Top BHP N/A Straight 6

Most Powerful Naturally Aspirated Inline 6 Engines

Top 20

Cars With Most Powerful Naturally Aspirated Inline 6 Engines

Cars With Most Powerful Naturally Aspirated Inline 6 Engines

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

  1. 2005 TVR T440 R

    Engine Power: 434 hp

    1st
    (2005 - 2006)
    ...T440 R
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    4.2 L Inline 6
    
    199 mph
    
    3.7 seconds
    
    434 hp
    
    13.3 mpg
    
    2 Doors
    
    2 Seats
    
    9.7 ft3
    lb
    2,679 lbs
    Front - RWD
    All Specs

    With an engine power output of 434 hp, the TVR T440 R takes joint first place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2005 to 2006.
    It is also joint 2nd in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  2. 2003 TVR T440 R

    Engine Power: 434 hp

    2nd
    (2003 - 2004)
    ...T440 R
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    4.2 L Inline 6
    
    211 mph
    
    3.7 seconds
    
    434 hp
    
    13.3 mpg
    
    2 Doors
    
    2 Seats
    
    9.7 ft3
    lb
    2,833 lbs
    Front - RWD
    All Specs

    With an engine power output of 434 hp, the TVR T440 R takes joint first place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2003 to 2004.
    It is also 2nd in The Fastest TVR Cars Ever.

  3. 2005 TVR Sagaris

    Engine Power: 395 hp

    3rd
    (2005 - 2006)
    ...Sagaris
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    4 L Inline 6
    
    186 mph
    
    3.9 seconds
    
    395 hp
    
    18.1 mpg
    
    2 Doors
    
    2 Seats
    
    13.1 ft3
    lb
    2,377 lbs
    Front Mid - RWD
    All Specs

    With an engine power output of 395 hp, the TVR Sagaris takes joint third place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2005 to 2006.
    It is also 5th in The Highest Power / Weight TVR Cars Ever.

  4. 2005 TVR Tuscan Roadster S

    Engine Power: 395 hp

    4th
    (2005 - 2006)
    ...oadster S
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    4 L Inline 6
    
    193 mph
    
    3.8 seconds
    
    395 hp
    
    14.7 mpg
    
    2 Doors
    
    2 Seats
    
    9.7 ft3
    lb
    2,535 lbs
    Front - RWD
    All Specs

    With an engine power output of 395 hp, the TVR Tuscan Roadster S takes joint third place.
    It's a 2 door RWD Targa Top with 2 seats and was sold from 2005 to 2006.
    It is also joint 5th in The Fastest Acceleration TVR Cars Ever.

  5. 2003 BMW M3 Coupé CSL (E46)

    Engine Power: 355 hp

    5th
    (2003 - 2004)
    ...oupé CSL
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    3.2 L Inline 6
    
    155 mph
    
    4.9 seconds
    
    355 hp
    
    19.7 mpg
    
    2 Doors
    
    4 Seats
    
    14.5 ft3
    lb
    3,053 lbs
    Front - RWD
    All Specs

    With an engine power output of 355 hp, the BMW M3 Coupé CSL takes joint fifth place.
    It's a 2 door RWD Coupé with 4 seats and was sold from 2003 to 2004.
    It is also 1st in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  6. 2001 TVR Tuscan Speed Six

    Engine Power: 355 hp

    6th
    (2001 - 2003)
    ...Speed Six
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    4 L Inline 6
    
    180 mph
    
    4.2 seconds
    
    355 hp
    
    15.5 mpg
    
    2 Doors
    
    2 Seats
    
    9.7 ft3
    lb
    2,425 lbs
    Front - RWD
    All Specs

    With an engine power output of 355 hp, the TVR Tuscan Speed Six takes joint fifth place.
    It's a 2 door RWD Targa Top with 2 seats and was sold from 2001 to 2003.
    It is also 9th in The Fastest TVR Cars Ever.

  7. 2003 TVR T350 C

    Engine Power: 350 hp

    7th
    (2003 - 2005)
    ...T350 C
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    3.6 L Inline 6
    
    174 mph
    
    4.5 seconds
    
    350 hp
    
    19.5 mpg
    
    2 Doors
    
    2+2 Seats
    
    8.8-17.7 ft3
    lb
    2,337 lbs
    Front Mid - RWD
    All Specs

    With an engine power output of 350 hp, the TVR T350 C takes joint seventh place.
    It's a 2 door RWD Coupé with 2+2 seats and was sold from 2003 to 2005.
    It is also 6th in The Best MPG TVR Cars Ever.

