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2025 MG MG3 • Compare 607 used cars with valuation

Market overview: March-2026 Price Analysis: A used MG MG3 from 2025 currently costs between £14,245 and £18,440. On average, the mileage for this year stands at 3,790 miles. The depreciation and price trend over the last 12 months is -£2,240.

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Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 White Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£14,495

Fair price

Estimated price £14,353
BS34 6QB South Gloucestershire, Gloucestershire

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2024 Black Hatchback
2024
(2024) MG MG3 Trophy 194 HP
£13,795

Fair price

You save £5
BB11 1RY Lancashire, Lancashire

100 g CO2/km comb. - 194 HP (142 kW) - 64.2 Mpg

Carwow

New MG MG3 Trophy 194 HP (142 kW) 2025 White Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£16,450

Fair price

You save £550
CV32 6AT Royal Leamington Spa, Warwickshire

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,695

Fair price

Estimated price £14,738
SS156RW

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

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Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£14,995

Fair price

Estimated price £14,815
TQ12 6PP Devon, Devon

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2024 Metallic black pearl Hatchback
2024
(2024) MG MG3 Trophy 194 HP
£15,625

Fair price

Estimated price £15,355
BS22 8NA North Somerset, Somerset

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2024 Red Hatchback
2024
(2024) MG MG3 Trophy 194 HP
£14,682

Fair price

Estimated price £14,510
PR7 1NF Lancashire, Lancashire

100 g CO2/km comb. - 194 HP (142 kW) - 64.2 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 White Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,400

Fair price

Estimated price £15,283
DD2 4SU Dundee City Council, Dundee

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

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Carwow Leasing

New MG MG3 Trophy 194 HP (142 kW) 2025 Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£17,995

Fair price

Estimated price £17,032
HP19 8BY Buckinghamshire, Buckinghamshire

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 SE 116 HP (85 kW) 2025 Grey Hatchback
2025
(2025) MG MG3 SE 116 HP
£13,350

Good price

You save £1,250
DL1 1RJ Darlington, Durham

137 g CO2/km comb. - 116 HP (85 kW) - 6.1 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Blue Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,349

Fair price

Estimated price £14,970
SA7 9AG Llansamlet, West Glamorgan

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2024 Blue Hatchback
2024
(2024) MG MG3 Trophy 194 HP
£15,316

Fair price

Estimated price £15,275
WC1E 7DP Greater London, London

100 g CO2/km comb. - 194 HP (142 kW) - 64.0 Mpg

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Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Black Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,872

Fair price

Estimated price £15,198
PR7 1NF Lancashire, Lancashire

100 g CO2/km comb. - 194 HP (142 kW) - 64.2 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Black Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,340

Fair price

You save £60
WF2 7AW West Yorkshire, West Yorkshire

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

New MG MG3 Trophy 194 HP (142 kW) 2025 Blue Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£16,100

Fair price

Estimated price £15,500
SW17 0HB Greater London, London

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 SE 194 HP (142 kW) 2024 Black Hatchback
2024
(2024) MG MG3 SE 194 HP
£13,742

Fair price

You save £558
YO12 4HE North Yorkshire, North Yorkshire

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

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Verified Dealers

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Grey Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,199

Fair price

Estimated price £14,787
SA7 9AG Llansamlet, West Glamorgan

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow Leasing

New MG MG3 SE 116 HP (85 kW) 2025 Grey Hatchback
2025
(2025) MG MG3 SE 116 HP
£14,995

Fair price

Estimated price £14,766
DD2 4SU Dundee City Council, Dundee

137 g CO2/km comb. - 116 HP (85 kW) - 46.3 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,490

Fair price

Estimated price £14,926
LN2 4LD Lincolnshire, Lincolnshire

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

Carwow

Used MG MG3 Trophy 194 HP (142 kW) 2025 Black Hatchback
2025
(2025) MG MG3 Trophy 194 HP
£15,149

Fair price

Estimated price £14,706
SA7 9AG Llansamlet, West Glamorgan

100 g CO2/km comb. - 194 HP (142 kW) - 4.4 Mpg

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