Top BHP Straight 6

Most Powerful Straight 6 Engines

Top 20

Cars With The Most Powerful Straight 6 Engines

Cars With The Most Powerful Straight 6 Engines

By David ChappleUpdated 27 May 2025

These are the cars with the most powerful Straight Six road-going production engines ever made.

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2005 TVR Typhon 4.0 SC
Engine Power: 582 BHP
1^st

(2005 - 2006)
...on 4.0 SC

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4 L Inline 6 Supercharged

199 mph

3.7 seconds

582 BHP

12.3 mpg

2 Doors

2 Seats

275 L

1,235 kg
Front - RWD
All Specs
With an engine power output of 582 BHP, the TVR Typhon 4.0 SC takes first place.
It's a 2 door RWD Coupé with 2 seats and was sold from 2005 to 2006.
It is also 1st in The Highest Power / Litre TVR Cars Ever.
2023 BMW 3.0 CSL (G82)
Engine Power: 552 BHP
2^nd

(2023)
...3.0 CSL

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3 L Inline 6 Bi-Turbo

187 mph

3.6 seconds

552 BHP

25.7 mpg

2 Doors

2 Seats

440 L

1,624 kg
Front - RWD
All Specs
With an engine power output of 552 BHP, the BMW 3.0 CSL takes second 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.
2025 BMW M3 CS Touring (G81)
Engine Power: 542 BHP
3^rd

(2025 - present)
...S Touring

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3 L Inline 6 Bi-Turbo

186 mph

3.5 seconds

542 BHP

26.9 mpg

5 Doors

5 Seats

500-1,510 L

1,850 kg
Front - 4WD
All Specs
With an engine power output of 542 BHP, the BMW M3 CS Touring takes joint third place.
It's a 5 door 4WD Estate with 5 seats, with deliveries starting in 2025.
It is also joint 2nd in The Highest Power / Litre BMW Cars Ever.
2024 BMW M4 CS (G82)
Engine Power: 542 BHP
4^th

(2024 - present)
...M4 CS

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3 L Inline 6 Bi-Turbo

188 mph

3.4 seconds

542 BHP

27.7 mpg

2 Doors

4 Seats

440 L

1,760 kg
Front - 4WD
All Specs
With an engine power output of 542 BHP, the BMW M4 CS takes joint third 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 BMW Cars Ever.
2023 BMW M3 CS (G80)
Engine Power: 542 BHP
5^th

(2023 - 2024)
...M3 CS

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3 L Inline 6 Bi-Turbo

188 mph

3.4 seconds

542 BHP

28 mpg

4 Doors

5 Seats

480 L

1,765 kg
Front - 4WD
All Specs
With an engine power output of 542 BHP, the BMW M3 CS takes joint third place.
It's a 4 door 4WD Saloon with 5 seats and was sold from 2023 to 2024.
It is also joint 2nd in The Highest Power / Litre BMW Cars Ever.
2022 BMW M4 CSL (G82)
Engine Power: 542 BHP
6^th

(2022 - 2024)
...M4 CSL

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3 L Inline 6 Bi-Turbo

191 mph

3.7 seconds

542 BHP

28.8 mpg

2 Doors

2 Seats

440 L

1,625 kg
Front - RWD
All Specs
With an engine power output of 542 BHP, the BMW M4 CSL takes joint third 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.
2025 BMW M2 CS (G87)
Engine Power: 523 BHP
7^th

(2025 - present)
...M2 CS

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3 L Inline 6 Bi-Turbo

188 mph

3.8 seconds

523 BHP

28.2 mpg

2 Doors

4 Seats

390 L

1,700 kg
Front - RWD
All Specs
With an engine power output of 523 BHP, the BMW M2 CS takes joint seventh 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 BMW Cars Ever.
2024 BMW M4 Competition Coupé xDrive (G82)
Engine Power: 523 BHP
8^th

(2024 - present)
...é xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.5 seconds

523 BHP

28.2 mpg

2 Doors

4 Seats

440 L

1,775 kg
Front - 4WD
All Specs
With an engine power output of 523 BHP, the BMW M4 Competition Coupé xDrive takes joint seventh 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 BMW Cars Ever.
2024 BMW M3 Competition xDrive (G80)
Engine Power: 523 BHP
9^th

(2024 - present)
...on xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.5 seconds

523 BHP

28 mpg

4 Doors

5 Seats

480 L

1,780 kg
Front - 4WD
All Specs
With an engine power output of 523 BHP, the BMW M3 Competition xDrive takes joint seventh place.
It's a 4 door 4WD Saloon with 5 seats, with deliveries starting in 2024.
It is also joint 6th in The Highest Power / Litre BMW Cars Ever.
2024 BMW M3 Competition Touring xDrive (G81)
Engine Power: 523 BHP
10^th

(2024 - present)
...ng xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.6 seconds

523 BHP

27.4 mpg

5 Doors

5 Seats

500-1,510 L

1,865 kg
Front - 4WD
All Specs
With an engine power output of 523 BHP, the BMW M3 Competition Touring xDrive takes joint seventh place.
It's a 5 door 4WD Estate with 5 seats, with deliveries starting in 2024.
It is also joint 6th in The Highest Power / Litre BMW Cars Ever.
2024 BMW M4 Competition Convertible xDrive (G83)
Engine Power: 523 BHP
11^th

(2024 - present)
...le xDrive

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3 L Inline 6 Bi-Turbo Petrol

