BMW M340 (M Sport) • 277 cars with analysis

Market overview: Market price for BMW M340 (M Sport): The average price is £43,656, ranging from £28,000 to £60,000. Among 277 cars with the M Sport trim, AutoUncle identified 90 good deals listed below market value.

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M Sport

(2022) BMW M340 M Sport 374 HP

£33,949

Fair price

Estimated price £33,067

WD19 4HX Hertfordshire, Hertfordshire

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

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M Sport

(2021) BMW M340 M Sport 374 HP

£36,249

Fair price

Estimated price £35,923

WD19 4HY Hertfordshire, Hertfordshire

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

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M Sport

(2025) BMW M340 M Sport 374 HP

£62,390

Fair price

You save £110

B78 3HG Staffordshire, Staffordshire

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

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M Sport

(2021) BMW M340 M Sport 374 HP

£29,900

Good price

You save £1,600

WD3 3RT Croxley Green, Hertfordshire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-2%

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
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 182 g CO2/km comb.
mpg: 8
Details

Good price

£58,500

£59,980

S92RQ

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1 / 3

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

3 Series i xDrive MHT 4dr Step

2021
50,238 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
mpg: 7.7
Details

Good price

£29,900

WD3 3RT Croxley Green, Hertfordshire

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-4%

1 / 4

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

3 Series i xDrive MHT 4dr Step

2021
78,359 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 176 g CO2/km comb.
mpg: 7.7
Details

Good price

£25,300

£26,400

WS11 1SL Staffordshire, Staffordshire

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1 / 1

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

- 3 Series i xDrive MHT 392 4dr

2026
0 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 6.9
Details

Good price

£58,850

S92RQ

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M Sport

(2026) BMW M340 M Sport 392 HP

£60,000

Good price

You save £2,700

S92RQ

159 g CO2/km comb. - 392 HP (288 kW) - 6.9 Mpg

Carwow Leasing

M Sport

(2026) BMW M340 M Sport 392 HP

£58,850

Good price

You save £3,850

S92RQ

159 g CO2/km comb. - 392 HP (288 kW) - 6.9 Mpg

Carwow Leasing

M Sport

(2026) BMW M340 M Sport 392 HP

£57,250

Super price

You save £5,850

S92RQ

159 g CO2/km comb. - 392 HP (288 kW) - 6.9 Mpg

Carwow Leasing

M Sport

(2025) BMW M340 M Sport 374 HP

£58,500

Good price

You save £2,700

S92RQ

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

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

- 3 Series i xDrive MHT 392 4dr

2026
0 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 6.9
Details

Good price

£59,500

S92RQ

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1 / 1

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

- 3 Series i xDrive MHT 392 4dr

2026
0 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 6.9
Details

Good price

£60,000

S92RQ

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Availability verified

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

- 3 Series i xDrive MHT 392 4dr

2026
0 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 6.9
Details

Good price

£59,000

S92RQ

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1 / 1

New (2026) BMW M340 M Sport 392 HP | Super price

- 3 Series i xDrive MHT 392 4dr

2026
0 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 6.9
Details

Super price

£57,250

S92RQ

View the car

Availability verified

New (2026) BMW M340 M Sport 392 HP | Super price

- 3 Series i xDrive MHT 392 4dr

2026
0 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 159 g CO2/km comb.
mpg: 6.9
Details

Super price

£57,700

S92RQ

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-5%

1 / 4

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

3 Series i xDrive Saloon 3.0

2021
30,707 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 176 g CO2/km comb.
mpg: 36.7
Details

Good price

£32,950

£34,950

Motors.co.uk

NE2 4LE Tyne And Wear, Tyne And Wear

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M Sport

(2025) BMW M340 M Sport 374 HP

£62,000

Fair price

Estimated price £61,158

S92RQ

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

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M Sport

(2021) BMW M340 M Sport 374 HP

£25,300

Good price

You save £2,200

WS11 1SL Staffordshire, Staffordshire

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

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Impressive

(2024) BMW M340 Impressive 340 HP

£46,000

Good price

You save £2,600

WC1E 7DP Greater London, London

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

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Used BMW M340 340 HP (250 kW) 2024 Sedan

(2024) BMW M340 340 HP

£42,500

Fair price

You save £1,600

CM1 3BH Essex, Essex

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

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

3 Series i xDrive Saloon 3.0

Sep 2020
30,671 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 185 g CO2/km comb.
mpg: 34.9
Details

Good price

£32,450

£39,995

Bmw.co.uk

RH10 1TN West Sussex, West Sussex

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-5%

1 / 4

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

3 Series i xDrive Touring 3.0

2025
7,259 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 188 g CO2/km comb.
mpg: 34
Details

