Top HP/cu in BMWs

Highest Specific Output BMW Cars In The World

Top 20

The Highest Power / Cubic Capacity BMW Cars Ever

The Highest Power / Cubic Capacity BMW Cars Ever

By David ChappleRevised May 27, 2025

These cars have highest specific output engines of any production BMW ever.

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2023 BMW 3.0 CSL (G82)
Specific Output: 3.02 hp/in³
1^st

(2023)
...3.0 CSL

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3 L Inline 6 Bi-Turbo

187 mph

3.6 seconds

552 hp

21.4 mpg

2 Doors

2 Seats

15.5 ft³

3,580 lbs
Front - RWD
All Specs
With a specific output of 3.02 hp/in³, the BMW 3.0 CSL takes first place.
It's a 2 door RWD Coupé with 2 seats and was sold during 2023.
It is also 1st in The Highest Power / Litre Straight Six Engined Cars Ever.
2022 BMW M4 CSL (G82)
Specific Output: 2.97 hp/in³
2^nd

(2022 - 2024)
...M4 CSL

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3 L Inline 6 Bi-Turbo

191 mph

3.7 seconds

542 hp

24 mpg

2 Doors

2 Seats

15.5 ft³

3,583 lbs
Front - RWD
All Specs
With a specific output of 2.97 hp/in³, the BMW M4 CSL takes joint second place.
It's a 2 door RWD Coupé with 2 seats and was sold from 2022 to 2024.
It is also 1st in The Fastest BMW Cars Ever.
2024 BMW M4 CS (G82)
Specific Output: 2.97 hp/in³
3^rd

(2024 - present)
...M4 CS

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3 L Inline 6 Bi-Turbo

188 mph

3.4 seconds

542 hp

23.1 mpg

2 Doors

4 Seats

15.5 ft³

3,880 lbs
Front - 4WD
All Specs
With a specific output of 2.97 hp/in³, the BMW M4 CS takes joint second place.
It's a 2 door 4WD Coupé with 4 seats, with deliveries starting in 2024.
It is also joint 2nd in The Highest Power / Litre Straight Six Engined Cars Ever.
2023 BMW M3 CS (G80)
Specific Output: 2.97 hp/in³
4^th

(2023 - 2024)
...M3 CS

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3 L Inline 6 Bi-Turbo

188 mph

3.4 seconds

542 hp

23.3 mpg

4 Doors

5 Seats

17 ft³

3,891 lbs
Front - 4WD
All Specs
With a specific output of 2.97 hp/in³, the BMW M3 CS takes joint second place.
It's a 4 door 4WD Sedan with 5 seats and was sold from 2023 to 2024.
It is also joint 2nd in The Highest Power / Litre Straight Six Engined Cars Ever.
2025 BMW M3 CS Touring (G81)
Specific Output: 2.97 hp/in³
5^th

(2025 - present)
...S Touring

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3 L Inline 6 Bi-Turbo

186 mph

3.5 seconds

542 hp

22.4 mpg

5 Doors

5 Seats

17.7-53.3 ft³

4,079 lbs
Front - 4WD
All Specs
With a specific output of 2.97 hp/in³, the BMW M3 CS Touring takes joint second place.
It's a 5 door 4WD Wagon with 5 seats, with deliveries starting in 2025.
It is also joint 3rd in Cars With The Most Powerful Straight 6 Engines.
2025 BMW M2 CS (G87)
Specific Output: 2.87 hp/in³
6^th

(2025 - present)
...M2 CS

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3 L Inline 6 Bi-Turbo

188 mph

3.8 seconds

523 hp

23.5 mpg

2 Doors

4 Seats

13.8 ft³

3,748 lbs
Front - RWD
All Specs
With a specific output of 2.87 hp/in³, the BMW M2 CS takes joint sixth place.
It's a 2 door RWD Coupé with 4 seats, with deliveries starting in 2025.
It is also joint 6th in The Highest Power / Litre Straight Six Engined Cars Ever.
2024 BMW M4 Competition Coupé xDrive (G82)
Specific Output: 2.87 hp/in³
7^th