155 mph

3.7 seconds

523 BHP

27.7 mpg

2 Doors

4 Seats

385 L

1,925 kg
Front - 4WD
All Specs
With an engine power output of 523 BHP, the BMW M4 Competition Convertible xDrive takes joint seventh 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 BMW Cars Ever.
2025 Alpina B4 GT Gran Coupé (G24)
Engine Power: 522 BHP
12^th

(2025 - present)
...an Coupé

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3 L Inline 6 Bi-Turbo

190 mph

3.5 seconds

522 BHP

26.6 mpg

4 Doors

5 Seats

470-1,290 L

1,890 kg
Front - AWD
All Specs
With an engine power output of 522 BHP, the Alpina B4 GT Gran Coupé takes joint twelfth place.
It's a 4 door AWD Coupé with 5 seats, with deliveries starting in 2025.
It is also joint 1st in The Highest Power / Litre Alpina Cars Ever.
2024 Alpina B3 GT AWD (G20)
Engine Power: 522 BHP
13^th

(2024 - present)
...B3 GT AWD

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3 L Inline 6 Bi-Turbo

191 mph

3.4 seconds

522 BHP

26.6 mpg

4 Doors

5 Seats

480 L

1,800 kg
Front - AWD
All Specs
With an engine power output of 522 BHP, the Alpina B3 GT AWD takes joint twelfth place.
It's a 4 door AWD Saloon with 5 seats, with deliveries starting in 2024.
It is also joint 1st in The Highest Power / Litre Alpina Cars Ever.
2024 Alpina B3 GT Touring AWD (G21)
Engine Power: 522 BHP
14^th

(2024 - present)
...uring AWD

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3 L Inline 6 Bi-Turbo

190 mph

3.5 seconds

522 BHP

26.6 mpg

4 Doors

5 Seats

500-1,510 L

1,870 kg
Front - AWD
All Specs
With an engine power output of 522 BHP, the Alpina B3 GT Touring AWD takes joint twelfth place.
It's a 4 door AWD Estate with 5 seats, with deliveries starting in 2024.
It is also joint 1st in The Highest Power / Litre Alpina Cars Ever.
2024 BMW M4 Competition Coupé (G82)
Engine Power: 503 BHP
15^th

(2024 - present)
...on Coupé

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 BHP

29.1 mpg

2 Doors

4 Seats

440 L

1,725 kg
Front - RWD
All Specs
With an engine power output of 503 BHP, the BMW M4 Competition Coupé takes joint fifteenth place.
It's a 2 door RWD Coupé with 4 seats, with deliveries starting in 2024.
It is also joint 11th in The Highest Power / Litre BMW Cars Ever.
2024 BMW M3 Competition (G80)
Engine Power: 503 BHP
16^th

(2024 - present)
...mpetition

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 BHP

29.1 mpg

4 Doors

5 Seats

480 L

1,730 kg
Front - RWD
All Specs
With an engine power output of 503 BHP, the BMW M3 Competition takes joint fifteenth place.
It's a 4 door RWD Saloon with 5 seats, with deliveries starting in 2024.
It is also joint 11th in The Highest Power / Litre BMW Cars Ever.
2022 BMW M3 Competition Touring xDrive (G81)
Engine Power: 503 BHP
17^th

(2022 - 2024)
...ng xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.6 seconds

503 BHP

28 mpg

5 Doors

5 Seats

500-1,510 L

1,865 kg
Front - 4WD
All Specs
With an engine power output of 503 BHP, the BMW M3 Competition Touring xDrive takes joint fifteenth place.
It's a 5 door 4WD Estate with 5 seats and was sold from 2022 to 2024.
It is also joint 11th in The Highest Power / Litre BMW Cars Ever.
2021 BMW M4 Competition Coupé (G82)
Engine Power: 503 BHP
18^th

(2021 - 2024)
...on Coupé

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 BHP

27.7 mpg

2 Doors

4 Seats

440 L

1,725 kg
Front - RWD
All Specs
With an engine power output of 503 BHP, the BMW M4 Competition Coupé takes joint fifteenth place.
It's a 2 door RWD Coupé with 4 seats and was sold from 2021 to 2024.
It is also joint 11th in The Highest Power / Litre BMW Cars Ever.
2021 BMW M3 Competition (G80)
Engine Power: 503 BHP
19^th

(2021 - 2024)
...mpetition

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3 L Inline 6 Bi-Turbo

155 mph

3.9 seconds

503 BHP

27.7 mpg

4 Doors

5 Seats

480 L

1,730 kg
Front - RWD
All Specs
With an engine power output of 503 BHP, the BMW M3 Competition takes joint fifteenth place.
It's a 4 door RWD Saloon with 5 seats and was sold from 2021 to 2024.
It is also joint 11th in The Highest Power / Litre BMW Cars Ever.
2021 BMW M3 Competition xDrive (G80)
Engine Power: 503 BHP
20^th

(2021 - 2024)
...on xDrive

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3 L Inline 6 Bi-Turbo

155 mph

3.5 seconds

503 BHP

28 mpg

4 Doors

5 Seats

480 L

1,780 kg
Front - 4WD
All Specs
With an engine power output of 503 BHP, the BMW M3 Competition xDrive takes joint fifteenth place.
It's a 4 door 4WD Saloon with 5 seats and was sold from 2021 to 2024.
It is also joint 11th in The Highest Power / Litre BMW Cars Ever.

Other Car Rankings

Top BHP V12 350+ totalTop BHP V10 80+ totalTop BHP N/A V8 1.1K totalTop BHP V8 1.9K totalTop BHP N/A V12 260+ totalTop BHP N/A Inline 4 6.2K totalTop BHP Inline 4 13.9K totalTop BHP N/A Straight 6 700+ totalBest MPG 23K totalTop BHP/L 22.2K total

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