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BMW 640 (diesel) • 102 cars with Valuation

Market overview: Diesel BMW 640 (September-2026): There are currently 102 used diesel BMW 640 cars for sale. Prices range from £7,570 to £18,264, with a median price of £12,399. AutoUncle has identified 17 cars as being offered below market price. The typical selling time for a diesel BMW 640 is approximately 32 days, and 39.6% of the listings have recently been reduced in price (Source: AutoUncle market data, September-2026).

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Used BMW 640 M Sport 313 HP (230 kW) 2017 Grey Coupe

(2017) BMW 640 M Sport 313 HP

Good price

You save £1,200

KT11 1JJ Surrey, Surrey

147 g CO2/km comb. - 313 HP (230 kW) - 5.5 Mpg

Carwow

Used BMW 640 M Sport 313 HP (230 kW) 2014 White Coupe

(2014) BMW 640 M Sport 313 HP

Fair price

Estimated price £13,124

OL9 6HT Greater Manchester, Manchester

152 g CO2/km comb. - 313 HP (230 kW) - 5.7 Mpg

Carwow

Used BMW 640 M Sport 313 HP (230 kW) 2015 Black Coupe

(2015) BMW 640 M Sport 313 HP

Fair price

You save £1,005

DE73 7HL Stenson, Derbyshire

152 g CO2/km comb. - 313 HP (230 kW) - 49.0 Mpg

Carwow

Used BMW 640 M Sport 313 HP (230 kW) 2018 White Coupe

(2018) BMW 640 M Sport 313 HP

Fair price

SN11 8SD Hilmarton, Wiltshire

147 g CO2/km comb. - 313 HP (230 kW) - 5.5 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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-7%

1 / 3

Used (2017) BMW 640 M Sport 313 HP | Good price

6 Series 3.0 d M Sport Coupe 2dr

2017
97,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 147 g CO2/km comb.
5.5 mpg
Details

Good price

£12,500

£13,500

KT11 1JJ Surrey, Surrey

Availability verified

-17%

1 / 4

Used (2014) BMW 640 Comfort Edition 313 HP | Super price

6 Series 3.0 d SE Coupe 2dr Diesel

2014
85,000 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 143 g CO2/km comb.
52 mpg
Details

Super price

£9,500

£11,500

M17 1PZ Stretford, Manchester

Availability verified

1 / 4

Used (2014) BMW 640 M Sport 313 HP | Good price

6 Series Gran Coupe 3.0 d M Sport

2014
82,461 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Good price

£10,295

£10,195

LU3 3AN Luton, Bedfordshire

Availability verified

-4%

1 / 4

Used (2013) BMW 640 M Sport 313 HP | Good price

6-Series Gran Coupe d M Sport 4d

2013
92,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Good price

£9,389

£9,789

Motors.co.uk

LU5 4JN Central Bedfordshire, Bedfordshire

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Used BMW 640 M Sport 313 HP (230 kW) 2014 Black Coupe

(2014) BMW 640 M Sport 313 HP

Good price

You save £1,705

LU3 3AN Luton, Bedfordshire

152 g CO2/km comb. - 313 HP (230 kW) - 49.0 Mpg

Carwow

Used BMW 640 Comfort Edition 313 HP (230 kW) 2014 White Coupe

(2014) BMW 640 Comfort Edition 313 HP

Super price

You save £2,300

M17 1PZ Stretford, Manchester

143 g CO2/km comb. - 313 HP (230 kW) - 52.0 Mpg

Carwow

Used BMW 640 M Sport 313 HP (230 kW) 2012 Black Coupe

(2012) BMW 640 M Sport 313 HP

Fair price

SO18 1BH Southampton, Hampshire

152 g CO2/km comb. - 313 HP (230 kW) - 5.7 Mpg

Carwow

Used BMW 640 M Sport 313 HP (230 kW) 2017 Black Coupe

(2017) BMW 640 M Sport 313 HP

Fair price

Estimated price £17,259

CW73AL Cheshire West And Chester, Cheshire

152 g CO2/km comb. - 313 HP (230 kW) - 49.6 Mpg

-11%

1 / 1

Used (2014) BMW 640 Performance 308 HP | Good price

6 Series Gran Coupe 3.0 d SE Auto

2014
50,000 miles
Trim level: Performance
3.0L Diesel
Coupe
Automatic
308 HP (226 kW)
CO2 emissions: 147 g CO2/km comb.
51 mpg
Details

Good price

£12,775

£14,475

Parkers.co.uk

NG31 7UH Lincolnshire, Lincolnshire

New

1 / 4

Used (2014) BMW 640 M Sport | Super price

6 Series d M Sport 2dr Auto

2014
80,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
Details

Super price

£9,995

Motors.co.uk

LE12 9EJ Shepshed, Leicestershire

New

1 / 1

Used (2014) BMW 640 M Sport 308 HP | Good price

6-Series Convertible d M Sport 2d

2014
92,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
308 HP (226 kW)
CO2 emissions: 153 g CO2/km comb.
48 mpg
Details

