BMW 840 (petrol) • 188 cars with Valuation

Market overview: Petrol BMW 840 (June-2026): There are currently 188 used petrol BMW 840 cars for sale. Prices range from £26,997 to £49,998, with a median price of £36,975. AutoUncle has identified 61 cars as being offered below market price. The typical selling time for a petrol BMW 840 is approximately 40 days, and 72.4% of the listings have recently been reduced in price (Source: AutoUncle market data, June-2026).

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Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2022 Black Coupe

(2022) BMW 840 M Sport 333 HP

Fair price

WD25 9LA Hertfordshire, Hertfordshire

189 g CO2/km comb. - 333 HP (244 kW) - 8.2 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2025 Coupe

(2025) BMW 840 M Sport 333 HP

Super price

You save £4,110

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

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2021 White Coupe

(2021) BMW 840 M Sport 333 HP

Fair price

TN12 5HD East Peckham, Kent

189 g CO2/km comb. - 333 HP (244 kW) - 8.2 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2025 Coupe

(2025) BMW 840 M Sport 333 HP

Super price

You save £5,398

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

-6%

1 / 4

Used (2022) BMW 840 M Sport 333 HP | Good price

- 8 Series Gran Coupe i [333]

2022
67,000 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 193 g CO2/km comb.
8.4 mpg
Details

Good price

£27,750

£29,800

M171PZ

Availability verified

-10%

1 / 4

Used (2024) BMW 840 M Sport 333 HP | Super price

8 Series i M Sport Coupe

2024
6,924 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 191 g CO2/km comb.
8.3 mpg
Details

Super price

£42,400

£47,600

CM1 3BH Essex, Essex

Availability verified

-7%

1 / 4

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

- 8 Series Gran Coupe i M Sport

2025
24,501 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
8.5 mpg
Details

Super price

£41,590

£44,990

CT27PX

Availability verified

-6%

1 / 4

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

- 8 Series Convertible i M Sport

2025
21,268 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
8.5 mpg
Details

Good price

£42,990

£45,900

TN12 5HD East Peckham, Kent

Availability verified

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Carwow

Used BMW 840 Performance 340 HP (250 kW) 2020 Coupe

(2020) BMW 840 Performance 340 HP

Fair price

195 g CO2/km comb. - 340 HP (250 kW) - 8.5 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2024 Portimao blue Coupe

(2024) BMW 840 M Sport 333 HP

Super price

You save £4,500

CM1 3BH Essex, Essex

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

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2025 Coupe

(2025) BMW 840 M Sport 333 HP

Good price

You save £3,410

TN12 5HD East Peckham, Kent

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

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2025 Grey Coupe

(2025) BMW 840 M Sport 333 HP

Fair price

WC1E 7DP Greater London, London

195 g CO2/km comb. - 333 HP (244 kW) - 32.8 Mpg

1 / 3

Used (2022) BMW 840 M Sport 333 HP | Super price

- 8 Series Gran Coupe i [333]

2022
44,150 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 193 g CO2/km comb.
8.4 mpg
Details

Super price

£29,995

BL13DE

Availability verified

1 / 4

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

- 8 Series Gran Coupe i M Sport

2025
15,331 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
8.5 mpg
Details

Super price

£42,102

GU11RD

Availability verified

-1%

1 / 1

Used (2020) BMW 840 Comfort Edition 340 HP | Good price

8 Series Gran Coupe 3.0 i

2020
46,392 miles
Trim level: Comfort Edition
3.0L Petrol
Coupe
Automatic
340 HP (250 kW)
CO2 emissions: 195 g CO2/km comb.
8.5 mpg
Details

Good price

£28,475

£28,975

BL9 5BQ Greater Manchester, Manchester

Availability verified

-6%

1 / 4

Used (2021) BMW 840 M Sport 333 HP | Good price

8 SERIES COUPE i [333] sDrive M

2021
51,800 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 189 g CO2/km comb.
8.2 mpg
Details

Good price

£28,899

£30,799

Motors.co.uk

CW7 3AL Cheshire West And Chester, Cheshire

-18%

1 / 4

Used (2021) BMW 840 Comfort Edition 328 HP | Good price

8 Series i Gran Coupe 3.0 4dr

2021
39,218 miles
Trim level: Comfort Edition
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 194 g CO2/km comb.
33.2 mpg
Details

