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Used (2026) BMW 420 M Sport 180 HP | Fair price
4 Series i M Sport 2dr Step
- 2026
- 3,243 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- 180 HP (132 kW)
- Details
Fair price
£42,990
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2026 BMW 420 • Compare 38 used cars with valuation
Market overview: February Price Analysis: A used BMW 420 from 2026 currently costs between £23,699 and £54,398. On average, the mileage for this year stands at 15,267 miles. The depreciation and price trend over the last 12 months is £0.
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Price checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive
New
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 37,290 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£24,199
Not evaluated
WF105HX Castleford, West Yorkshire
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-7%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series Convertible i M Sport
- 2026
- 34,606 miles
- Trim level: M Sport
- Petrol
- Cabriolet
- Automatic
- 184 HP (135 kW)
- mpg: 6.8
- CO2: 154 g CO2/km comb.
- Details
£24,899
£26,999
Not evaluated
BB126EH Burnley, Lancashire
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-3%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 24,499 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£24,699
£25,549
Not evaluated
EH151BT
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New
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 19,074 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£29,164
£29,315
Not evaluated
TS183RB, Durham
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-2%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 33,891 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£25,649
£26,249
Not evaluated
G329QA
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-2%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 48,437 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£23,699
£24,249
Not evaluated
DH32BQ Birtley, Durham
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-6%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 30,943 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£25,449
£27,199
Not evaluated
PO29RN, Hampshire
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-1%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series Convertible i M Sport
- 2026
- 6,938 miles
- Trim level: M Sport
- Petrol
- Cabriolet
- Automatic
- 184 HP (135 kW)
- mpg: 6.8
- CO2: 154 g CO2/km comb.
- Details
£35,990
£36,490
Not evaluated
CT27PX, Kent
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-6%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 18,362 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£29,494
£31,490
Not evaluated
SO533YU, Hampshire
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-5%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 41,698 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£22,800
£24,000
Not evaluated
ME59QG, Kent
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-14%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 4,592 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£34,791
£40,522
Not evaluated
BA228RT, Somerset
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-5%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 42,142 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£27,700
£29,300
Not evaluated
SW170HB, London
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New
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 21,994 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£27,197
Not evaluated
HU130EG Hessle, East Yorkshire
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-1%
1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 41,752 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£27,197
£27,697
Not evaluated
PR22DF Preston, Lancashire
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New (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 10 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£47,282
Not evaluated
RH101TN, West Sussex
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1 /
4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series Convertible i M Sport
- 2026
- 12,799 miles
- Trim level: M Sport
- Petrol
- Cabriolet
- Automatic
- 184 HP (135 kW)
- mpg: 6.8
- CO2: 154 g CO2/km comb.
- Details
£34,094
£33,009
Not evaluated
DH11HP, Durham
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New (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 0 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£51,148
Not evaluated
DE214RZ Nottingham, Derbyshire
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3
Used (2026) BMW 420 M Sport 184 HP
- 4 Series i M Sport 2dr Step
- 2026
- 27,172 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.3
- CO2: 144 g CO2/km comb.
- Details
£24,200
Not evaluated
WD33RT Watford, Hertfordshire
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4
Used (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 20,920 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£28,245
£27,000
Not evaluated
B57AZ, West Midlands
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Verified Dealers
New (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 0 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£54,398
Not evaluated
ME207XB Nottingham, Kent
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New (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 0 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£50,423
Not evaluated
IP311SX Nottingham, Suffolk
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New (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 0 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£49,348
Not evaluated
DE214RZ Nottingham, Derbyshire
View the car
New (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 0 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£48,473
Not evaluated
LS126EG Nottingham, West Yorkshire
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New (2026) BMW 420 M Sport 184 HP
- 4 Series Gran Coupe i M Sport
- 2026
- 0 miles
- Trim level: M Sport
- Petrol
- Coupe
- Automatic
- 184 HP (135 kW)
- mpg: 6.6
- CO2: 153 g CO2/km comb.
- Details
£47,448
Not evaluated
TN23UE Nottingham, Kent
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Showing 1 - 25 of 38 results
Price checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive