2018 MG MG3 1.5 VTi-TECH 3FORM Sport

Price: £5,698. Above the going rate: £568 (11%) over the AskCar estimate of £5,130, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,789 priced MG MG3 adverts on AskCar as of 4 November 2026.

AskCar lists 1,832 used MG MG3 from 663 UK dealerships, as of 4 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: 25,464 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 104 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 MG MG3 3Form Sport is advertised with 25,464 miles, approximately 18,500 below the typical mileage for its age. The AskCar estimate for this car is £5,130. It is priced at £5,698, which is £568 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,789 MG MG3 cars across different ages and specifications. It first appeared in our advert records 1 day ago. Our latest MOT record expired on 28 August 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Acar 2 Go in Aylesbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £568 (11%) over the AskCar estimate of £5,130.

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 1,789 priced MG MG3 adverts across different ages and specifications, as of 4 November 2026.

A 2018 MG MG3 with the 1.5 petrol engine is typically advertised at £6,000: the median of the 37 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 MG MG3 advertised 1 day ago. About half of 2018 MG MG3 cars are gone from sale within a month of being advertised: 24 of the 51 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £5,698. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 28 August 2026; ask the dealer for the current MOT.

It failed its MOT on 27 August 2025 (nearside front road wheel fixing missing) and passed 2 days later, on 29 August 2025.

There were no advisories at the latest test.

Mileage at that test: 22,260 miles, which matches the advertised 25,464 miles.

Advertised mileage is about 18,500 miles lower 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 £3,250 to £5,500, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, black. Mileage: 27,487 miles. Price: £5,490, £208 less than this car. Dealer: Driven Car Sales (Trade) in Billingham. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-f292436137ce
  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, yellow. Mileage: 40,646 miles. Price: £5,500, £198 less than this car. Dealer: The Car Centre Treforest in Pontypridd. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-d2d59b1888df
  • 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, white. Mileage: 42,000 miles. Price: £5,450, £248 less than this car. Dealer: PL Motors in Newtownabbey. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-799239128519
  • The nearest: 2018 MG MG3 3FORM Sport, 1.5 petrol hatchback, silver, 68 miles from this car. Mileage: 68,048 miles. Price: £3,494, £2,204 less than this car. Dealer: Motor Buying Group in Whiteley. AskCar page: https://askcar.co.uk/car/mg-mg3-2018-42168e4ea05f

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

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Photos

10 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.