Most Powerful Naturally Aspirated Inline 4 Engines

1. 2020 BAC Mono R

   Engine Power: 340 BHP

   1^st
   

   (2020 - present)

   ...Mono R
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   2.4 L Inline 4

   

   170 mph

   

   2.5 seconds

   

   340 BHP

   

   unavailable

   

   0 Doors

   

   1 Seat

   

   80 L

   

   605 kg

   Rear Mid - RWD

   All Specs

   With an engine power output of 340 BHP, the BAC Mono R takes first place.
   It's a 0 door RWD Roadster with 1 seats, with deliveries starting in 2020.
   It is also 1st in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

3. 2016 BAC Mono 2.5

   Engine Power: 305 BHP

   2^nd
   

   (2016 - 2020)

   ...Mono 2.5
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   2.5 L Inline 4

   

   170 mph

   

   2.8 seconds

   

   305 BHP

   

   42.2 mpg

   

   0 Doors

   

   1 Seat

   

   80 L

   

   630 kg

   Rear Mid - RWD

   All Specs

   With an engine power output of 305 BHP, the BAC Mono 2.5 takes second place.
   It's a 0 door RWD Roadster with 1 seats and was sold from 2016 to 2020.
   It is also joint 4th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

5. 2011 BAC Mono 2.3

   Engine Power: 280 BHP

   3^rd
   

   (2011 - 2016)

   ...Mono 2.3
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   2.3 L Inline 4

   

   170 mph

   

   2.8 seconds

   

   280 BHP

   

   unavailable

   

   0 Doors

   

   1 Seat

   

   80 L

   

   600 kg

   Rear Mid - RWD

   All Specs

   With an engine power output of 280 BHP, the BAC Mono 2.3 takes third place.
   It's a 0 door RWD Roadster with 1 seats and was sold from 2011 to 2016.
   It is also 1st in The Quickest Accelerating Cars Under 300 BHP.

7. 1999 Honda S2000 JDM (AP1)

   Engine Power: 247 BHP

   4^th
   

   (1999 - 2003)

   ...S2000 JDM
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   2 L Inline 4

   

   112 mph

   

   6.1 seconds

   

   247 BHP

   

   33.9 mpg

   

   2 Doors

   

   2 Seats

   

   143 L

   

   1,240 kg

   Front Mid - RWD

   All Specs

   With an engine power output of 247 BHP, the Honda S2000 JDM takes fourth place.
   It's a 2 door RWD Roadster with 2 seats and was sold from 1999 to 2003.
   It is also joint 2nd in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

9. 1970 Alfa Romeo 1750 GT Am (105.51)

   Engine Power: 240 BHP

   5^th
   

   (1970 - 1971)

   ...750 GT Am
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   2 L Inline 4

   

   143 mph

   

   5.5 seconds

   

   240 BHP

   

   15 mpg

   

   2 Doors

   

   2 Seats

   

   unavailable

   

   920 kg

   Front - RWD

   All Specs

   With an engine power output of 240 BHP, the Alfa Romeo 1750 GT Am takes fifth place.
   It's a 2 door RWD Coupé with 2 seats and was sold from 1970 to 1971.
   It is also 7th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

11. 2008 Honda S2000 CR (AP2)

    Engine Power: 237 BHP

    6^th
    

    (2008 - 2009)

    ...S2000 CR
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    2.2 L Inline 4

    

    160 mph

    

    6.2 seconds

    

    237 BHP

    

    28.5 mpg

    

    2 Doors

    

    2 Seats

    

    143 L

    

    1,254 kg

    Front Mid - RWD

    All Specs

    With an engine power output of 237 BHP, the Honda S2000 CR takes joint sixth place.
    It's a 2 door RWD Roadster with 2 seats and was sold from 2008 to 2009.
    It is also joint 14th in The Highest Power / Weight Honda Cars Ever.

