2021 MG MG3

1.5 VTi Tech Exclusive NAV Manual FWD Euro 6 (s/s) 5dr (105 bhp)

£7,999

Fair price: within 8% of the typical £7,478 for this model, age and mileage, drawing on 1,745 adverts of this make and model.

Overview

Make: MG
Model: MG3
Trim: EXCLUSIVE NAV
Version: 1.5 VTi Tech Exclusive NAV Manual FWD Euro 6 (s/s) 5dr (105 bhp)
Mileage: 45,300 miles
Year: 2021
Fuel type: Petrol
Body type: Hatchback
Engine: 1.5 L
Gearbox: Manual
Power: 105 bhp
Seats: 5
CO2: 147 g/km
Colour: Yellow
Doors: 5
Driven wheels: Front Wheel Drive
Engine badge: VTi-TECH
Emissions standard: Euro 6

About this car

This 2021 MG MG3 Exclusive Nav is advertised with 45,300 miles, approximately 14,600 above the typical mileage for its age. Our estimated market asking price is £7,478. This car is advertised at £7,999, which is £521 above that figure. Our estimate draws on 1,745 MG MG3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 26 days ago. The latest recorded MOT expiry date is 9 November 2025, which has passed. Confirm its status with the dealer. The latest recorded MOT mileage is consistent with the advertised figure. It is advertised by Cheshire Automotive in Cheshire West and Chester, Frodsham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 26 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
25 September 2026	£7,999
20 October 2026	£7,999

Price and mileage comparison

Estimated market asking price: £7,478. The asking price is £521 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 1,745 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 14,600 miles higher than typical for a 2021 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 9 November 2025. 37,803 miles at the last test.

28 other cars with the same year, trim, gearbox and fuel are for sale from £5,395 to £9,799.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£5,395	116,900 miles
£6,490	65,097 miles
£6,850	73,000 miles
£7,000	41,227 miles
£7,489	28,902 miles

These cars have covered 4,500–116,900 miles, compared with 45,300 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 · 2021 MG MG3 price guide

Similar cars for less

Dealer

Cheshire Automotive, Cheshire West and Chester, Frodsham. Across the dealer network: 20 cars for sale.

Dealer postcode: WA6 0DA.