Super price

£50,999

£53,999

Motors.co.uk

CH1 4LS Chester, Cheshire

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-3%

1 / 4

Used (2021) BMW M340 M Sport | Good price

3 Series i xDrive MHT 4dr Step

2021
31,468 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
Details

Good price

£31,995

£32,995

Motors.co.uk

LE12 Costock, Nottinghamshire

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-4%

1 / 4

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

3 Series i xDrive MHT 4dr Step

2024
17,302 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
Details

Super price

£40,295

£41,995

Motors.co.uk

PL9 7HE Plymouth, Devon

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-6%

1 / 4

Used (2022) BMW M340 M Sport 368 HP | Super price

3 Series i xDrive MHT 4dr Step

2022
16,841 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
368 HP (270 kW)
Details

Super price

£35,395

£37,995

Buyacar

Delivered to you

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-3%

1 / 4

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

3 Series i xDrive Saloon 3.0

2025
5,095 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 183 g CO2/km comb.
mpg: 34.9
Details

Super price

£52,500

£54,500

Bmw.co.uk

LE19 Leicestershire, Leicestershire

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-3%

1 / 4

Used (2025) BMW M340 M Sport | Super price

3 Series i xDrive Saloon M PRO

2025
4,031 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
Details

Super price

£52,150

£53,950

Exchange and Mart

West Yorkshire, West Yorkshire

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-4%

Used (2025) BMW M340 M Sport | Super price

3 Series i xDrive Saloon M SPORT

2025
7,629 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
Details

Super price

£48,950

£51,500

Exchange and Mart

West Yorkshire, West Yorkshire

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-4%

1 / 4

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

3 Series i xDrive MHT 392 5dr Step

Jan 2026
3,000 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
392 HP (288 kW)
CO2 emissions: 165 g CO2/km comb.
Details

Super price

£58,475

£60,995

Dealer

Bmw, Dumfriesshire

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-1%

1 / 4

Used (2026) BMW M340 M Sport 374 HP | Super price

3 Series i xDrive MHT 4dr Step

Feb 2026
3,000 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
374 HP (275 kW)
CO2 emissions: 177 g CO2/km comb.
Details

Super price

£54,475

£55,475

Dealer

Bmw, Dumfriesshire

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Comfort Edition

(2024) BMW M340 Comfort Edition 340 HP

£52,780

Fair price

Estimated price £51,425

YO304WR, North Yorkshire

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

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Performance

(2020) BMW M340 Performance 374 HP

£31,822

Good price

You save £2,278

YO304WR, North Yorkshire

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

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M Sport

(2020) BMW 440 M Sport 326 HP

£23,377

Fair price

You save £423

SO31 7FL Lower Swanwick, Hampshire

185 g CO2/km comb. - 326 HP (239 kW) - 8.0 Mpg

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M Sport

(2020) BMW 440 M Sport 326 HP

£17,988

Super price

You save £3,012

E65LU

185 g CO2/km comb. - 326 HP (239 kW) - 8.0 Mpg

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1 / 4

Used (2022) BMW M340 M Sport | Super price

3 Series i xDrive MHT 4dr Step

2022
27,445 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
Details

Super price

£34,088

£36,600

Motors.co.uk

BR6 7QR Greater London, London

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-2%

1 / 4

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

3 Series i xDrive Saloon 3.0

2025
3,950 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
mpg: 34.9
Details

Super price

£50,780

£52,216

Bmw.co.uk

SE18 6SR Greater London, London

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-1%

1 / 4

Used (2026) BMW M340 M Sport 368 HP | Super price

3 Series i xDrive MHT 4dr Step

2026
3,000 miles
Trim level: M Sport
3.0L Hybrid
Sedan
Automatic
368 HP (270 kW)
Details

Super price

£54,475

£55,475

Buyacar

Delivered to you

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-3%

1 / 4

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

3 Series i xDrive Saloon 3.0

2025
4,031 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 189 g CO2/km comb.
mpg: 33.6
Details

Super price

£52,150

£53,950

Bmw.co.uk

HD1 6NN West Yorkshire, West Yorkshire

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-4%

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

3 Series i xDrive Saloon 3.0

2025
7,629 miles
Trim level: M Sport
3.0L Petrol
Sedan
Automatic
369 HP (271 kW)
CO2 emissions: 182 g CO2/km comb.
mpg: 34.9
Details

Super price

£48,950

£51,500

Bmw.co.uk

WF2 9BE West Yorkshire, West Yorkshire

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Premium Plus

(2020) Mercedes E53 AMG Premium Plus 435 HP

£34,301

Good price

You save £1,899

RG18EQ

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

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Comfort Edition

(2024) BMW M2 Comfort Edition 460 HP

£45,895

Fair price

Estimated price £44,795

SY13TB

220 g CO2/km comb. - 460 HP (338 kW) - 9.7 Mpg

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Competition Edition

(2020) BMW M2 Competition Edition 411 HP

£38,991

Fair price

Estimated price £38,593

HU143HH

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

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Sport

(2023) Audi TT RS Sport 400 HP

£42,999

Good price

You save £1,801

PE32 1DD Pott Row, Norfolk

201 g CO2/km comb. - 400 HP (294 kW) - 8.9 Mpg

Showing 1 - 25 of 277 results

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BMW M340 (413)