Good price

£9,995

Parkers.co.uk

Bucks, Buckinghamshire

-8%

1 / 4

Used (2016) BMW 640 M Sport 309 HP | Good price

6 Series Gran Coupe d M Sport Gran

2016
58,596 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
309 HP (227 kW)
CO2 emissions: 152 g CO2/km comb.
49.6 mpg
Details

Good price

£17,390

£18,990

Exchange and Mart

M41 7GF Stretford, Manchester

-6%

1 / 3

Used (2015) BMW 640 M Sport 313 HP | Good price

6 Series Gran Coupe d M Sport

2015
63,307 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Good price

£13,289

£14,289

Motors.co.uk

WR11 7QF Evesham, Worcestershire

1 / 4

Used (2016) BMW 640 M Sport 308 HP | Good price

6 Series d M Sport 4dr Auto

2016
52,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
308 HP (226 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Good price

£15,990

Parkers.co.uk

WS10 7LE West Midlands, West Midlands

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Used BMW 640 Comfort Edition 313 HP (230 kW) 2013 Silver Coupe

(2013) BMW 640 Comfort Edition 313 HP

Fair price

Estimated price £8,519

SO18 1BH Southampton, Hampshire

147 g CO2/km comb. - 313 HP (230 kW) - 5.5 Mpg

Carwow

Used BMW 640 M Sport 313 HP (230 kW) 2013 White Coupe

(2013) BMW 640 M Sport 313 HP

Fair price

OL9 6HT Greater Manchester, Manchester

152 g CO2/km comb. - 313 HP (230 kW) - 49.0 Mpg

Carwow

Used Audi A8 Sport 258 HP (189 kW) 2015 Silver Sedan

(2015) Audi A8 Sport 258 HP

Fair price

SO18 1BH Southampton, Hampshire

155 g CO2/km comb. - 258 HP (189 kW) - 5.8 Mpg

Carwow

Used BMW 435 M Sport 313 HP (230 kW) 2015 Black Coupe

(2015) BMW 435 M Sport 313 HP

Fair price

Estimated price £12,429

CM7 3JQ Essex, Essex

183 g CO2/km comb. - 313 HP (230 kW) - 39.8 Mpg

1 / 4

Used (2015) BMW 640 M Sport | Super price

6 Series d M Sport 2dr Auto

2015
93,050 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
Details

Super price

£8,990

Motors.co.uk

LU4 8NU Maidenhall, Bedfordshire

-8%

1 / 2

Used (2016) BMW 640 M Sport 309 HP | Super price

6 Series Gran Coupe 3.0 d M Sport

Oct 2016
60,231 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
309 HP (227 kW)
CO2 emissions: 152 g CO2/km comb.
Details

Super price

£15,495

£16,995

Dealer

WC1E 7DP Greater London, London

1 / 4

Used (2015) BMW 640 M Sport 313 HP | Good price

6-Series Gran Coupe d M Sport 4d

2015
98,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Good price

£10,000

£9,000

Parkers.co.uk

EH10 5GN Edinburgh, Edinburgh

-16%

1 / 4

Used (2016) BMW 640 M Sport 313 HP | Good price

6-Series Coupe d M Sport 2d

2016
113,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 147 g CO2/km comb.
51 mpg
Details

Good price

£9,995

£11,995

Parkers.co.uk

EH48 2EP West Lothian, West Lothian

1 / 1

Used (2015) BMW 640 M Sport 308 HP | Good price

6-Series Convertible d M Sport 2d

2015
68,822 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
308 HP (226 kW)
CO2 emissions: 153 g CO2/km comb.
48 mpg
Details

Good price

£13,990

Parkers.co.uk

Peterborough, Cambridgeshire

-35%

1 / 4

Used (2013) BMW 640 M Sport 308 HP | Super price

6 Series d M Sport 2dr Auto

2013
115,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
308 HP (226 kW)
CO2 emissions: 147 g CO2/km comb.
51 mpg
Details

Super price

£6,495

£9,995

Motors.co.uk

BS31 2AN Keynsham, Somerset

1 / 3

Used (2014) BMW 640 Comfort Edition | Good price

6 Series d SE 2dr Auto

2014
78,700 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
52 mpg
Details

Good price

£10,495

Motors.co.uk

TS17 7AQ Thornaby, North Yorkshire

-8%

1 / 4

Used (2017) BMW 640 M Sport 313 HP | Fair price

6 Series d M Sport 4dr Auto

2017
62,570 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49.6 mpg
Details