  8. 2003 TVR Tamora

    Engine Power: 350 hp

    8th
    (2003 - 2005)
    ...Tamora
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    3.6 L Inline 6
    
    174 mph
    
    4.5 seconds
    
    350 hp
    
    16.1 mpg
    
    2 Doors
    
    2 Seats
    
    10.9 ft3
    lb
    2,425 lbs
    Front Mid - RWD
    All Specs

    With an engine power output of 350 hp, the TVR Tamora takes joint seventh place.
    It's a 2 door RWD Convertible with 2 seats and was sold from 2003 to 2005.
    It is also joint 8th in The Highest Power / Cubic Capacity TVR Cars Ever.

  9. 2004 TVR Tuscan

    Engine Power: 345 hp

    9th
    (2004 - 2005)
    ...Tuscan
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    3.6 L Inline 6
    
    180 mph
    
    4.2 seconds
    
    345 hp
    
    16.8 mpg
    
    2 Doors
    
    2 Seats
    
    9.7 ft3
    lb
    2,425 lbs
    Front - RWD
    All Specs

    With an engine power output of 345 hp, the TVR Tuscan takes joint ninth place.
    It's a 2 door RWD Targa Top with 2 seats and was sold from 2004 to 2005.
    It is also joint 6th in The Fastest TVR Cars Ever.

  10. 2003 TVR Tuscan

    Engine Power: 345 hp

    10th
    (2003 - 2004)
    ...Tuscan
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    4 L Inline 6
    
    180 mph
    
    4.2 seconds
    
    345 hp
    
    15.8 mpg
    
    2 Doors
    
    2 Seats
    
    9.7 ft3
    lb
    2,712 lbs
    Front - RWD
    All Specs

    With an engine power output of 345 hp, the TVR Tuscan takes joint ninth place.
    It's a 2 door RWD Targa Top with 2 seats and was sold from 2003 to 2004.
    It is also joint 10th in The Fastest TVR Cars Ever.

  11. 2002 TVR Tamora

    Engine Power: 345 hp

    11th
    (2002 - 2003)
    ...Tamora
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    3.6 L Inline 6
    
    174 mph
    
    4.5 seconds
    
    345 hp
    
    15.8 mpg
    
    2 Doors
    
    2 Seats
    
    10.9 ft3
    lb
    2,337 lbs
    Front Mid - RWD
    All Specs

    With an engine power output of 345 hp, the TVR Tamora takes joint ninth place.
    It's a 2 door RWD Convertible with 2 seats and was sold from 2002 to 2003.
    It is also 9th in The Highest Power / Weight TVR Cars Ever.

  12. 1999 TVR Cerbera Speed Six

    Engine Power: 345 hp

    12th
    (1999 - 2003)
    ...Speed Six
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    4 L Inline 6
    
    160 mph
    
    4.4 seconds
    
    345 hp
    
    14.7 mpg
    
    2 Doors
    
    2+2 Seats
    
    13.8 ft3
    lb
    2,491 lbs
    Front - RWD
    All Specs

    With an engine power output of 345 hp, the TVR Cerbera Speed Six takes joint ninth place.
    It's a 2 door RWD Coupé with 2+2 seats and was sold from 1999 to 2003.
    It is also 11th in The Highest Torque TVR Cars Ever.

  13. 2006 Wiesmann Roadster MF3

    Engine Power: 338 hp

    13th
    (2006 - 2010)
    ...dster MF3
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    3.2 L Inline 6
    
    158 mph
    
    4.9 seconds
    
    338 hp
    
    19.4 mpg
    
    2 Doors
    
    2 Seats
    
    8.1 ft3
    lb
    2,601 lbs
    Front Mid - RWD
    All Specs

    With an engine power output of 338 hp, the Wiesmann Roadster MF3 takes joint thirteenth place.
    It's a 2 door RWD Roadster with 2 seats and was sold from 2006 to 2010.
    It is also joint 2nd in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  14. 2006 BMW Z4 M Roadster (E85)

    Engine Power: 338 hp

    14th
    (2006 - 2008)
    ...Roadster
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    3.2 L Inline 6
    