13. 2007 Honda Civic Mugen RR (ABA-FD2)

    Engine Power: 237 BHP

    7^th
    

    (2007)

    ...Mugen RR
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    2 L Inline 4

    

    150 mph

    

    6.0 seconds

    

    237 BHP

    

    31 mpg

    

    4 Doors

    

    5 Seats

    

    350 L

    

    1,255 kg

    Front - FWD

    All Specs

    With an engine power output of 237 BHP, the Honda Civic Mugen RR takes joint sixth place.
    It's a 4 door FWD Saloon with 5 seats and was sold during 2007.
    It is also joint 8th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

15. 2004 Honda S2000 (AP1)

    Engine Power: 237 BHP

    8^th
    

    (2004 - 2009)

    ...S2000
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    2 L Inline 4

    

    160 mph

    

    6.2 seconds

    

    237 BHP

    

    28.5 mpg

    

    2 Doors

    

    2 Seats

    

    143 L

    

    1,271 kg

    Front Mid - RWD

    All Specs

    With an engine power output of 237 BHP, the Honda S2000 takes joint sixth place.
    It's a 2 door RWD Roadster with 2 seats and was sold from 2004 to 2009.
    It is also joint 8th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

17. 2004 Honda S2000 AP2 (AP2)

    Engine Power: 237 BHP

    9^th
    

    (2004 - 2009)

    ...S2000 AP2
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    2.2 L Inline 4

    

    160 mph

    

    6.2 seconds

    

    237 BHP

    

    28.5 mpg

    

    2 Doors

    

    2 Seats

    

    143 L

    

    1,299 kg

    Front Mid - RWD

    All Specs

    With an engine power output of 237 BHP, the Honda S2000 AP2 takes joint sixth place.
    It's a 2 door RWD Roadster with 2 seats and was sold from 2004 to 2009.
    It is also joint 14th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

19. 1999 Honda S2000 (AP1)

    Engine Power: 237 BHP

    10^th
    

    (1999 - 2003)

    ...S2000
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    2 L Inline 4

    

    160 mph

    

    6.2 seconds

    

    237 BHP

    

    28.5 mpg

    

    2 Doors

    

    2 Seats

    

    143 L

    

    1,260 kg

    Front Mid - RWD

    All Specs

    With an engine power output of 237 BHP, the Honda S2000 takes joint sixth place.
    It's a 2 door RWD Roadster with 2 seats and was sold from 1999 to 2003.
    It is also joint 8th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

21. 1993 Porsche 968 CS

    Engine Power: 237 BHP

    11^th
    

    (1993 - 1995)

    ...968 CS
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    3 L Inline 4

    

    160 mph

    

    6.3 seconds

    

    237 BHP

    

    27.4 mpg

    

    2 Doors

    

    2+2 Seats

    

    225-510 L

    

    1,320 kg

    Front - RWD

    All Specs

    With an engine power output of 237 BHP, the Porsche 968 CS takes joint sixth place.
    It's a 2 door RWD Coupé with 2+2 seats and was sold from 1993 to 1995.
    It is also joint 211th in The Fastest Cars From The 1990s.

23. 1993 Porsche 968 CS Cabrio

    Engine Power: 237 BHP

    12^th
    

    (1993 - 1995)

    ...CS Cabrio
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    3 L Inline 4

    

    160 mph

    

    6.3 seconds

    

    237 BHP

    

    27.4 mpg

    

    2 Doors

    

    2+2 Seats

    

    250 L

    

    1,390 kg

    Front - RWD

    All Specs

    With an engine power output of 237 BHP, the Porsche 968 CS Cabrio takes joint sixth place.
    It's a 2 door RWD Convertible with 2+2 seats and was sold from 1993 to 1995.
    It is also joint 211th in The Fastest Cars From The 1990s.

25. 1992 Porsche 968 Coupé

    Engine Power: 237 BHP

    13^th
    

    (1992 - 1995)

    ...68 Coupé
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    3 L Inline 4

    

    156 mph

    

    6.5 seconds

    

    237 BHP

    

    27.4 mpg

    

    2 Doors

    

    2+2 Seats

    

    225-510 L

    

    1,370 kg

    Front - RWD

    All Specs

    With an engine power output of 237 BHP, the Porsche 968 Coupé takes joint sixth place.
    It's a 2 door RWD Coupé with 2+2 seats and was sold from 1992 to 1995.
    It is also joint 239th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

27. 1992 Porsche 968 Cabrio

    Engine Power: 237 BHP

    14^th
    

    (1992 - 1995)

    ...68 Cabrio
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    3 L Inline 4

    

    156 mph

    

    6.5 seconds

    

