Highest BHP / Litre N/A Inline 4 Engined Cars
Top 20

The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever
These cars have the highest specific output (BHP per Litre) of any Inline 4 engined naturally aspirated production cars ever.
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2020 BAC Mono R
Specific Output: 139 BHP/L
1st-
- 2.4 L Inline 4
-
- 170 mph
-
- 2.5 seconds
-
- 340 BHP
-
unavailable-
- 0 Doors
-
- 1 Seat
-
- 80 L
-
- 605 kg
- Rear Mid - RWD
With a specific output of 139 BHP/L, 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 Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
2011 BAC Mono 2.3
Specific Output: 124 BHP/L
2nd-
- 2.3 L Inline 4
-
- 170 mph
-
- 2.8 seconds
-
- 280 BHP
-
unavailable-
- 0 Doors
-
- 1 Seat
-
- 80 L
-
- 600 kg
- Rear Mid - RWD
With a specific output of 124 BHP/L, the BAC Mono 2.3 takes joint second 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. -
1999 Honda S2000 JDM (AP1)
Specific Output: 124 BHP/L
3rd-
- 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
With a specific output of 124 BHP/L, the Honda S2000 JDM takes joint second place.
It's a 2 door RWD Roadster with 2 seats and was sold from 1999 to 2003.
It is also 4th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
2016 BAC Mono 2.5
Specific Output: 123 BHP/L
4th-
- 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
With a specific output of 123 BHP/L, the BAC Mono 2.5 takes joint fourth place.
It's a 0 door RWD Roadster with 1 seats and was sold from 2016 to 2020.
It is also 2nd in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
1998 Nissan Pulsar VZ-R N1 Version II (N15)
Specific Output: 123 BHP/L
5th-
- 1.6 L Inline 4
-
- 112 mph
-
- 6.8 seconds
-
- 197 BHP
-
- 25.2 mpg
-
- 3 Doors
-
- 5 Seats
-
- 340 L
-
- 1,100 kg
- Front - FWD
With a specific output of 123 BHP/L, the Nissan Pulsar VZ-R N1 Version II takes joint fourth place.
It's a 3 door FWD Hatchback with 5 seats and was sold during 1998.
It is also joint 20th in The Highest Power / Litre Nissan Cars Ever. -
1997 Nissan Pulsar VZ-R N1 (N15)
Specific Output: 123 BHP/L
6th-
- 1.6 L Inline 4
-
- 112 mph
-
- 6.8 seconds
-
- 197 BHP
-
- 25.2 mpg
-
- 3 Doors
-
- 5 Seats
-
- 340 L
-
- 1,110 kg
- Front - FWD
With a specific output of 123 BHP/L, the Nissan Pulsar VZ-R N1 takes joint fourth place.
It's a 3 door FWD Hatchback with 5 seats and was sold during 1997.
It is also joint 20th in The Highest Power / Litre Nissan Cars Ever. -
1970 Alfa Romeo 1750 GT Am (105.51)
Specific Output: 121 BHP/L
7th-
- 2 L Inline 4
-
- 143 mph
-
- 5.5 seconds
-
- 240 BHP
-
- 15 mpg
-
- 2 Doors
-
- 2 Seats
-
unavailable-
- 920 kg
- Front - RWD
With a specific output of 121 BHP/L, the Alfa Romeo 1750 GT Am takes seventh place.
It's a 2 door RWD Coupé with 2 seats and was sold from 1970 to 1971.
It is also 5th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
2007 Honda Civic Mugen RR (ABA-FD2)
Specific Output: 119 BHP/L
8th-
- 2 L Inline 4
-
- 150 mph
-
- 6.0 seconds
-
- 237 BHP
-
- 31 mpg
-
- 4 Doors
-
- 5 Seats
-
- 350 L
-
- 1,255 kg
- Front - FWD
With a specific output of 119 BHP/L, the Honda Civic Mugen RR takes joint eighth place.
It's a 4 door FWD Saloon with 5 seats and was sold during 2007.
It is also joint 6th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
1999 Honda S2000 (AP1)
Specific Output: 119 BHP/L
9th-
- 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
With a specific output of 119 BHP/L, the Honda S2000 takes joint eighth place.
It's a 2 door RWD Roadster with 2 seats and was sold from 1999 to 2003.
It is also joint 6th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
2004 Honda S2000 (AP1)
Specific Output: 119 BHP/L
10th-
- 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
With a specific output of 119 BHP/L, the Honda S2000 takes joint eighth place.
It's a 2 door RWD Roadster with 2 seats and was sold from 2004 to 2009.
