MOT.

It has had 8 MOTs. The latest, on 9 October 2025, passed.

Advisories at the latest test: front brake disc worn, but not excessively; rear brake disc worn, but not excessively; offside front drive shaft joint constant velocity boot severely deteriorated; and 1 more.

Mileage at that test: 113,648 miles, which matches the advertised 121,600 miles.

Advertised mileage is about 49,000 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 £3,000 to £5,390, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 120,000 miles. Price: £3,490, £285 less 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, £175 more than this car. Dealer: Fengate Motors in Fengate. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-2e0118ebd079
  • 2018 Vauxhall Insignia Design NAV, 1.6 diesel hatchback, grey. Mileage: 100,000 miles. Price: £4,399, £624 more than this car. Dealer: Indus Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/vauxhall-insignia-2018-3fd2999bfbfe

Browse all Vauxhall Insignia cars for sale · 2018 Vauxhall Insignia price guide

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Photos

384 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.