Good price

£31,000

£37,990

Bmw.co.uk

TW8 9DD Greater London, London

-7%

1 / 4

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

8 Series i M Sport Gran Coupe 3.0

2025
6,628 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 194 g CO2/km comb.
33.2 mpg
Details

Good price

£47,850

£51,850

Bmw.co.uk

NN1 West Northamptonshire, Northamptonshire

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Carwow

Used BMW 840 Shadowline 340 HP (250 kW) 2020 Coupe

(2020) BMW 840 Shadowline 340 HP

Fair price

WR9 7DZ Worcestershire, Worcestershire

190 g CO2/km comb. - 340 HP (250 kW) - 8.4 Mpg

Carwow

Used BMW 840 Comfort Edition 340 HP (250 kW) 2020 Red Coupe

(2020) BMW 840 Comfort Edition 340 HP

Fair price

SN14 6LJ Wiltshire, Wiltshire

190 g CO2/km comb. - 340 HP (250 kW) - 8.4 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2025 Coupe

(2025) BMW 840 M Sport 333 HP

Fair price

You save £1,505

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

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2022 Coupe

(2022) BMW 840 M Sport 333 HP

Super price

You save £4,705

193 g CO2/km comb. - 333 HP (244 kW) - 8.4 Mpg

-8%

1 / 4

Used (2021) BMW 840 M Sport | Super price

8 Series i [333] sDrive M Sport

2021
22,290 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
Details

Super price

£30,995

£33,995

Motors.co.uk

BT12 6HU Belfast

-1%

1 / 4

Used (2022) BMW 840 Comfort Edition 328 HP | Super price

8 Series i Coupe 3.0 2dr

2022
24,213 miles
Trim level: Comfort Edition
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 189 g CO2/km comb.
34 mpg
Details

Super price

£35,999

£36,699

Bmw.co.uk

ST17 4PQ Staffordshire, Staffordshire

-12%

1 / 4

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

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.
33.2 mpg
Details

Good price

£47,210

£53,895

Bmw.co.uk

SP1 3YU Wiltshire, Wiltshire

-3%

1 / 4

Used (2020) BMW 840 Comfort Edition 335 HP | Good price

8 Series i Gran Coupe 3.0 4dr

2020
43,000 miles
Trim level: Comfort Edition
3.0L Petrol
Coupe
Automatic
335 HP (246 kW)
CO2 emissions: 168 g CO2/km comb.
32.8 mpg
Details

Good price

£29,000

£30,000

Bmw.co.uk

IG10 3UE Essex, Essex

-7%

1 / 4

Used (2022) BMW 840 Comfort Edition 328 HP | Super price

8 Series i Coupe 3.0 2dr

2022
42,661 miles
Trim level: Comfort Edition
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 189 g CO2/km comb.
34 mpg
Details

Super price

£32,090

£34,850

Bmw.co.uk

DN2 4SR South Yorkshire, South Yorkshire

-1%

1 / 4

Used (2023) BMW 840 M Sport 328 HP | Good price

8 Series i M Sport Gran Coupe 3.0

2023
36,565 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
33.2 mpg
Details

Good price

£36,950

£37,500

Bmw.co.uk

SL6 0BW Maidenhead, Buckinghamshire

-5%

1 / 4

Used (2021) BMW 840 Comfort Edition 328 HP | Good price

8 Series i Gran Coupe 3.0 4dr

2021
30,000 miles
Trim level: Comfort Edition
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 194 g CO2/km comb.
33.2 mpg
Details

Good price

£32,999

£34,990

Bmw.co.uk

OL11 2PX Greater Manchester, Manchester

-27%

1 / 4

Used (2022) BMW 840 Comfort Edition 333 HP | Good price

8 Series i Gran Coupe 3.0 4dr

Jul 2022
28,777 miles
Trim level: Comfort Edition
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
33.2 mpg
Details

Good price

£37,590

£52,000

Bmw.co.uk

M41 7GF Stretford, Manchester

New

1 / 2

Used (2021) BMW 840 M Sport 333 HP | Super price

8 Series Gran Coupe 3.0 i M Sport

2021
50,220 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
Details

Super price

£27,495

Motors.co.uk

LE10 3DJ Leicestershire, Leicestershire

-7%

1 / 4

Used (2022) BMW 840 M Sport 328 HP | Good price

8 Series i M Sport Coupe 3.0

2022
20,866 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 190 g CO2/km comb.
33.6 mpg
Details