(2024 - present)
...é xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.5 seconds

523 hp

23.5 mpg

2 Doors

4 Seats

15.5 ft³

3,913 lbs
Front - 4WD
All Specs
With a specific output of 2.87 hp/in³, the BMW M4 Competition Coupé xDrive takes joint sixth place.
It's a 2 door 4WD Coupé with 4 seats, with deliveries starting in 2024.
It is also joint 6th in The Highest Power / Litre Straight Six Engined Cars Ever.
2024 BMW M3 Competition xDrive (G80)
Specific Output: 2.87 hp/in³
8^th

(2024 - present)
...on xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.5 seconds

523 hp

23.3 mpg

4 Doors

5 Seats

17 ft³

3,924 lbs
Front - 4WD
All Specs
With a specific output of 2.87 hp/in³, the BMW M3 Competition xDrive takes joint sixth place.
It's a 4 door 4WD Sedan with 5 seats, with deliveries starting in 2024.
It is also joint 6th in The Highest Power / Litre Straight Six Engined Cars Ever.
2024 BMW M3 Competition Touring xDrive (G81)
Specific Output: 2.87 hp/in³
9^th

(2024 - present)
...ng xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.6 seconds

523 hp

22.8 mpg

5 Doors

5 Seats

17.7-53.3 ft³

4,112 lbs
Front - 4WD
All Specs
With a specific output of 2.87 hp/in³, the BMW M3 Competition Touring xDrive takes joint sixth place.
It's a 5 door 4WD Wagon with 5 seats, with deliveries starting in 2024.
It is also joint 6th in The Highest Power / Litre Straight Six Engined Cars Ever.
2024 BMW M4 Competition Convertible xDrive (G83)
Specific Output: 2.87 hp/in³
10^th

(2024 - present)
...le xDrive

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3 L Inline 6 Bi-Turbo Gas

155 mph

3.7 seconds

523 hp

23.1 mpg

2 Doors

4 Seats

13.6 ft³

4,244 lbs
Front - 4WD
All Specs
With a specific output of 2.87 hp/in³, the BMW M4 Competition Convertible xDrive takes joint sixth place.
It's a 2 door 4WD Convertible with 4 seats, with deliveries starting in 2024.
It is also joint 6th in The Highest Power / Litre Straight Six Engined Cars Ever.
2021 BMW M4 Competition Coupé (G82)
Specific Output: 2.75 hp/in³
11^th

(2021 - 2024)
...on Coupé

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 hp

23.1 mpg

2 Doors

4 Seats

15.5 ft³

3,803 lbs
Front - RWD
All Specs
With a specific output of 2.75 hp/in³, the BMW M4 Competition Coupé takes joint eleventh place.
It's a 2 door RWD Coupé with 4 seats and was sold from 2021 to 2024.
It is also joint 14th in The Highest Power / Litre Straight Six Engined Cars Ever.
2024 BMW M4 Competition Coupé (G82)
Specific Output: 2.75 hp/in³
12^th

(2024 - present)
...on Coupé

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 hp

24.2 mpg

2 Doors

4 Seats

15.5 ft³

3,803 lbs
Front - RWD
All Specs
With a specific output of 2.75 hp/in³, the BMW M4 Competition Coupé takes joint eleventh place.
It's a 2 door RWD Coupé with 4 seats, with deliveries starting in 2024.
It is also joint 14th in The Highest Power / Litre Straight Six Engined Cars Ever.
2021 BMW M3 Competition (G80)
Specific Output: 2.75 hp/in³
13^th

(2021 - 2024)
...mpetition

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 hp

23.1 mpg

4 Doors

5 Seats

17 ft³

3,814 lbs
Front - RWD
All Specs
With a specific output of 2.75 hp/in³, the BMW M3 Competition takes joint eleventh place.
It's a 4 door RWD Sedan with 5 seats and was sold from 2021 to 2024.
It is also joint 14th in The Highest Power / Litre Straight Six Engined Cars Ever.
2024 BMW M3 Competition (G80)
Specific Output: 2.75 hp/in³
14^th

