Top N/A BHP/L

Highest Naturally Aspirated BHP / Litre Cars

Top 20

The Highest Power / Litre Naturally Aspirated Cars Ever

The Highest Power / Litre Naturally Aspirated Cars Ever

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These cars have the highest specific output (BHP per Litre) of any naturally aspirated production car ever.

  1. 2003 Mazda RX-8 (231)

    Specific Output: 2.85 hp/in3

    1st
    (2003 - 2010)
    ...X-8 (231)
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    1.3 L Rotary 2
    
    146 mph
    
    6.4 seconds
    
    228 hp
    
    21 mpg
    
    4 Doors
    
    2+2 Seats
    
    10.2 ft3
    lb
    3,040 lbs
    Front - RWD
    All Specs

    With a specific output of 2.85 hp/in3, the Mazda RX-8 (231) takes first place.
    It's a 4 door RWD Coupé with 2+2 seats and was sold from 2003 to 2010.
    It is also joint 5th in The Highest Power / Cubic Capacity Mazda Cars Ever.

  2. 2026 GMSV S1 LM (T.55)

    Specific Output: 2.79 hp/in3

    2nd
    (2026)
    ...S1 LM
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    4.2 L V12
    
    unavailable
    
    unavailable
    
    720 hp
    
    unavailable
    
    2 Doors
    
    3 Seats
    
    unavailable
    lb
    2,174 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.79 hp/in3, the GMSV S1 LM takes second place.
    It's a 2 door RWD Coupé with 3 seats and was sold during 2026.
    It is also 4th in The Highest Power / Litre V12 Engined Cars Ever.

  3. 2023 GMA T.50

    Specific Output: 2.7 hp/in3

    3rd
    (2023 - present)
    ...T.50
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    4 L V12
    
    226 mph
    
    2.8 seconds
    
    661 hp
    
    19.2 mpg
    
    2 Doors
    
    3 Seats
    
    8-10.2 ft3
    lb
    2,198 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.7 hp/in3, the GMA T.50 takes third place.
    It's a 2 door RWD Coupé with 3 seats, with deliveries starting in 2023.
    It is also 6th in The Highest Power / Litre V12 Engined Cars Ever.

  4. 2013 Radical RXC 3.0 V8

    Specific Output: 2.67 hp/in3

    4th
    (2013 - 2017)
    ...XC 3.0 V8
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    2.9 L V8
    
    186 mph
    
    2.7 seconds
    
    480 hp
    
    unavailable
    
    2 Doors
    
    2 Seats
    
    unavailable
    lb
    2,046 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.67 hp/in3, the Radical RXC 3.0 V8 takes fourth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2013 to 2017.
    It is also 1st in The Highest BHP / Litre Naturally Aspirated V8 Cars Ever.

  5. 2026 GMSV Le Mans GTR (T.56)

    Specific Output: 2.62 hp/in3

    5th
    (2026)
    ...Mans GTR
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    4 L V12
    
    unavailable
    
    unavailable
    
    641 hp
    
    unavailable
    
    2 Doors
    
    3 Seats
    
    unavailable
    lb
    2,108 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.62 hp/in3, the GMSV Le Mans GTR takes fifth place.
    It's a 2 door RWD Coupé with 3 seats and was sold during 2026.
    It is also 7th in The Highest Power / Litre V12 Engined Cars Ever.

  6. 2023 Aston Martin Valkyrie Spider

    Specific Output: 2.52 hp/in3

    6th
    (2023 - 2024)
    ...ie Spider
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    6.5 L V12 MHEV
    
    220 mph
    
    2.6 seconds
    
    1,139 hp
    
    11 mpg
    
    2 Doors
    
    2 Seats
    
    unavailable
    lb
    2,976 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.52 hp/in3, the Aston Martin Valkyrie Spider takes joint sixth place.
    It's a 2 door RWD Roadster with 2 seats and was sold from 2023 to 2024.
    It is also 1st in The Highest Power / Weight Aston Martin Cars Ever.

  7. 2021 Aston Martin Valkyrie

    Specific Output: 2.52 hp/in3

    7th
    (2021 - 2024)
    ...Valkyrie
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    6.5 L V12 MHEV
    
    220 mph
    
    2.6 seconds
    
    1,139 hp
    
    11 mpg
    
    2 Doors
    
    2 Seats
    
    unavailable
    lb
    2,987 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.52 hp/in3, the Aston Martin Valkyrie takes joint sixth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2021 to 2024.
    It is also 2nd in The Highest Power / Weight Aston Martin Cars Ever.

