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BMW M340 (electric/petrol) • 70 cars with Valuation

Market overview: Electric/petrol BMW M340 (August-2026): There are currently 70 used electric/petrol BMW M340 cars for sale. Prices range from £27,738 to £57,394, with a median price of £37,477. AutoUncle has identified 21 cars as being offered below market price. The typical selling time for a electric/petrol BMW M340 is approximately 36 days, and 68.1% of the listings have recently been reduced in price (Source: AutoUncle market data, August-2026).

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Used BMW M340 Comfort Edition 340 HP (250 kW) 2021 White Sedan

(2021) BMW M340 Comfort Edition 340 HP

Fair price

Estimated price £31,824

YO304WR, North Yorkshire

160 g CO2/km comb. - 340 HP (250 kW) - 46.3 Mpg

Carwow

Used BMW M340 Comfort Edition 340 HP (250 kW) 2023 Grey Sedan

(2023) BMW M340 Comfort Edition 340 HP

Good price

You save £2,110

BD21 4DH West Yorkshire, West Yorkshire

159 g CO2/km comb. - 340 HP (250 kW) - 46.3 Mpg

Carwow

Used BMW M340 Comfort Edition 340 HP (250 kW) 2024 Grey Sedan

(2024) BMW M340 Comfort Edition 340 HP

Super price

You save £4,774

BA22 8RT Somerset, Somerset

159 g CO2/km comb. - 340 HP (250 kW) - 46.3 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2021 Black Sedan

(2021) BMW M340 M Sport 374 HP

Fair price

Estimated price £34,551

WD19 4HX Hertfordshire, Hertfordshire

176 g CO2/km comb. - 374 HP (275 kW) - 7.7 Mpg

Price checked by AutoUncle

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-10%

1 / 4

Used (2023) BMW M340 Comfort Edition 340 HP | Good price

3 SeriesxDrive MHT 4dr Step Auto

2023
18,275 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
340 HP (250 kW)
CO2 emissions: 159 g CO2/km comb.
46 mpg
Details

Good price

£40,089

£44,569

DH1 1GG County Durham, Durham

Availability verified

-2%

1 / 4

Used (2024) BMW M340 Comfort Edition 340 HP | Super price

3 Series xDrive MHT 4dr Step

2024
13,788 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
340 HP (250 kW)
CO2 emissions: 159 g CO2/km comb.
46.3 mpg
Details

Super price

£41,126

£42,260

BA22 8RT Somerset, Somerset

Availability verified

1 / 4

Used (2021) BMW M340 M Sport 374 HP | Super price

3 Series i xDrive MHT 5dr Step

2021
37,372 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
8 mpg
Details

Super price

£33,680

£33,700

NR3 2AW Norfolk, Norfolk

Availability verified

New

1 / 4

Used (2021) BMW M340 M Sport 374 HP | Super price

3 Series Touring 2022 i xDrive MHT

2021
67,335 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
8 mpg
Details

Super price

£28,590

£28,010

ME5 9QG Kent, Kent

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Used BMW M340 M Sport 374 HP (275 kW) 2024 Black Sedan

(2024) BMW M340 M Sport 374 HP

Fair price

Estimated price £44,451

YO304WR, North Yorkshire

177 g CO2/km comb. - 374 HP (275 kW) - 34.9 Mpg

Carwow

Used BMW M340 340 HP (250 kW) 2024 Blue Sedan

(2024) BMW M340 340 HP

Fair price

Estimated price £39,921

IP31 1SX Fornham Saint Martin, Suffolk

159 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Sedan

(2025) BMW M340 M Sport 374 HP

Fair price

182 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used BMW M340 Comfort Edition 340 HP (250 kW) 2022 Red Estate

(2022) BMW M340 Comfort Edition 340 HP

Good price

You save £2,600

CM1 3BH Essex, Essex

163 g CO2/km comb. - 340 HP (250 kW) - 44.8 Mpg

New

1 / 4

Used (2020) BMW M340 M Sport 374 HP | Good price

3 Series i xDrive 4dr Step

2020
27,399 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 185 g CO2/km comb.
8 mpg
Details

Good price

£31,149

EH15 1BT Edinburgh, Edinburgh

Availability verified

-3%

1 / 4

Used (2022) BMW M340 M Sport 374 HP | Good price

3 Series i xDrive MHT 4dr Step

2022
42,339 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
7.7 mpg
Details

Good price

£30,697

£31,697

NE29 7TE Tyne And Wear, Tyne And Wear

Availability verified

-4%

1 / 4

Used (2022) BMW M340 Comfort Edition 340 HP | Good price

xDrive MHT 5dr Step Auto

2022
21,435 miles
Trim level: Comfort Edition
3.0L Diesel
Estate
Automatic
340 HP (250 kW)
CO2 emissions: 163 g CO2/km comb.
44.8 mpg
Details

