2018 MG MG3

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

£3,494

Good value: £484 under the typical £3,978 for this model, age and mileage, drawing on 1,769 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: 68,048 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: Silver
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: VTi-TECH
Emissions standard: Euro 6

About this car

This 2018 MG MG3 3Form Sport has covered 68,048 miles, around 23,400 more than typical for its age. At £3,494, it is advertised £484 below our estimated market asking price of £3,978. The estimate uses 1,769 UK dealer adverts for the MG MG3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 109 days ago. MOT records show an expiry date of 24 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Motor Buying Group, based in Fareham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 3 July 2026, 109 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observed	Asking price
4 July 2026	£3,494
10 July 2026	£3,494
19 October 2026	£3,494

Price and mileage comparison

Estimated market asking price: £3,978. The asking price is £484 below 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 1,769 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 23,400 miles higher than typical for a 2018 MG MG3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 April 2027. 66,352 miles at the last test.

9 other cars with the same year, trim, gearbox and fuel are for sale from £3,500 to £5,590.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£3,500	82,700 miles
£3,795	71,398 miles
£3,993	50,425 miles
£4,299	47,038 miles
£4,490	43,948 miles

These cars have covered 19,167–82,700 miles, compared with 68,048 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

Dealer

Motor Buying Group, Fareham. Across the dealer network: 62 cars for sale.

Dealer postcode: PO15 7AZ.

Dealer opening hours

Monday: 09:00-17:00
Tuesday: 09:00-17:00
Wednesday: 09:00-17:00
Thursday: 09:00-17:00
Friday: 09:00-17:00
Saturday: 09:00-12:00
Sunday: 09:00-12:00