  8. 2024 GMA T.33

    Specific Output: 2.49 hp/in3

    8th
    (2024 - present)
    ...T.33
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    4 L V12
    
    208 mph
    
    unavailable
    
    609 hp
    
    20.2 mpg
    
    2 Doors
    
    2 Seats
    
    10.4 ft3
    lb
    2,403 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.49 hp/in3, the GMA T.33 takes joint eighth place.
    It's a 2 door RWD Coupé with 2 seats, with deliveries starting in 2024.
    It is also joint 14th in The Highest Power / Litre V12 Engined Cars Ever.

  9. 2025 GMA T.33 Spider

    Specific Output: 2.49 hp/in3

    9th
    (2025 - present)
    ...33 Spider
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    4 L V12
    
    208 mph
    
    unavailable
    
    609 hp
    
    20.2 mpg
    
    2 Doors
    
    2 Seats
    
    10.4 ft3
    lb
    2,443 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.49 hp/in3, the GMA T.33 Spider takes joint eighth place.
    It's a 2 door RWD Roadster with 2 seats, with deliveries starting in 2025.
    It is also joint 14th in The Highest Power / Litre V12 Engined Cars Ever.

  10. 2003 Mazda RX-8 (192)

    Specific Output: 2.36 hp/in3

    10th
    (2003 - 2009)
    ...X-8 (192)
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    1.3 L Rotary 2
    
    139 mph
    
    7.2 seconds
    
    189 hp
    
    22.2 mpg
    
    4 Doors
    
    2+2 Seats
    
    10.2 ft3
    lb
    3,027 lbs
    Front - RWD
    All Specs

    With a specific output of 2.36 hp/in3, the Mazda RX-8 (192) takes tenth place.
    It's a 4 door RWD Coupé with 2+2 seats and was sold from 2003 to 2009.
    It is also 10th in The Highest Power / Cubic Capacity Mazda Cars Ever.

  11. 2020 BAC Mono R

    Specific Output: 2.28 hp/in3

    11th
    (2020 - present)
    ...Mono R
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    2.4 L Inline 4
    
    170 mph
    
    2.5 seconds
    
    340 hp
    
    unavailable
    
    0 Doors
    
    1 Seat
    
    2.8 ft3
    lb
    1,334 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.28 hp/in3, the BAC Mono R takes eleventh 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.

  12. 2013 Ferrari 458 Speciale

    Specific Output: 2.18 hp/in3

    12th
    (2013 - 2015)
    ...Speciale
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    4.5 L V8
    
    202 mph
    
    3.0 seconds
    
    597 hp
    
    19.9 mpg
    
    2 Doors
    
    2 Seats
    
    8.1 ft3
    lb
    3,075 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.18 hp/in3, the Ferrari 458 Speciale takes joint twelfth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2013 to 2015.
    It is also joint 2nd in The Highest BHP / Litre Naturally Aspirated V8 Cars Ever.

  13. 2015 Ferrari 458 Speciale A

    Specific Output: 2.18 hp/in3

    13th
    (2015)
    ...peciale A
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    4.5 L V8
    
    199 mph
    
    3.0 seconds
    
    597 hp
    
    19.9 mpg
    
    2 Doors
    
    2 Seats
    
    8.1 ft3
    lb
    3,186 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.18 hp/in3, the Ferrari 458 Speciale A takes joint twelfth place.
    It's a 2 door RWD Convertible with 2 seats and was sold during 2015.
    It is also joint 2nd in The Highest BHP / Litre Naturally Aspirated V8 Cars Ever.

  14. 2013 Porsche 918 Spyder

    Specific Output: 2.15 hp/in3

    14th
    (2013 - 2015)
    ...18 Spyder
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    4.6 L V8 PHEV
    
    214 mph
    
    2.6 seconds
    
    875 hp
    
    21.6 mpg
    
    2 Doors
    
    2 Seats
    
    3.9 ft3
    lb
    3,691 lbs
    Rear Mid - 4WD
    All Specs

    With a specific output of 2.15 hp/in3, the Porsche 918 Spyder takes fourteenth place.
    It's a 2 door 4WD Roadster with 2 seats and was sold from 2013 to 2015.
    It is also 1st in The Highest Power / Weight Porsche Cars Ever.