Good price

£38,000

£39,650

CM1 3BH Essex, Essex

Availability verified

1 / 4

Used (2024) BMW M340 340 HP | Good price

3 Series Touring 2024 xDrive MHT

2024
32,230 miles
3.0L Diesel
Estate
Automatic
340 HP (250 kW)
CO2 emissions: 163 g CO2/km comb.
6.1 mpg
Details

Good price

£39,290

S419ED Derbyshire, Derbyshire

Availability verified

-6%

1 / 4

Used (2021) BMW M340 M Sport 374 HP | Super price

3 Series 2022 i xDrive MHT 4dr

2021
28,434 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
7.7 mpg
Details

Super price

£30,899

£33,049

DE21 6BZ Derby, Derbyshire

Availability verified

1 / 4

Used (2021) BMW M340 Comfort Edition 340 HP | Good price

3 Series Touring 2022 xDrive MHT

2021
73,832 miles
Trim level: Comfort Edition
3.0L Diesel
Estate
Automatic
340 HP (250 kW)
CO2 emissions: 165 g CO2/km comb.
6.3 mpg
Details

Good price

£27,920

BB1 3NU Lancashire, Lancashire

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Used BMW M340 M Sport 374 HP (275 kW) 2020 Grey Sedan

(2020) BMW M340 M Sport 374 HP

Fair price

WR9 7DZ Worcestershire, Worcestershire

185 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 Grey Sedan

(2025) BMW M340 M Sport 374 HP

Fair price

HG3 1LG Pannal, North Yorkshire

177 g CO2/km comb. - 374 HP (275 kW) - 7.8 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2025 White Sedan

(2025) BMW M340 M Sport 374 HP

Fair price

You save £1,050

MK15 0DQ Milton Keynes, Buckinghamshire

177 g CO2/km comb. - 374 HP (275 kW) - 7.8 Mpg

Carwow

Used BMW M340 Shadowline 340 HP (250 kW) 2023 Black Estate

(2023) BMW M340 Shadowline 340 HP

Fair price

HG3 1LG Pannal, North Yorkshire

163 g CO2/km comb. - 340 HP (250 kW) - 44.8 Mpg

1 / 4

Used (2023) BMW M340 Comfort Edition 340 HP | Good price

3-Series Saloon xDrive MHT 4dr

2023
42,000 miles
Trim level: Comfort Edition
3.0L Diesel
Sedan
Automatic
340 HP (250 kW)
CO2 emissions: 159 g CO2/km comb.
46.3 mpg
Details

Good price

£35,990

BD21 4DH West Yorkshire, West Yorkshire

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1 / 4

Used (2026) BMW M340 M Sport 392 HP | Good price

3 Series i xDrive Touring 3.0

2026
7,000 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
392 HP (288 kW)
CO2 emissions: 165 g CO2/km comb.
37.2 mpg
Details

Good price

£51,995

TN2 3UE Kent, Kent

Availability verified

-3%

1 / 4

Used (2020) BMW M340 M Sport 374 HP | Super price

3 Series i xDrive 4dr Step

2020
39,200 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
34 mpg
Details

Super price

£29,250

£30,195

Parkers.co.uk

RG27 9PA Hampshire, Hampshire

New

1 / 4

Used (2022) BMW M340 M Sport | Good price

3 Series i xDrive MHT 5dr Step

2022
50,113 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
34.9 mpg
Details

Good price

£32,154

Motors.co.uk

BR6 7QR Greater London, London

1 / 3

Used (2025) BMW M340 M Sport 374 HP | Good price

3 Series 3.0 i MHT Saloon 4dr

Sep 2025
1,629 miles
Trim level: M Sport
3.0L Electric/Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
Details

Good price

£49,690

£49,990

Dealer

WC1E 7DP Greater London, London

1 / 2

Used (2025) BMW M340 M Sport 369 HP | Good price

3 Series i xDrive Saloon 3.0

2025
1,629 miles
Trim level: M Sport
3.0L Petrol
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
35.3 mpg
Details

Good price

£49,690

£49,990

Bmw.co.uk

NR5 0JH Norfolk, Norfolk

-10%

1 / 4

Used (2026) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2026
6,723 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 191 g CO2/km comb.
33.6 mpg
Details

Super price

£48,999

£54,999

Bmw.co.uk

WA2 8HY Warrington, Cheshire

-6%

1 / 4

Used (2024) BMW M340 M Sport 369 HP | Good price

3 Series i xDrive Touring 3.0

2024
39,342 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
369 HP (271 kW)
CO2 emissions: 187 g CO2/km comb.
34 mpg
Details

