2018 MG MG3

1.5 VTi Tech 3Form Sport Manual FWD Euro 6 (s/s) 5dr (104 bhp)

£5,000

Fair price: within 8% of the typical £4,743 for this model, age and mileage, drawing on 1,728 adverts of this make and model.

Overview

Make
MG
Model
MG3
Trim
3FORM SPORT
Version
1.5 VTi Tech 3Form Sport Manual FWD Euro 6 (s/s) 5dr (104 bhp)
Mileage
40,646 miles
Year
2018
Fuel type
Petrol
Body type
Hatchback
Engine
1.5 L
Gearbox
Manual
Power
104 bhp
Seats
5
CO2
124 g/km
Colour
Yellow
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
VTi-TECH
Emissions standard
Euro 6

About this car

This 2018 MG MG3 3Form Sport is advertised with 40,646 miles, approximately 3,400 below the typical mileage for its age. Our estimated market asking price is £4,743. This car is advertised at £5,000, which is £257 above that figure. Our estimate draws on 1,728 MG MG3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 2 days ago. Our latest MOT record expired on 20 July 2026. Check the current position with the dealer. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. It is for sale at The Car Centre Treforest in Pontypridd.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 October 2026, 2 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observedAsking price
20 October 2026£5,000
21 October 2026£5,000

Price and mileage comparison

Estimated market asking price: £4,743. The asking price is £257 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 1,728 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,400 miles lower than typical for a 2018 MG MG3.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT not valid until 20 July 2026. 38,133 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £3,494 to £5,590.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£3,49468,048 miles
£3,50082,700 miles
£3,78579,558 miles
£3,99350,425 miles
£4,29947,038 miles

These cars have covered 19,167–82,700 miles, compared with 40,646 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.