2025 BMW 840 • Compare 29 used cars with valuation

Market overview: March-2026 Price Analysis: A used BMW 840 from 2025 currently costs between £36,437 and £69,995. On average, the mileage for this year stands at 10,657 miles. The depreciation and price trend over the last 12 months is -£21,880.

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Carwow

2024

(2024) BMW 840 M Sport 333 HP

£44,650

Good price

You save £3,450

CM1 3BH Essex, Essex

191 g CO2/km comb. - 333 HP (244 kW) - 8.3 Mpg

Carwow

2025

(2025) BMW 840 M Sport 333 HP

£44,691

Fair price

Estimated price £44,236

SO533YU

195 g CO2/km comb. - 333 HP (244 kW) - 8.5 Mpg

Carwow

2025

(2025) BMW 840 M Sport 333 HP

£42,990

Good price

You save £2,610

TN12 5HD East Peckham, Kent

195 g CO2/km comb. - 333 HP (244 kW) - 8.5 Mpg

Carwow

2025

(2025) BMW 840 M Sport 333 HP

£41,693

Good price

You save £3,307

SO53 3YU Cross Rise, Hampshire

195 g CO2/km comb. - 333 HP (244 kW) - 8.5 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

1 / 4

Used (2025) BMW 840 M Sport 333 HP | Super price

- 8 Series Gran Coupe i M Sport

2025
33,926 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 8.5
Details

Super price

£36,437

£35,990

TA66DD

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Availability verified

-4%

1 / 4

Used (2025) BMW 840 M Sport 333 HP | Super price

- 8 Series Gran Coupe i M Sport

2025
50,758 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 8.5
Details

Super price

£35,220

£36,955

BB1 3NU Lancashire, Lancashire

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Availability verified

-6%

1 / 4

Used (2025) BMW 840 M Sport 333 HP | Good price

- 8 Series Convertible i M Sport

2025
20,980 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 8.5
Details

Good price

£42,990

£45,900

TN12 5HD East Peckham, Kent

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Availability verified

-1%

1 / 4

Used (2025) BMW 840 M Sport 333 HP | Good price

- 8 Series Gran Coupe i M Sport

2025
23,346 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 8.5
Details

Good price

£41,693

£42,490

SO53 3YU Cross Rise, Hampshire

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Carwow

2025

(2025) BMW 840 M Sport 333 HP

£41,590

Super price

You save £5,910

CT2 7PX Kent, Kent

191 g CO2/km comb. - 333 HP (244 kW) - 8.3 Mpg

Carwow

2025

(2025) BMW 840 M Sport 333 HP

£36,437

Super price

You save £6,363

TA66DD

195 g CO2/km comb. - 333 HP (244 kW) - 8.5 Mpg

Carwow

2025

(2025) BMW 840 M Sport 333 HP

£35,220

Super price

You save £3,980

BB1 3NU Lancashire, Lancashire

195 g CO2/km comb. - 333 HP (244 kW) - 8.5 Mpg

Carwow

2023

(2023) BMW M2 Shadowline 460 HP

£52,490

Fair price

Estimated price £51,735

TN12 5HD East Peckham, Kent

228 g CO2/km comb. - 460 HP (338 kW) - 28.0 Mpg

1 / 4

Used (2025) BMW 840 M Sport 333 HP | Super price

- 8 Series i M Sport 2dr Auto

2025
11,700 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 191 g CO2/km comb.
mpg: 8.3
Details

Super price

£41,590

CT2 7PX Kent, Kent

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1 / 4

New (2025) BMW 840 M Sport 328 HP | Super price

8 Series i M Sport Coupe 3.0

2025
32 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 190 g CO2/km comb.
mpg: 33.6
Details

Super price

£58,850

Bmw.co.uk

W1K 7TT Greater London, London

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1 / 4

Used (2025) BMW 840 M Sport 333 HP | Fair price

- 8 Series Gran Coupe i M Sport

2025
27,001 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 8.5
Details

Fair price

£44,691

£44,990

SO533YU

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Availability verified

1 / 4

New (2025) BMW 840 M Sport 328 HP | Fair price

8 Series i M Sport Gran Coupe 3.0

2025
100 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 33.2
Details

Fair price

£57,875

Bmw.co.uk

BN16 3FH Rustington, West Sussex

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-1%

1 / 4

Used (2025) BMW 840 M Sport 328 HP | Fair price

8 Series i M Sport Gran Coupe 3.0

2025
4,430 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 33.2
Details

Fair price

£49,950

£50,900

Bmw.co.uk

TR10 8AD Cornwall, Cornwall

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New

1 / 4

Used (2025) BMW 840 M Sport 328 HP | A bit pricey

8 Series i M Sport Gran Coupe 3.0

2025
3,182 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 33.2
Details

A bit pricey

£53,895

Bmw.co.uk

SP1 3YU Wiltshire, Wiltshire

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Carwow Leasing

Super price

221 g CO2/km comb. - 480 HP (353 kW) - 9.7 Mpg

Carwow

2023

(2023) BMW M2 M Performance 460 HP

£53,950

Fair price

Estimated price £52,719

WD25 9LA Hertfordshire, Hertfordshire

220 g CO2/km comb. - 460 HP (338 kW) - 9.7 Mpg

Carwow Leasing

Super price

229 g CO2/km comb. - 480 HP (353 kW) - 10.0 Mpg

Carwow Leasing

Good price

229 g CO2/km comb. - 480 HP (353 kW) - 10.0 Mpg

1 / 4

Used (2025) BMW 840 M Sport 328 HP | A bit pricey

8 Series i M Sport Gran Coupe 3.0

2025
12,148 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 33.2
Details

A bit pricey

£51,995

Bmw.co.uk

EX2 8FD Marsh Barton, Devon

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-1%

1 / 4

Used (2025) BMW 840 M Sport 328 HP | A bit pricey

8 Series i M Sport Coupe 3.0

2025
3,415 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 191 g CO2/km comb.
mpg: 33.6
Details