Good price

£42,000

£45,000

Bmw.co.uk

LU4 8QN Maidenhall, Bedfordshire

-3%

1 / 2

Used (2020) BMW M340 Shadowline 335 HP | Good price

3 Series xDrive Saloon 3.0 4dr

Nov 2020
69,509 miles
Trim level: Shadowline
3.0L Diesel
Sedan
Automatic
335 HP (246 kW)
CO2 emissions: 160 g CO2/km comb.
46.3 mpg
Details

Good price

£25,990

£26,990

Dealer

NR5 0JH Norfolk, Norfolk

-4%

1 / 1

Used (2021) BMW M340 Sport Line 335 HP | Good price

xDrive Sport Automatic 5d

2021
58,300 miles
Trim level: Sport Line
3.0L Diesel
Estate
Automatic
335 HP (246 kW)
44.1 mpg
Details

Good price

£29,690

£30,990

Parkers.co.uk

SL7 Medmenham, Buckinghamshire

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Used BMW M340 Comfort Edition 340 HP (250 kW) 2023 Blue Estate

(2023) BMW M340 Comfort Edition 340 HP

Fair price

You save £1,205

DE214RZ Derby, Derbyshire

163 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

Carwow

Used BMW M340 Comfort Edition 340 HP (250 kW) 2023 Blue Sedan

(2023) BMW M340 Comfort Edition 340 HP

Good price

You save £2,411

DH1 1GG County Durham, Durham

159 g CO2/km comb. - 340 HP (250 kW) - 46.0 Mpg

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2021 Black Estate

(2021) BMW M340 M Sport 374 HP

Super price

You save £3,420

NR3 2AW Norfolk, Norfolk

182 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used BMW M340 340 HP (250 kW) 2024 Grey Estate

(2024) BMW M340 340 HP

Good price

You save £2,310

S419ED Derbyshire, Derbyshire

163 g CO2/km comb. - 340 HP (250 kW) - 6.1 Mpg

-3%

1 / 4

Used (2023) BMW M340 Comfort Edition 340 HP | Super price

3 Series xDrive MHT 5dr Step

2023
70,855 miles
Trim level: Comfort Edition
3.0L Electric/Petrol
Estate
Automatic
340 HP (250 kW)
44.8 mpg
Details

Super price

£30,950

£31,950

Motors.co.uk

LE13 0DG Melton Mowbray, Leicestershire

-6%

1 / 4

Used (2022) BMW M340 Executive 340 HP | Super price

3 Series xDrive MHT 4dr Step

2022
39,000 miles
Trim level: Executive
3.0L Electric/Petrol
Sedan
Automatic
340 HP (250 kW)
Details

Super price

£30,499

£32,499

Motors.co.uk

BT36 4RF Antrim And Newtownabbey

-7%

1 / 4

Used (2025) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2025
3,783 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Super price

£47,250

£51,000

Bmw.co.uk

SL6 0BW Maidenhead, Buckinghamshire

-10%

1 / 4

Used (2025) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2025
6,415 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Super price

£44,999

£49,999

Bmw.co.uk

LL31 9PL Conwy, Clwyd

-6%

1 / 4

Used (2026) BMW M340 M Sport 387 HP | Super price

3 Series i xDrive Touring 3.0

2026
6,236 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
387 HP (284 kW)
CO2 emissions: 165 g CO2/km comb.
38.7 mpg
Details

Super price

£46,899

£49,999

Bmw.co.uk

CH1 4LS Chester, Cheshire

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New BMW M340 M Sport 374 HP (275 kW) 2025 Estate

(2025) BMW M340 M Sport 374 HP

Fair price

Estimated price £62,533

182 g CO2/km comb. - 374 HP (275 kW) - 8.0 Mpg

Carwow

Used Vauxhall Antara 163 HP (119 kW) 2011 Black SUV

(2011) Vauxhall Antara 163 HP

Super price

You save £1,410

SS7 2PD Hadleigh, Essex

175 g CO2/km comb. - 163 HP (119 kW) - 6.6 Mpg

Carwow

Used Vauxhall Corsa S 86 HP (63 kW) 2012 Silver Hatchback

(2012) Vauxhall Corsa S 86 HP

Super price

UB9 4DN Denham, Buckinghamshire

129 g CO2/km comb. - 86 HP (63 kW) - 5.5 Mpg

Carwow

Used Alfa Romeo MiTo Sprint 84 HP (61 kW) 2014 Hatchback

(2014) Alfa Romeo MiTo Sprint 84 HP

Good price

90 g CO2/km comb. - 84 HP (61 kW) - 3.5 Mpg

Showing 1 - 25 of 424 results

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