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2021 BMW 840 • Compare 28 used cars with valuation

Market overview: March-2026 Price Analysis: A used BMW 840 from 2021 currently costs between £27,995 and £38,785. On average, the mileage for this year stands at 42,724 miles. The depreciation and price trend over the last 12 months is -£1,980.

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Used BMW 840 M Sport 333 HP (244 kW) 2022 Coupe
2022
(2022) BMW 840 M Sport 333 HP
£37,449

Fair price

Estimated price £37,131
WD19 4HX Hertfordshire, Hertfordshire

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

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Used BMW 840 Comfort Edition 340 HP (250 kW) 2020 Blue Coupe
2020
(2020) BMW 840 Comfort Edition 340 HP
£32,916

Fair price

Estimated price £32,717
WC1E 7DP Greater London, London

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

Carwow

Used BMW 840 Comfort Edition 320 HP (235 kW) 2019 Grey Coupe
2019
(2019) BMW 840 Comfort Edition 320 HP
£32,495

Fair price

You save £1,405
S80 2QD Nottinghamshire, Nottinghamshire

184 g CO2/km comb. - 320 HP (235 kW) - 6.9 Mpg

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2021 White Coupe
2021
(2021) BMW 840 M Sport 333 HP
£34,490

Fair price

Estimated price £33,501
TN12 5HD East Peckham, Kent

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

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Used BMW 840 340 HP (250 kW) 2020 Coupe
2020
(2020) BMW 840 340 HP
£30,495

Fair price

Estimated price £30,111
SO53 3YU Cross Rise, Hampshire

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

Carwow

Used BMW 840 M Sport 333 HP (244 kW) 2022 Black Coupe
2022
(2022) BMW 840 M Sport 333 HP
£35,949

Super price

You save £3,651
DE21 6BZ Derby, Derbyshire

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

Carwow

Used BMW 840 Comfort Edition 320 HP (235 kW) 2020 Blue Coupe
2020
(2020) BMW 840 Comfort Edition 320 HP
£32,950

Fair price

You save £1,250
CM1 3BH Essex, Essex

183 g CO2/km comb. - 320 HP (235 kW) - 6.9 Mpg

Carwow

Used BMW 840 340 HP (250 kW) 2020 Coupe
2020
(2020) BMW 840 340 HP
£27,900

Good price

You save £2,300
HP19 8BY Buckinghamshire, Buckinghamshire

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

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Used BMW 840 Performance 320 HP (235 kW) 2020 Coupe
2020
(2020) BMW 840 Performance 320 HP
£25,995

Good price

You save £2,305
DE73 7HL Stenson, Derbyshire

183 g CO2/km comb. - 320 HP (235 kW) - 6.9 Mpg

Carwow

Used BMW 840 Comfort Edition 320 HP (235 kW) 2019 Carbon black Coupe
2019
(2019) BMW 840 Comfort Edition 320 HP
£27,700

Good price

You save £2,500
CM1 3BH Essex, Essex

184 g CO2/km comb. - 320 HP (235 kW) - 6.9 Mpg

Carwow

Used Audi RS5 Sport 450 HP (330 kW) 2019 Coupe
2019
(2019) Audi RS5 Sport 450 HP
£38,750

Good price

You save £2,850
WR9 7DZ Worcestershire, Worcestershire

206 g CO2/km comb. - 450 HP (330 kW) - 9.3 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Coupe
2020
(2020) BMW M2 Competition Edition 411 HP
£35,550

Fair price

You save £1,350
WR9 7DZ Worcestershire, Worcestershire

225 g CO2/km comb. - 411 HP (302 kW) - 9.9 Mpg

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Used Mercedes E53 AMG Edition 435 HP (319 kW) 2023 Estate
2023
(2023) Mercedes E53 AMG Edition 435 HP
£41,489

Good price

You save £2,111
UB70LW

218 g CO2/km comb. - 435 HP (319 kW) - 9.5 Mpg

Carwow

Used BMW M4 Competition Edition 450 HP (330 kW) 2019 Coupe
2019
(2019) BMW M4 Competition Edition 450 HP
£34,990

Fair price

You save £10
SS25RU

228 g CO2/km comb. - 450 HP (330 kW) - 9.9 Mpg

Carwow

Used BMW M4 Competition Edition 450 HP (330 kW) 2019 Black Coupe
2019
(2019) BMW M4 Competition Edition 450 HP
£30,999

Fair price

You save £301
NE61 6JT Northumberland, Northumberland

228 g CO2/km comb. - 450 HP (330 kW) - 9.9 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Coupe
2020
(2020) BMW M2 Competition Edition 411 HP
£29,990

Super price

You save £4,610
DL1 2LD Darlington, Durham

220 g CO2/km comb. - 411 HP (302 kW) - 9.7 Mpg

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Used Mercedes E53 AMG Edition 435 HP (319 kW) 2023 Estate
2023
(2023) Mercedes E53 AMG Edition 435 HP
£39,500

Fair price

You save £1,400
WR9 7DZ Worcestershire, Worcestershire

218 g CO2/km comb. - 435 HP (319 kW) - 9.5 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Coupe
2020
(2020) BMW M2 Competition Edition 411 HP
£32,950

Good price

You save £2,050
SL09HW

220 g CO2/km comb. - 411 HP (302 kW) - 9.7 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Blue Coupe
2020
(2020) BMW M2 Competition Edition 411 HP
£36,340

Fair price

Estimated price £35,685
CF118UT, South Glamorgan

209 g CO2/km comb. - 411 HP (302 kW) - 9.7 Mpg

Carwow

Used BMW M2 Competition Edition 411 HP (302 kW) 2020 Coupe
2020
(2020) BMW M2 Competition Edition 411 HP
£35,399

Fair price

You save £301
B63 3NS West Midlands, West Midlands

220 g CO2/km comb. - 411 HP (302 kW) - 9.7 Mpg

Showing 1 - 25 of 28 results
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