  15. 2023 Porsche 911 S/T (992)

    Specific Output: 2.13 hp/in3

    15th
    (2023 - 2024)
    ...911 S/T
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    4 L Flat 6
    
    186 mph
    
    3.7 seconds
    
    518 hp
    
    17.1 mpg
    
    2 Doors
    
    2 Seats
    
    4.7 ft3
    lb
    3,042 lbs
    Rear - RWD
    All Specs

    With a specific output of 2.13 hp/in3, the Porsche 911 S/T takes joint fifteenth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2023 to 2024.
    It is also joint 20th in The Highest Power / Weight Porsche Cars Ever.

  16. 2022 Porsche 911 GT3 RS (992)

    Specific Output: 2.13 hp/in3

    16th
    (2022 - 2024)
    ...11 GT3 RS
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    4 L Flat 6
    
    184 mph
    
    3.2 seconds
    
    518 hp
    
    17.6 mpg
    
    2 Doors
    
    2 Seats
    
    unavailable
    lb
    3,197 lbs
    Rear - RWD
    All Specs

    With a specific output of 2.13 hp/in3, the Porsche 911 GT3 RS takes joint fifteenth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2022 to 2024.
    It is also 23rd in The Highest Power / Weight Porsche Cars Ever.

  17. 2018 Porsche 911 GT3 RS (991)

    Specific Output: 2.11 hp/in3

    17th
    (2018 - 2020)
    ...11 GT3 RS
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    4 L Flat 6
    
    194 mph
    
    3.2 seconds
    
    514 hp
    
    17.8 mpg
    
    2 Doors
    
    2 Seats
    
    4.4 ft3
    lb
    3,142 lbs
    Rear - RWD
    All Specs

    With a specific output of 2.11 hp/in3, the Porsche 911 GT3 RS takes seventeenth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 2018 to 2020.
    It is also 22nd in The Highest Power / Weight Porsche Cars Ever.

  18. 2022 Ferrari Daytona SP3

    Specific Output: 2.1 hp/in3

    18th
    (2022 - present)
    ...ytona SP3
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    6.5 L V12
    
    211 mph
    
    2.9 seconds
    
    829 hp
    
    14.5 mpg
    
    2 Doors
    
    2 Seats
    
    unavailable
    lb
    3,450 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.1 hp/in3, the Ferrari Daytona SP3 takes joint eighteenth place.
    It's a 2 door RWD Targa Top with 2 seats, with deliveries starting in 2022.
    It is also 5th in Cars With The Most Powerful Naturally Aspirated V12 Engines.

  19. 1967 Alfa Romeo 33 Stradale

    Specific Output: 2.1 hp/in3

    19th
    (1967 - 1969)
    ...Stradale
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    2 L V8
    
    180 mph
    
    5.2 seconds
    
    256 hp
    
    unavailable
    
    2 Doors
    
    2 Seats
    
    unavailable
    lb
    1,367 lbs
    Rear Mid - RWD
    All Specs

    With a specific output of 2.1 hp/in3, the Alfa Romeo 33 Stradale takes joint eighteenth place.
    It's a 2 door RWD Coupé with 2 seats and was sold from 1967 to 1969.
    It is also 1st in The Highest Power / Weight Alfa Romeo Cars Ever.

  20. 2025 Lamborghini Fenomeno

    Specific Output: 2.08 hp/in3

    20th
    (2025 - 2026)
    ...Fenomeno
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    6.5 L V12 PHEV
    
    217 mph
    
    2.4 seconds
    
    1,065 hp
    
    unavailable
    
    2 Doors
    
    2 Seats
    
    unavailable
    lb
    3,907 lbs
    Rear Mid - 4WD
    All Specs

    With a specific output of 2.08 hp/in3, the Lamborghini Fenomeno takes twentieth place.
    It's a 2 door 4WD Coupé with 2 seats and was sold from 2025 to 2026.
    It is also 1st in The Highest Power / Weight Lamborghini Cars Ever.

Other Car Rankings

Top BHP/L 22.3K totalTop Inline 4 BHP/L 13.9K totalTop N/A Inline 4 BHP/L 6.2K totalTop Inline 5 BHP/L 550+ totalTop Straight 6 BHP/L 1.6K totalTop N/A Straight 6 BHP/L 750+ totalTop V6 BHP/L 2.1K totalTop N/A V6 BHP/L 1.2K totalTop V8 BHP/L 1.9K totalTop N/A V8 BHP/L 1.1K total
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