It is also joint 6th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
2014 Caterham Seven 485
Specific Output: 117 BHP/L
11th-
- 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
With a specific output of 117 BHP/L, the Caterham Seven 485 takes eleventh 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. -
1997 Honda Civic Type R (EK9)
Specific Output: 114 BHP/L
12th-
- 1.6 L Inline 4
-
- 146 mph
-
- 6.7 seconds
-
- 182 BHP
-
- 29.7 mpg
-
- 3 Doors
-
- 5 Seats
-
- 225-600 L
-
- 1,090 kg
- Front - FWD
With a specific output of 114 BHP/L, the Honda Civic Type R takes twelfth place.
It's a 3 door FWD Hatchback with 5 seats and was sold from 1997 to 2000.
It is also 15th in The Highest Power / Litre Honda Cars Ever. -
2006 Honda Civic Type R (JDM) (FD2)
Specific Output: 111 BHP/L
13th-
- 2 L Inline 4
-
- 149 mph
-
- 6.3 seconds
-
- 221 BHP
-
- 32 mpg
-
- 4 Doors
-
- 4 Seats
-
- 350 L
-
- 1,260 kg
- Front - FWD
With a specific output of 111 BHP/L, the Honda Civic Type R (JDM) takes thirteenth place.
It's a 4 door FWD Saloon with 4 seats and was sold from 2006 to 2010.
It is also 18th in The Highest Power / Litre Honda Cars Ever. -
2008 Honda S2000 CR (AP2)
Specific Output: 110 BHP/L
14th-
- 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
With a specific output of 110 BHP/L, the Honda S2000 CR takes joint fourteenth place.
It's a 2 door RWD Roadster with 2 seats and was sold from 2008 to 2009.
It is also joint 6th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
2004 Honda S2000 AP2 (AP2)
Specific Output: 110 BHP/L
15th-
- 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
With a specific output of 110 BHP/L, the Honda S2000 AP2 takes joint fourteenth place.
It's a 2 door RWD Roadster with 2 seats and was sold from 2004 to 2009.
It is also joint 6th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
2003 Honda Accord Euro R (CL7)
Specific Output: 109 BHP/L
16th-
- 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
With a specific output of 109 BHP/L, the Honda Accord Euro R takes sixteenth place.
It's a 4 door FWD Saloon with 5 seats and was sold from 2003 to 2008.
It is also joint 19th in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
1995 Mitsubishi Mirage Cyborg ZR (CJ4A)
Specific Output: 108 BHP/L
17th-
- 1.6 L Inline 4
-
- 112 mph
-
- 7.2 seconds
-
- 173 BHP
-
- 39.8 mpg
-
- 3 Doors
-
- 5 Seats
-
- 240-830 L
-
- 1,050 kg
- Front - FWD
With a specific output of 108 BHP/L, the Mitsubishi Mirage Cyborg ZR takes seventeenth place.
It's a 3 door FWD Hatchback with 5 seats and was sold from 1995 to 1999.
It is also 31st in The Highest Power / Litre Mitsubishi Cars Ever. -
2001 Honda Integra Type-R (DC5)
Specific Output: 107 BHP/L
18th-
- 2 L Inline 4
-
- 150 mph
-
- 6.5 seconds
-
- 214 BHP
-
- 28.8 mpg
-
- 2 Doors
-
- 4 Seats
-
- 504-716 L
-
- 1,266 kg
- Front - FWD
With a specific output of 107 BHP/L, the Honda Integra Type-R takes eighteenth place.
It's a 2 door FWD Coupé with 4 seats and was sold from 2001 to 2006.
It is also 21st in Cars With Most Powerful Naturally Aspirated Inline 4 Engines. -
1994 Caterham 21 1.8 VHPD
Specific Output: 106 BHP/L
19th-
- 1.8 L Inline 4
-
- 135 mph
-
- 4.6 seconds
-
- 190 BHP
-
- 25.7 mpg
-
- 2 Doors
-
- 2 Seats
-
- 250 L
-
- 650 kg
- Front Mid - RWD
With a specific output of 106 BHP/L, the Caterham 21 1.8 VHPD takes joint nineteenth place.
It's a 2 door RWD Roadster with 2 seats and was sold from 1994 to 1999.
It is also 5th in The Highest Power / Litre Caterham Cars Ever. -
1998 Lotus Elise Sport 190 (S1)
Specific Output: 106 BHP/L
20th-
- 1.8 L Inline 4
-
- 141 mph
-
- 4.4 seconds
-
- 190 BHP
-
unavailable-
- 2 Doors
-
- 2 Seats
-
unavailable-
- 670 kg
- Rear Mid - RWD
With a specific output of 106 BHP/L, the Lotus Elise Sport 190 takes joint nineteenth place.
It's a 2 door RWD Roadster with 2 seats and was sold from 1998 to 2000.
It is also joint 4th in The Quickest Accelerating Cars Under 200 BHP.





