    237 BHP

    

    27.4 mpg

    

    2 Doors

    

    2+2 Seats

    

    250 L

    

    1,440 kg

    Front - RWD

    All Specs

    With an engine power output of 237 BHP, the Porsche 968 Cabrio takes joint sixth place.
    It's a 2 door RWD Convertible with 2+2 seats and was sold from 1992 to 1995.
    It is also joint 239th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

29. 2015 Ariel Nomad

    Engine Power: 235 BHP

    15^th
    

    (2015 - 2025)

    ...Nomad
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    2.4 L Inline 4

    

    125 mph

    

    3.4 seconds

    

    235 BHP

    

    unavailable

    

    0 Doors

    

    2 Seats

    

    unavailable

    

    670 kg

    Rear Mid - RWD

    All Specs

    With an engine power output of 235 BHP, the Ariel Nomad takes fifteenth place.
    It's a 0 door RWD Coupé with 2 seats and was sold from 2015 to 2025.
    It is also joint 2nd in The Quickest Accelerating Cars Under 300 BHP.

31. 2014 Caterham Seven 485

    Engine Power: 234 BHP

    16^th
    

    (2014 - present)

    ...Seven 485
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    2 L Inline 4

    

    140 mph

    

    3.4 seconds

    

    234 BHP

    

    37.2 mpg

    

    2 Doors

    

    2 Seats

    

    120 L

    

    560 kg

    Front Mid - RWD

    All Specs

    With an engine power output of 234 BHP, the Caterham Seven 485 takes sixteenth place.
    It's a 2 door RWD Roadster with 2 seats, with deliveries starting in 2014.
    It is also 2nd in The Best MPG Caterham Cars Ever.

33. 1990 Mercedes 190 E 2.5-16 Evolution II (W201)

    Engine Power: 232 BHP

    17^th
    

    (1990)

    ...lution II
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    2.5 L Inline 4

    

    155 mph

    

    7.1 seconds

    

    232 BHP

    

    31.4 mpg

    

    4 Doors

    

    5 Seats

    

    410 L

    

    1,340 kg

    Front - RWD

    All Specs

    With an engine power output of 232 BHP, the Mercedes 190 E 2.5-16 Evolution II takes seventeenth place.
    It's a 4 door RWD Saloon with 5 seats and was sold during 1990.
    It is also 47th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

35. 2006 Honda Civic Type R (JDM) (FD2)

    Engine Power: 221 BHP

    18^th
    

    (2006 - 2010)

    ...e R (JDM)
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    2 L Inline 4

    

    149 mph

    

    6.3 seconds

    

    221 BHP

    

    32 mpg

    

    4 Doors

    

    4 Seats

    

    350 L

    

    1,260 kg

    Front - FWD

    All Specs

    With an engine power output of 221 BHP, the Honda Civic Type R (JDM) takes eighteenth place.
    It's a 4 door FWD Saloon with 4 seats and was sold from 2006 to 2010.
    It is also 13th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

37. 2003 Honda Accord Euro R (CL7)

    Engine Power: 217 BHP

    19^th
    

    (2003 - 2008)

    ...rd Euro R
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    2 L Inline 4

    

    145 mph

    

    7.3 seconds

    

    217 BHP

    

    33.2 mpg

    

    4 Doors

    

    5 Seats

    

    459 L

    

    1,390 kg

    Front - FWD

    All Specs

    With an engine power output of 217 BHP, the Honda Accord Euro R takes joint nineteenth place.
    It's a 4 door FWD Saloon with 5 seats and was sold from 2003 to 2008.
    It is also 16th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever.

39. 2000 Honda Accord Euro R (CL1)

    Engine Power: 217 BHP

    20^th
    

    (2000 - 2002)

    ...rd Euro R
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    2.2 L Inline 4

    

    151 mph

    

    6.7 seconds

    

    217 BHP

    

    24.4 mpg

    

    4 Doors

    

    5 Seats

    

    427 L

    

    1,330 kg

    Front - FWD

    All Specs

    With an engine power output of 217 BHP, the Honda Accord Euro R takes joint nineteenth place.
    It's a 4 door FWD Saloon with 5 seats and was sold from 2000 to 2002.
    It is also 25th in The Highest Power / Litre Honda Cars Ever.

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