A bit pricey

£53,990

£54,990

Bmw.co.uk

BL3 2NB Greater Manchester, Manchester

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1 / 4

New (2025) BMW 840 M Sport 328 HP | A bit pricey

8 Series i M Sport Convertible 3.0

2025
23 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 196 g CO2/km comb.
mpg: 32.8
Details

A bit pricey

£67,500

Bmw.co.uk

W1K 7TT Greater London, London

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-3%

1 / 4

Used (2025) BMW 840 M Sport 333 HP | Expensive

- 8 Series i M Sport 2dr Auto

2025
48,866 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 191 g CO2/km comb.
mpg: 8.3
Details

Expensive

£43,444

£45,165

YO304WR, North Yorkshire

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Availability verified

-1%

1 / 4

Used (2025) BMW 840 M Sport 328 HP | Expensive

8 Series i M Sport Gran Coupe 3.0

2025
7,081 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 32.8
Details

Expensive

£55,995

£56,995

Motors.co.uk

BR1 2NE Greater London, London

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-5%

1 / 3

Used (2025) BMW 840 M Sport 328 HP | Expensive

8 Series i M Sport Gran Coupe 3.0

2025
2,665 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 33.2
Details

Expensive

£57,000

£60,000

Buyacar

Delivered to you

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1 / 4

Used (2025) BMW 840 M Sport 328 HP | Expensive

8 Series i M Sport 4dr Auto

2025
1,852 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 33.2
Details

Expensive

£57,500

£58,000

Motors.co.uk

PE30 4NA Norfolk, Norfolk

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-9%

1 / 4

Used (2025) BMW 840 M Sport 333 HP | Expensive

8 Series i M Sport 4dr Auto - 2025

Sep 2025
6,800 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 194 g CO2/km comb.
mpg: 33.2
Details

Expensive

£53,995

£59,495

Dealer

WC1E 7DP Greater London, London

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-4%

1 / 4

Used (2025) BMW 840 M Sport 328 HP | Expensive

8 Series i M Sport Coupe 3.0

2025
5,654 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 191 g CO2/km comb.
mpg: 33.6
Details

Expensive

£57,000

£59,750

Bmw.co.uk

B68 8DA West Midlands, West Midlands

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-5%

Used (2025) BMW 840 M Sport 328 HP | Expensive

8 Series Gran Coupe i M Sport 4dr

2025
4,069 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
Details

Expensive

£53,895

£56,990

Buyacar

Delivered to you

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Carwow Leasing

2026

(2026) BMW M2 480 HP

£69,925

Fair price

Estimated price £68,829

S92RQ

221 g CO2/km comb. - 480 HP (353 kW) - 9.7 Mpg

Carwow Leasing

2026

(2026) BMW M2 480 HP

£69,950

Fair price

Estimated price £68,914

SY14AQ

229 g CO2/km comb. - 480 HP (353 kW) - 10.0 Mpg

Carwow

2024

(2024) BMW M2 Shadowline 460 HP

£50,724

Fair price

Estimated price £50,103

NE36 0BQ West Boldon, Tyne And Wear

220 g CO2/km comb. - 460 HP (338 kW) - 29.0 Mpg

Carwow

2023

(2023) BMW M4 Competition Edition 510 HP

£54,990

Fair price

You save £310

BD21 4DL West Yorkshire, West Yorkshire

229 g CO2/km comb. - 510 HP (375 kW) - 10.0 Mpg

-5%

Used (2025) BMW 840 M Sport 333 HP | Expensive

8 Series Gran Coupe i M Sport 4dr

2025
4,069 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
Details

Expensive

£53,895

£56,990

Dealer

SP1 3YU Wiltshire, Wiltshire

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1 / 4

Used (2025) BMW 840 M Sport 328 HP

8 Series i M Sport Convertible 3.0

2025
11,432 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 32.8
Details

£61,000

Not evaluated

Bmw.co.uk

RM3 0XP Greater London, London

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-2%

1 / 4

Used (2025) BMW 840 M Sport 328 HP

8 Series i M Sport Convertible 3.0

2025
4,335 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 32.8
Details

£66,000

£67,500

Not evaluated

Bmw.co.uk

NG7 2AX Nottingham, Nottinghamshire

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-3%

1 / 4

Used (2025) BMW 840 M Sport 328 HP

8 Series i M Sport Convertible 3.0

2025
7,139 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 32.8
Details

£67,000

£69,750

Not evaluated

Bmw.co.uk

SL5 0EX Ascot, Berkshire

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1 / 4

Used (2025) BMW 840 M Sport 328 HP

8 Series i M Sport Convertible 3.0

2025
2,925 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
mpg: 32.8
Details

£67,495

Not evaluated

Bmw.co.uk

EN1 1SW Greater London, London

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Carwow

2023

(2023) BMW M4 Competition Edition 510 HP

£54,795

Fair price

You save £1,105

TN32 Mountfield, East Sussex

229 g CO2/km comb. - 510 HP (375 kW) - 10.0 Mpg

Carwow Leasing

Good price

229 g CO2/km comb. - 480 HP (353 kW) - 10.0 Mpg

Carwow Leasing

Good price

SE18 6SR Greater London, London

221 g CO2/km comb. - 480 HP (353 kW) - 9.7 Mpg

Carwow

2023

(2023) BMW M4 Competition Edition 510 HP

£49,995

Super price

You save £6,205

EH27 8DF West Lothian, West Lothian

223 g CO2/km comb. - 510 HP (375 kW) - 9.8 Mpg

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