Good price

£36,995

£39,995

Motors.co.uk

BT12 6QU Belfast

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Carwow

Used BMW 840 Comfort Edition 340 HP (250 kW) 2020 White Coupe

(2020) BMW 840 Comfort Edition 340 HP

Fair price

LU3 3AN Luton, Bedfordshire

190 g CO2/km comb. - 340 HP (250 kW) - 8.4 Mpg

Carwow

Used BMW 840 Shadowline 340 HP (250 kW) 2020 Black Coupe

(2020) BMW 840 Shadowline 340 HP

Fair price

Estimated price £27,609

BL1 3DE Greater Manchester, Manchester

190 g CO2/km comb. - 340 HP (250 kW) - 8.4 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2022 Coupe

(2022) BMW 840 M Sport 333 HP

Good price

You save £2,350

193 g CO2/km comb. - 333 HP (244 kW) - 8.4 Mpg

Carwow

Used BMW 840 Comfort Edition 340 HP (250 kW) 2020 Black Coupe

(2020) BMW 840 Comfort Edition 340 HP

Good price

You save £2,025

BL9 5BQ Greater Manchester, Manchester

195 g CO2/km comb. - 340 HP (250 kW) - 8.5 Mpg

-42%

1 / 4

Used (2021) BMW 840 M Sport 333 HP | Super price

3.0 i M Sport Saloon 4dr Petrol

Jun 2021
22,601 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
33.6 mpg
Details

Super price

£30,995

£53,995

Bmw.co.uk

BT12 6QU Belfast

-38%

1 / 4

Used (2022) BMW 840 M Sport 333 HP | Good price

8 Series G16 i M Sport Gran Coupe

Sep 2022
13,972 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
33.2 mpg
Details

Good price

£37,000

£59,999

Bmw.co.uk

SA5 8LW Cwmbwrla, West Glamorgan

-4%

1 / 4

Used (2023) BMW 840 M Sport 333 HP | Good price

8 Series SERIES i M Sport 4dr

2023
17,959 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
333 HP (244 kW)
CO2 emissions: 195 g CO2/km comb.
33.2 mpg
Details

Good price

£37,991

£39,732

Honestjohn

DN15 8PT North Lincolnshire, Lincolnshire

-2%

1 / 4

Used (2023) BMW 840 M Sport 328 HP | Good price

8 Series i M Sport Gran Coupe 3.0

2023
31,670 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 194 g CO2/km comb.
33.2 mpg
Details

Good price

£36,990

£37,950

Bmw.co.uk

RG2 0GH Berkshire, Berkshire

-7%

1 / 4

Used (2023) BMW 840 M Sport 328 HP | Super price

8 Series i M Sport Gran Coupe 3.0

2023
25,809 miles
Trim level: M Sport
3.0L Petrol
Coupe
Automatic
328 HP (241 kW)
CO2 emissions: 195 g CO2/km comb.
33.2 mpg
Details

Super price

£36,999

£39,999

Bmw.co.uk

ST4 4GU Stoke-On-Trent, Staffordshire

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Carwow

Used Audi RS6 Advanced 560 HP (411 kW) 2018 Estate

(2018) Audi RS6 Advanced 560 HP

Good price

You save £2,010

YO19 5XD York, North Yorkshire

223 g CO2/km comb. - 560 HP (411 kW) - 9.6 Mpg

Carwow

Used Audi RS5 Advanced 450 HP (330 kW) 2018 Grey Coupe

(2018) Audi RS5 Advanced 450 HP

Fair price

TS17 0BA Thornaby, North Yorkshire

197 g CO2/km comb. - 450 HP (330 kW) - 8.7 Mpg

Carwow

Used Audi RS5 Comfort 450 HP (330 kW) 2018 Coupe

(2018) Audi RS5 Comfort 450 HP

Fair price

TQ4 7PT Torbay, Devon

197 g CO2/km comb. - 450 HP (330 kW) - 8.6 Mpg

Carwow

Used Audi RS6 Performance 605 HP (444 kW) 2018 Estate

(2018) Audi RS6 Performance 605 HP

Fair price

HX1 3LW West Yorkshire, West Yorkshire

223 g CO2/km comb. - 605 HP (444 kW) - 9.6 Mpg

Showing 1 - 25 of 185 results

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Good price

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