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BMW M340 (petrol) • 187 cars with Valuation

Market overview: Petrol BMW M340 (September-2026): There are currently 187 used petrol BMW M340 cars for sale. Prices range from £27,983 to £58,997, with a median price of £41,500. AutoUncle has identified 41 cars as being offered below market price. The typical selling time for a petrol BMW M340 is approximately 30 days, and 57.8% of the listings have recently been reduced in price (Source: AutoUncle market data, September-2026).

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Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2022 Sedan

(2022) BMW M340 M Sport 374 HP

Fair price

Estimated price £34,866

GU24 9PL West End, Surrey

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

Carwow

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

(2025) BMW M340 M Sport 374 HP

Good price

You save £1,851

EH15 1BT Edinburgh, Edinburgh

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

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2022 Black Sedan

(2022) BMW M340 M Sport 374 HP

Good price

You save £1,601

B65SU Birmingham, West Midlands

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

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2023 Grey Sedan

(2023) BMW M340 M Sport 374 HP

Fair price

You save £1,201

LS12 6DL West Yorkshire, West Yorkshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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-5%

1 / 4

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

3 Series i xDrive 4dr Step

2020
35,888 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 185 g CO2/km comb.
8 mpg
Details

Super price

£28,765

£30,552

PO2 9QZ Hilsea, Hampshire

Availability verified

New

1 / 4

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

3 Series i xDrive MHT 4dr Step

2025
13,928 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Good price

£43,949

EH15 1BT Edinburgh, Edinburgh

Availability verified

-4%

1 / 4

Used (2023) BMW M340 M Sport 374 HP | Good price

3 Series i xDrive Saloon 3.0

2023
31,984 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Good price

£38,172

£39,856

YO30 4WR York, North Yorkshire

Availability verified

1 / 4

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

3 Series 2022 i xDrive MHT Step

2022
29,135 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Good price

£35,499

£35,599

B65SU Birmingham, West Midlands

Availability verified

Featured deals

Carwow

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

(2025) BMW M340 M Sport 374 HP

Good price

You save £2,610

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

Carwow

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

(2024) BMW M340 M Sport 374 HP

Fair price

YO30 4WR York, North Yorkshire

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

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2023 Blue Sedan

(2023) BMW M340 M Sport 374 HP

Fair price

RH1 5EP Salfords, Surrey

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

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2022 Grey Estate

(2022) BMW M340 M Sport 374 HP

Super price

You save £4,305

TN2 3UE Kent, Kent

182 g CO2/km comb. - 374 HP (275 kW) - 35.3 Mpg

-4%

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

3 Series Touring 2020 i xDrive 5dr

2020
77,414 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
374 HP (275 kW)
CO2 emissions: 191 g CO2/km comb.
8.4 mpg
Details

Good price

£26,190

£27,495

TN23UE

Availability verified

-4%

1 / 3

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

3 Series 2026 i xDrive MHT Step

2025
8,604 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
36.2 mpg
Details

Good price

£46,490

£48,900

HG3 1LG Pannal, North Yorkshire

Availability verified

1 / 4

New (2025) BMW M340 M Sport 374 HP | Super price

- 3 Series Touring i xDrive MHT

2025
0 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

£61,995

NG72AX

Availability verified

1 / 4

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

3 Series 2025 i xDrive MHT 4dr

2025
20,335 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Good price

£41,990

CT27PX

Availability verified

1 / 4

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

3 Series 2025 i xDrive MHT 4dr

2025
29,135 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
7.8 mpg
Details

Super price

£35,599

B6 5SU West Midlands, West Midlands

Availability verified

1 / 4

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

3 Series Touring 2022 i xDrive MHT

2022
27,380 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
35.3 mpg
Details

Super price

£37,495

TN2 3UE Kent, Kent

Availability verified

Featured deals

Carwow

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

(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 M Sport 374 HP (275 kW) 2025 Grey Sedan

(2025) BMW M340 M Sport 374 HP

Good price

You save £2,010

HG3 1LG Pannal, North Yorkshire

177 g CO2/km comb. - 374 HP (275 kW) - 36.2 Mpg

Carwow

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

(2025) BMW M340 M Sport 374 HP

Super price

You save £6,401

B6 5SU West Midlands, West Midlands

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

Carwow

Used BMW M340 M Sport 374 HP (275 kW) 2023 Grey Sedan

(2023) BMW M340 M Sport 374 HP

Good price

You save £1,628

YO30 4WR York, North Yorkshire

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

-13%

1 / 4

New (2025) BMW M340 M Sport 374 HP | Super price

- 3 Series Touring i xDrive MHT

2025
0 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

£62,300

£72,300

B78 3HG Staffordshire, Staffordshire

Availability verified

1 / 1

New (2025) BMW M340 M Sport 374 HP | Super price

- 3 Series Touring i xDrive MHT

2025
0 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

£60,902

RM30GX Leicester, London

Availability verified

1 / 4

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

- 3 Series Touring i xDrive MHT

2025
0 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
8 mpg
Details

Good price

£63,285

S92RQ

Availability verified

-1%

1 / 4

Used (2019) BMW M340 M Sport 374 HP | Good price

3-Series Saloon i xDrive Sport

2019
52,200 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 185 g CO2/km comb.
34 mpg
Details

