2018 BMW 840 • Compare 7 used cars with valuation

Market overview: April-2026 Price Analysis: A used BMW 840 from 2018 currently costs between £24,297 and £29,995. On average, the mileage for this year stands at 70,254 miles. The depreciation and price trend over the last 12 months is -£1,660.

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Carwow

2019

(2019) BMW 840 Comfort Edition 320 HP

£27,500

Good price

You save £1,800

CM1 3BH Essex, Essex

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

Carwow

2020

(2020) BMW 840 Comfort Edition 320 HP

£32,350

Fair price

You save £950

CM1 3BH Essex, Essex

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

Carwow

2018

(2018) Audi RS5 Comfort 450 HP

£32,495

Fair price

You save £5

BL1 3DE Greater Manchester, Manchester

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

Carwow

2017

(2017) Mercedes GLE43 AMG Premium Plus 367 HP

£21,995

Fair price

You save £805

HP23 4NB Marsworth, Buckinghamshire

199 g CO2/km comb. - 367 HP (269 kW) - 8.6 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-3%

1 / 4

Used (2018) BMW 840 Comfort Edition 320 HP | Fair price

8 Series 3.0 d Coupe 2dr Diesel

2018
58,000 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
320 HP (235 kW)
Details

Fair price

£28,900

£29,950

Motors.co.uk

SS14 3AU Essex, Essex

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-8%

1 / 4

Used (2018) BMW 840 Comfort Edition | Fair price

8 Series d xDrive 2dr Auto

2018
53,630 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
Details

Fair price

£28,660

£31,180

Motors.co.uk

RM7 0AZ Greater London, London

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1 / 4

Used (2018) BMW 840 Comfort Edition | Fair price

8 Series d xDrive 2dr Auto

2018
53,650 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
Details

Fair price

£29,995

Motors.co.uk

S9 4WN South Yorkshire, South Yorkshire

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1 / 4

Used (2018) BMW 840 Comfort Edition 320 HP | Fair price

8 Series 3.0 d Coupe 2dr Diesel

2018
68,500 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
320 HP (235 kW)
Details

Fair price

£28,495

Motors.co.uk

EH11 4DJ Edinburgh, Edinburgh

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Carwow

2019

(2019) Audi RS5 Sport 450 HP

£37,995

Good price

You save £2,705

WR9 7DZ Worcestershire, Worcestershire

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

Carwow

2019

(2019) BMW M4 Competition Edition 450 HP

£29,499

Good price

You save £2,001

NE61 6JT Northumberland, Northumberland

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

Carwow

2020

(2020) BMW M2 Competition Edition 411 HP

£34,995

Fair price

Estimated price £34,402

PE30 4JJ Norfolk, Norfolk

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

Carwow

2018

(2018) Mercedes C63S AMG Premium 510 HP

£35,450

Super price

You save £5,050

TN32 5LP Mountfield, East Sussex

208 g CO2/km comb. - 510 HP (375 kW) - 8.9 Mpg

-4%

1 / 4

Used (2018) BMW 840 Impressive | A bit pricey

8 Series d xDrive 2dr Auto

2018
100,000 miles
Trim level: Impressive
3.0L Diesel
Coupe
Automatic
Details

A bit pricey

£24,297

£25,497

Motors.co.uk

OL12 0AF Greater Manchester, Manchester

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1 / 4

Used (2018) BMW 840 | A bit pricey

8 Series d xDrive 2dr Auto

2018
93,000 miles
3.0L Diesel
Coupe
Automatic
Details

A bit pricey

£24,990

Motors.co.uk

LS13 4AD West Yorkshire, West Yorkshire

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-13%

1 / 4

Used (2018) BMW 840 400 HP | Rare vehicle

8 Series d xDrive 2dr Auto

2018
65,000 miles
3.0L Diesel
Coupe
Automatic
400 HP (294 kW)
Details

£25,971

£29,991

Rare vehicle

Motors.co.uk

WF12 9AS West Yorkshire, West Yorkshire

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Carwow

2019

(2019) BMW M4 Competition Edition 510 HP

£33,049

Good price

You save £1,851

EH15 1BT Edinburgh, Edinburgh

227 g CO2/km comb. - 510 HP (375 kW) - 9.9 Mpg

Carwow

2018

(2018) BMW M4 Competition Edition 450 HP

£29,795

Good price

You save £1,905

ST4 6PQ Stoke On Trent, Staffordshire

194 g CO2/km comb. - 450 HP (330 kW) - 34.0 Mpg

Carwow

2017

(2017) BMW M2 Comfort Edition 370 HP

£27,350

Good price

You save £1,650

LN7 6PX Caistor, Lincolnshire

185 g CO2/km comb. - 370 HP (272 kW) - 7.8 Mpg

Carwow

2020

(2020) Mercedes E53 AMG Premium Plus 435 HP

£33,541

Good price

You save £2,259

RG18EQ

211 g CO2/km comb. - 435 HP (319 kW) - 9.2 Mpg

Showing 1 - 7 of 7 results

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