2018 MG MG3 1.5 VTi-TECH 3FORM Sport

Price: £3,250. Fair price: £264 (7%) under the AskCar estimate of £3,514, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,733 priced MG MG3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,784 used MG MG3 from 655 UK dealerships, as of 2 November 2026.

Overview

  • Make: MG
  • Model: MG3
  • Trim: 3FORM Sport
  • Version: 1.5 VTi Tech 3Form Sport Manual FWD Euro 6 (s/s) 5dr (104 bhp)
  • Year: 2018
  • Mileage: 82,700 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 104 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Yellow
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MG MG3 3Form Sport has covered 82,700 miles, around 37,500 more miles than is typical for its age. Priced at £3,250, it is advertised £264 below the AskCar estimate of £3,514. To work out the AskCar estimate, we analyse UK dealer adverts for 1,733 MG MG3 cars across different ages and specifications. We first recorded this advert 34 days ago, and its asking price has since fallen by £250. The government's MOT record matches its advertised mileage. You can find this car at NU2U Cars in Stowmarket. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £264 (7%) under the AskCar estimate of £3,514.

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 1,733 priced MG MG3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 MG MG3 with the 1.5 petrol engine is typically advertised at £6,000: the median of the 38 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 MG MG3 has been on sale for at least 34 days.

Price history

AskCar first saw this advert on 29 September 2026 at £3,500. Its asking price is now £3,250, £250 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 29 September 2026: £3,500
  • 23 October 2026: £3,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 May 2027.

It failed its MOT on 27 April 2026 (offside rear coil spring fractured or broken) and passed 10 days later, on 7 May 2026.

Advisories at the latest test: items removed from driver's view prior to test from internal mirror.

Mileage at that test: 82,115 miles, which matches the advertised 82,700 miles.

Advertised mileage is about 37,500 miles higher than the median mileage of a 2018 MG MG3 on AskCar.

Similar cars

9 other 2018 MG MG3 3FORM Sport 1.5 petrol manual hatchbacks are for sale at UK dealers, from £3,494 to £5,500, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, red. Mileage: 73,000 miles. Price: £3,499, £249 more than this car. Dealer: Bywater Car Centre in Castleford. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-ec96a0a532a1
  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, silver. Mileage: 68,048 miles. Price: £3,494, £244 more than this car. Dealer: Motor Buying Group in Whiteley. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-42168e4ea05f
  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, red. Mileage: 50,425 miles. Price: £3,793, £543 more than this car. Dealer: Novara in Glossop. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-2c9e9af2cb86
  • The nearest: 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white, 123 miles from this car. Mileage: 45,841 miles. Price: £4,750, £1,500 more than this car. Dealer: Nigel Geoffrey in Chesterfield. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-87e0aa926089

Browse all MG MG3 cars for sale · 2018 MG MG3 price guide

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Photos

53 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.