Good price

£26,495

£26,995

Motors.co.uk

M19 2TJ Greater Manchester, Manchester

-4%

1 / 4

Used (2022) BMW M340 M Sport | Super price

3 Series i Xdrive Mhev Auto

2022
67,865 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
Details

Super price

£26,000

£27,350

Exchange and Mart

Hampshire, Hampshire

-7%

1 / 4

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

3 Series i xDrive Saloon 3.0

2026
4,726 miles
Trim level: M Sport
3.0L Petrol
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Good price

£48,000

£52,000

Bmw.co.uk

B90 4NU Shirley, West Midlands

-4%

1 / 4

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

3 Series i xDrive Saloon 3.0

2026
8,250 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 177 g CO2/km comb.
35.8 mpg
Details

Good price

£47,499

£49,899

Bmw.co.uk

PR8 5JF Scarisbrick, Lancashire

-2%

1 / 4

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

3 Series i xDrive Saloon 3.0

2026
3,514 miles
Trim level: M Sport
3.0L Petrol
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Good price

£47,999

£48,999

Bmw.co.uk

SK9 3PB Handforth, Cheshire

-5%

1 / 4

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

3 Series i xDrive Saloon 3.0

2024
24,262 miles
Trim level: M Sport
3.0L Petrol
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
34.9 mpg
Details

Super price

£39,500

£42,000

Bmw.co.uk

HP11 1EZ Buckinghamshire, Buckinghamshire

-7%

1 / 4

Used (2022) BMW M340 M Sport 369 HP | Good price

3 Series i xDrive Touring 3.0

2022
38,225 miles
Trim level: M Sport
3.0L Petrol
Estate
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
35.3 mpg
Details

Good price

£37,950

£40,980

Exchange and Mart

M41 7GF Stretford, Manchester

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Carwow

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

(2021) BMW M340 M Sport 374 HP

Fair price

You save £1,150

HG3 1LG Pannal, North Yorkshire

182 g CO2/km comb. - 374 HP (275 kW) - 35.3 Mpg

Carwow

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

(2020) BMW M340 M Sport 374 HP

Fair price

Estimated price £32,248

RH1 5EP Salfords, Surrey

185 g CO2/km comb. - 374 HP (275 kW) - 34.4 Mpg

Carwow Leasing

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

(2025) BMW M340 M Sport 374 HP

Fair price

Estimated price £67,656

B78 3HG Staffordshire, Staffordshire

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

Carwow Leasing

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

(2025) BMW M340 M Sport 374 HP

Super price

You save £5,000

B78 3HG Staffordshire, Staffordshire

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

Used (2021) BMW M340 M Sport 369 HP | Super price

3 Series i xDrive Saloon 3.0

2021
42,812 miles
Trim level: M Sport
3.0L Petrol
Automatic
369 HP (271 kW)
CO2 emissions: 176 g CO2/km comb.
36.7 mpg
Details

Super price

£31,299

£30,999

Bmw.co.uk

ST4 4GU Stoke-On-Trent, Staffordshire

1 / 4

Used (2022) BMW M340 M Sport 369 HP | Good price

3 Series i Xdrive Mhev Auto

2022
32,000 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
33.2 mpg
Details

Good price

£36,750

£36,995

Exchange and Mart

Harlow, Essex

New

1 / 1

Used (2021) BMW M340 M Sport 368 HP | Super price

3-Series Saloon i xDrive MHT 4dr

2021
52,810 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
368 HP (270 kW)
CO2 emissions: 176 g CO2/km comb.
35.8 mpg
Details

Super price

£27,990

Parkers.co.uk

CF5 Culverhouse Cross, South Glamorgan

-15%

1 / 4

Used (2024) BMW M340 M Sport 374 HP | Super price

3 Series i xDrive Saloon 3.0

2024
9,805 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
36.2 mpg
Details

Super price

£42,490

£49,990

Bmw.co.uk

CT2 7PX Kent, Kent

-21%

1 / 4

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

3 Series i xDrive Saloon 3.0

Nov 2020
51,236 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 185 g CO2/km comb.
34.9 mpg
Details

Good price

£28,995

£36,981

Bmw.co.uk

GU14 6TL Hampshire, Hampshire

Featured deals

Carwow Leasing

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

(2025) BMW M340 M Sport 374 HP

Super price

You save £5,198

RM30GX Leicester, London

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

Carwow Leasing

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

(2025) BMW M340 M Sport 374 HP

Good price

You save £3,215

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

Carwow Leasing

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

(2025) BMW M340 M Sport 374 HP

Super price

You save £4,105

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

Carwow

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

(2020) BMW M340 M Sport 374 HP

Fair price

You save £1,289

DH1 1GG County Durham, Durham

176 g CO2/km comb. - 374 HP (275 kW) - 36.7 Mpg

Showing 1 - 25 of 187 results

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