    155 mph
    
    5.0 seconds
    
    338 hp
    
    19.4 mpg
    
    2 Doors
    
    2 Seats
    
    7.8 ft3
    lb
    3,274 lbs
    Front - RWD
    All Specs

    With an engine power output of 338 hp, the BMW Z4 M Roadster takes joint thirteenth place.
    It's a 2 door RWD Roadster with 2 seats and was sold from 2006 to 2008.
    It is also joint 2nd in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  15. 2006 BMW Z4 M Coupé (E86)

    Engine Power: 338 hp

    15th
    (2006 - 2008)
    ...M Coupé
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    3.2 L Inline 6
    
    155 mph
    
    5.0 seconds
    
    338 hp
    
    19.4 mpg
    
    2 Doors
    
    2 Seats
    
    8.7 ft3
    lb
    3,296 lbs
    Front - RWD
    All Specs

    With an engine power output of 338 hp, the BMW Z4 M Coupé takes joint thirteenth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2006 to 2008.
    It is also joint 2nd in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  16. 2001 BMW M3 Coupé (E46)

    Engine Power: 338 hp

    16th
    (2001 - 2006)
    ...M3 Coupé
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    3.2 L Inline 6
    
    155 mph
    
    5.2 seconds
    
    338 hp
    
    17.6 mpg
    
    2 Doors
    
    5 Seats
    
    14.5 ft3
    lb
    3,461 lbs
    Front - RWD
    All Specs

    With an engine power output of 338 hp, the BMW M3 Coupé takes joint thirteenth place.
    It's a 2 door RWD Coupé with 5 seats and was sold from 2001 to 2006.
    It is also joint 2nd in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  17. 2001 BMW M3 Cabrio (E46)

    Engine Power: 338 hp

    17th
    (2001 - 2006)
    ...M3 Cabrio
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    3.2 L Inline 6
    
    155 mph
    
    5.5 seconds
    
    338 hp
    
    17.3 mpg
    
    2 Doors
    
    4 Seats
    
    10.6 ft3
    lb
    3,814 lbs
    Front - RWD
    All Specs

    With an engine power output of 338 hp, the BMW M3 Cabrio takes joint thirteenth place.
    It's a 2 door RWD Convertible with 4 seats and was sold from 2001 to 2006.
    It is also joint 2nd in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  18. 1994 BMW M5 (E34)

    Engine Power: 335 hp

    18th
    (1994 - 1995)
    ...M5
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    3.8 L Inline 6
    
    155 mph
    
    5.9 seconds
    
    335 hp
    
    19.6 mpg
    
    4 Doors
    
    5 Seats
    
    16.2 ft3
    lb
    3,622 lbs
    Front - RWD
    All Specs

    With an engine power output of 335 hp, the BMW M5 takes joint eighteenth place.
    It's a 4 door RWD Sedan with 5 seats and was sold from 1994 to 1995.
    It is also joint 49th in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  19. 1994 BMW M5 touring (E34)

    Engine Power: 335 hp

    19th
    (1994 - 1995)
    ...5 touring
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    3.8 L Inline 6
    
    155 mph
    
    5.9 seconds
    
    335 hp
    
    20.5 mpg
    
    5 Doors
    
    5 Seats
    
    16.2-54.4 ft3
    lb
    3,777 lbs
    Front - RWD
    All Specs

    With an engine power output of 335 hp, the BMW M5 touring takes joint eighteenth place.
    It's a 5 door RWD Wagon with 5 seats and was sold from 1994 to 1995.
    It is also joint 49th in The Highest BHP/Litre Naturally Aspirated Inline 6 Cars Ever.

  20. 1992 BMW M5 (E34)

    Engine Power: 335 hp

    20th
    (1992 - 1994)
    ...M5
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    3.8 L Inline 6
    
    155 mph
    
    5.9 seconds
    
    335 hp
    
    19.6 mpg
    
    4 Doors
    
    5 Seats
    
    16.2 ft3
    lb
    3,638 lbs
    Front - RWD
    All Specs

    With an engine power output of 335 hp, the BMW M5 takes joint eighteenth place.
    It's a 4 door RWD Sedan with 5 seats and was sold from 1992 to 1994.
    It is also joint 49th in The Highest BHP/Litre Naturally Aspirated Inline 6 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 Straight 6 1.6K totalBest MPG 23K totalTop BHP/L 22.2K total
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