(2024 - present)
...mpetition

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 hp

24.2 mpg

4 Doors

5 Seats

17 ft³

3,814 lbs
Front - RWD
All Specs
With a specific output of 2.75 hp/in³, the BMW M3 Competition takes joint eleventh place.
It's a 4 door RWD Sedan with 5 seats, with deliveries starting in 2024.
It is also joint 15th in Cars With The Most Powerful Straight 6 Engines.
2021 BMW M3 Competition xDrive (G80)
Specific Output: 2.75 hp/in³
15^th

(2021 - 2024)
...on xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.5 seconds

503 hp

23.3 mpg

4 Doors

5 Seats

17 ft³

3,924 lbs
Front - 4WD
All Specs
With a specific output of 2.75 hp/in³, the BMW M3 Competition xDrive takes joint eleventh place.
It's a 4 door 4WD Sedan with 5 seats and was sold from 2021 to 2024.
It is also joint 14th in The Fastest Acceleration BMW Cars Ever.
2021 BMW M4 Competition Coupé xDrive (G82)
Specific Output: 2.75 hp/in³
16^th

(2021 - 2024)
...é xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.5 seconds

503 hp

23.3 mpg

2 Doors

4 Seats

15.5 ft³

3,913 lbs
Front - 4WD
All Specs
With a specific output of 2.75 hp/in³, the BMW M4 Competition Coupé xDrive takes joint eleventh place.
It's a 2 door 4WD Coupé with 4 seats and was sold from 2021 to 2024.
It is also joint 14th in The Fastest Acceleration BMW Cars Ever.
2022 BMW M3 Competition Touring xDrive (G81)
Specific Output: 2.75 hp/in³
17^th

(2022 - 2024)
...ng xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.6 seconds

503 hp

23.3 mpg

5 Doors

5 Seats

17.7-53.3 ft³

4,112 lbs
Front - 4WD
All Specs
With a specific output of 2.75 hp/in³, the BMW M3 Competition Touring xDrive takes joint eleventh place.
It's a 5 door 4WD Wagon with 5 seats and was sold from 2022 to 2024.
It is also joint 15th in Cars With The Most Powerful Straight 6 Engines.
2021 BMW M4 Competition Convertible xDrive (G83)
Specific Output: 2.75 hp/in³
18^th

(2021 - 2024)
...le xDrive

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3 L Inline 6 Bi-Turbo Gas

155 mph

3.7 seconds

503 hp

23.1 mpg

2 Doors

4 Seats

13.6 ft³

4,233 lbs
Front - 4WD
All Specs
With a specific output of 2.75 hp/in³, the BMW M4 Competition Convertible xDrive takes joint eleventh place.
It's a 2 door 4WD Convertible with 4 seats and was sold from 2021 to 2024.
It is also joint 14th in The Highest Power / Litre Straight Six Engined Cars Ever.
2021 BMW X3 M Competition (F97)
Specific Output: 2.75 hp/in³
19^th

(2021 - 2024)
...mpetition

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3 L Inline 6 Bi-Turbo

155 mph

3.8 seconds

503 hp

21.8 mpg

5 Doors

5 Seats

19.4-56.5 ft³

4,431 lbs
Front - AWD
All Specs
With a specific output of 2.75 hp/in³, the BMW X3 M Competition takes joint eleventh place.
It's a 5 door AWD SUV with 5 seats and was sold from 2021 to 2024.
It is also joint 14th in The Highest Power / Litre Straight Six Engined Cars Ever.
2021 BMW X4 M Competition (F98)
Specific Output: 2.75 hp/in³
20^th

(2021 - present)
...mpetition

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3 L Inline 6 Bi-Turbo

155 mph

3.8 seconds

503 hp

22 mpg

5 Doors

5 Seats

18.5-50.5 ft³

4,431 lbs
Front - AWD
All Specs
With a specific output of 2.75 hp/in³, the BMW X4 M Competition takes joint eleventh place.
It's a 5 door AWD SUV with 5 seats, with deliveries starting in 2021.
It is also joint 14th in The Highest Power / Litre Straight Six Engined Cars Ever.

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