Fair price

£17,699

£19,299

CW73AL Cheshire West And Chester, Cheshire

Availability verified

-18%

1 / 4

Used (2012) BMW 640 M Sport 313 HP | Fair price

6 Series Gran Coupe 3.0 d M Sport

2012
88,990 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
5.7 mpg
Details

Fair price

£8,999

£10,999

SO18 1BH Southampton, Hampshire

Availability verified

-4%

1 / 3

Used (2013) BMW 640 M Sport 313 HP | Fair price

6 Series Gran Coupe 2013 M Sport d

2013
94,607 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Fair price

£9,795

£10,250

OL9 6HT Greater Manchester, Manchester

Availability verified

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Carwow

Used BMW 435 M Sport 313 HP (230 kW) 2015 Blue Coupe

(2015) BMW 435 M Sport 313 HP

Fair price

Estimated price £11,997

M17 1PZ Stretford, Manchester

183 g CO2/km comb. - 313 HP (230 kW) - 6.9 Mpg

Carwow

Used Audi A8 Advanced 258 HP (189 kW) 2015 White Sedan

(2015) Audi A8 Advanced 258 HP

Good price

You save £1,100

CM9 4LL Heybridge, Essex

155 g CO2/km comb. - 258 HP (189 kW) - 5.8 Mpg

Carwow

Used BMW 435 M Sport 313 HP (230 kW) 2015 Blue Cabriolet

(2015) BMW 435 M Sport 313 HP

Fair price

PE6 7YB Eye, Cambridgeshire

155 g CO2/km comb. - 313 HP (230 kW) - 47.0 Mpg

Carwow

Used BMW 435 M Sport 313 HP (230 kW) 2018 Black Coupe

(2018) BMW 435 M Sport 313 HP

Good price

You save £1,101

LE15 7TU Rutland, Rutland

183 g CO2/km comb. - 313 HP (230 kW) - 6.9 Mpg

-5%

1 / 4

Used (2018) BMW 640 M Sport 313 HP | Fair price

6 Series 2018 M Sport d Auto

2018
73,515 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 147 g CO2/km comb.
5.5 mpg
Details

Fair price

£15,990

£16,880

SN11 8SD Hilmarton, Wiltshire

Availability verified

-7%

1 / 4

Used (2015) BMW 640 M Sport 313 HP | Fair price

6 Series Gran Coupe 2015 M Sport d

2015
74,000 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Fair price

£12,995

£13,995

DE73 7HL Stenson, Derbyshire

Availability verified

1 / 4

Used (2014) BMW 640 M Sport 313 HP | Fair price

6 Series Gran Coupe 2014 M Sport d

2014
67,977 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
5.7 mpg
Details

Fair price

£13,300

OL9 6HT Greater Manchester, Manchester

Availability verified

1 / 4

Used (2013) BMW 640 Comfort Edition 313 HP | Fair price

6 Series Gran Coupe 3.0 d SE Auto

2013
115,559 miles
Trim level: Comfort Edition
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 147 g CO2/km comb.
5.5 mpg
Details

Fair price

£8,999

SO18 1BH Southampton, Hampshire

Availability verified

-1%

1 / 4

Used (2015) BMW 640 M Sport 313 HP | Fair price

6 Series GRAN COUPE 3.0 d M Sport

2015
106,578 miles
Trim level: M Sport
3.0L Diesel
Coupe
Automatic
313 HP (230 kW)
CO2 emissions: 152 g CO2/km comb.
49 mpg
Details

Fair price

£10,795

£10,995

Exchange and Mart

SO30 2EU Botley, Hampshire

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Used BMW 435 M Sport 313 HP (230 kW) 2017 Silver Cabriolet

(2017) BMW 435 M Sport 313 HP

Fair price

Estimated price £11,024

PE4 6QZ Peterborough, Cambridgeshire

189 g CO2/km comb. - 313 HP (230 kW) - 7.2 Mpg

Carwow

Used Mercedes CLS350 AMG 265 HP (194 kW) 2013 Silver Estate

(2013) Mercedes CLS350 AMG 265 HP

Fair price

Estimated price £9,618

G3 6ED Glasgow City, Glasgow

162 g CO2/km comb. - 265 HP (194 kW) - 6.1 Mpg

Carwow

Used BMW 435 M Sport 313 HP (230 kW) 2016 White Coupe

(2016) BMW 435 M Sport 313 HP

Fair price

BS24 0JN Lympsham, Somerset

183 g CO2/km comb. - 313 HP (230 kW) - 6.9 Mpg

Carwow

Used BMW 435 M Sport 313 HP (230 kW) 2019 Blue Coupe

(2019) BMW 435 M Sport 313 HP

Good price

You save £1,575

RM13 8RH Greater London, London

183 g CO2/km comb. - 313 HP (230 kW) - 6.9 Mpg

Showing 1 - 25 of 105 results

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