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2026 MG MG3 • Compare 9 used cars with valuation

Market overview: January Price Analysis: A used MG MG3 from 2026 currently costs between £15,498 and £21,790. On average, the mileage for this year stands at 54 miles. The depreciation and price trend over the last 12 months is £0.

Featured deals

Carwow

Metallic black pearl Used 2025 MG MG3 Trophy Hatchback | £15,500 (Fair price)
MG MG3
£15,500

Fair price

You save £100
DL11RJ Darlington, Durham

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

Carwow

Solid arctic white Used 2024 MG MG3 Trophy Hatchback | £14,879 (Fair price)
MG MG3
£14,879

Fair price

You save £521
LN24LD Lincoln, Lincolnshire

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

Carwow

Metallic hampstead grey Used 2024 MG MG3 Trophy Hatchback | £14,138 (Fair price)
MG MG3
£14,138

Fair price

You save £662
NG72SZ Nottingham, Nottinghamshire

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

Carwow

Red Used 2024 MG MG3 Trophy Hatchback | £14,682 (Fair price)
MG MG3
£14,682

Fair price

You save £818
PR71NF, Lancashire

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

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

New
1 / 4

New (2026) MG MG3 Trophy | Fair price

  • 2026
  • 0 miles
  • Trim level: Trophy
  • 1.5L Electric/Petrol
  • Hatchback
  • Automatic
  • Details
autouncle-certified

Fair price

£17,499
Marketplace
KT17 1DH Epsom, Surrey
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Availability verified
New

New (2026) MG MG3 SE 115 HP | Fair price

  • 2026
  • 10 miles
  • Trim level: SE
  • 1.5L Petrol
  • Hatchback
  • Manual
  • 115 HP (84 kW)
  • mpg: 46.3
  • CO2: 137 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£15,498
Dealer
KY1 3LT Kirkcaldy
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Availability verified
New

New (2026) MG MG3 SE 115 HP | Fair price

  • 2026
  • 10 miles
  • Trim level: SE
  • 1.5L Petrol
  • Hatchback
  • Manual
  • 115 HP (84 kW)
  • mpg: 46.3
  • CO2: 137 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£15,998
Dealer
G64 2AL Bishopbriggs
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Availability verified
New

New (2026) MG MG3 SE 115 HP | Fair price

  • 2026
  • 7 miles
  • Trim level: SE
  • 1.5L Petrol
  • Hatchback
  • Manual
  • 115 HP (84 kW)
  • mpg: 46.3
  • CO2: 137 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£15,998
Dealer
PA1 2BH Paisley
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Availability verified
New

New (2026) MG MG3 SE 115 HP | Fair price

  • 2026
  • 0 miles
  • Trim level: SE
  • 1.5L Petrol
  • Hatchback
  • Manual
  • 115 HP (84 kW)
  • mpg: 46.3
  • CO2: 137 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£15,498
Dealer
PA1 2BH Paisley
View the car
Availability verified
New

New (2026) MG MG3 SE 115 HP | Fair price

  • 2026
  • 0 miles
  • Trim level: SE
  • 1.5L Petrol
  • Hatchback
  • Manual
  • 115 HP (84 kW)
  • mpg: 46.3
  • CO2: 137 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£15,498
Dealer
KY1 3LT Kirkcaldy
View the car
Availability verified
-2%
1 / 4

New (2026) MG MG3 Trophy | A bit pricey

  • 2026
  • 0 miles
  • Trim level: Trophy
  • 1.5L Electric/Petrol
  • Hatchback
  • Automatic
  • Details
autouncle-certified

A bit pricey

£18,899
£19,399
Marketplace
KT17 1DH Epsom, Surrey
View the car
Availability verified
-2%
1 / 4

New (2026) MG MG3 Trophy | A bit pricey

  • 2026
  • 0 miles
  • Trim level: Trophy
  • 1.5L Electric/Petrol
  • Hatchback
  • Automatic
  • Details
autouncle-certified

A bit pricey

£19,049
£19,549
Marketplace
KT17 1DH Epsom, Surrey
View the car
Availability verified
1 / 4

New (2026) MG MG3 SE | A bit pricey

  • 2026
  • 500 miles
  • Trim level: SE
  • 1.5L Petrol
  • Hatchback
  • Manual
  • Details
autouncle-certified

A bit pricey

£15,995
Marketplace
BT34 2PF Newry
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Availability verified
New

New (2026) MG MG3 Trophy | Expensive

  • 2026
  • 10 miles
  • Trim level: Trophy
  • 1.5L Electric/Petrol
  • Hatchback
  • Automatic
  • Details
autouncle-certified

Expensive

£21,790
Marketplace
B90 4BA Solihull, West Midlands
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Availability verified

Featured deals

Carwow

Silver New 2025 MG MG3 Trophy Hatchback | £17,995 (Fair price)
MG MG3 1.5 Hybrid Trophy 5dr Auto
£17,995

Fair price

Estimated price £17,464
S403BD, Derbyshire

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

Carwow

Red Used 2025 MG MG3 Trophy Hatchback | £16,200 (Fair price)
MG MG3 1.5 Hybrid Trophy 5dr Auto
£16,200

Fair price

You save £200
DD24SU Dundee

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

Carwow

Black Used 2025 MG MG3 Trophy Hatchback | £15,912 (Fair price)
MG MG3
£15,912

Fair price

You save £288
FY42RP, Lancashire

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

Carwow

Metallic hampstead grey Used 2024 MG MG3 Trophy Hatchback | £14,001 (Fair price)
MG MG3
£14,001

Fair price

You save £699
NG72SZ Nottingham, Nottinghamshire

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

Showing 1 - 10 of 10 results
autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive