Most Powerful Naturally Aspirated Inline 4 Engines
Top 20

Cars With Most Powerful Naturally Aspirated Inline 4 Engines
These are the cars with the most powerful naturally aspirated Inline 4 road-going production engines ever made.
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2020 BAC Mono R
Engine Power: 340 hp
1st-
- 2.4 L Inline 4
-
- 170 mph
-
- 2.5 seconds
-
- 340 hp
-
unavailable-
- 0 Doors
-
- 1 Seat
-
- 2.8 ft3
-
- 1,334 lbs
- Rear Mid - RWD
With an engine power output of 340 hp, 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. -
2016 BAC Mono 2.5
Engine Power: 305 hp
2nd-
- 2.5 L Inline 4
-
- 170 mph
-
- 2.8 seconds
-
- 305 hp
-
- 35.1 mpg
-
- 0 Doors
-
- 1 Seat
-
- 2.8 ft3
-
- 1,389 lbs
- Rear Mid - RWD
With an engine power output of 305 hp, 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. -
2011 BAC Mono 2.3
Engine Power: 280 hp
3rd-
- 2.3 L Inline 4
-
- 170 mph
-
- 2.8 seconds
-
- 280 hp
-
unavailable-
- 0 Doors
-
- 1 Seat
-
- 2.8 ft3
-
- 1,323 lbs
- Rear Mid - RWD
With an engine power output of 280 hp, 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. -
1999 Honda S2000 JDM (AP1)
Engine Power: 247 hp
4th-
- 2 L Inline 4
-
- 112 mph
-
- 6.1 seconds
-
- 247 hp
-
- 28.2 mpg
-
- 2 Doors
-
- 2 Seats
-
- 5.1 ft3
-
- 2,734 lbs
- Front Mid - RWD
With an engine power output of 247 hp, 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. -
1970 Alfa Romeo 1750 GT Am (105.51)
Engine Power: 240 hp
5th-
- 2 L Inline 4
-
- 143 mph
-
- 5.5 seconds
-
- 240 hp
-
- 12.5 mpg
-
- 2 Doors
-
- 2 Seats
-
unavailable-
- 2,028 lbs
- Front - RWD
With an engine power output of 240 hp, 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. -
2008 Honda S2000 CR (AP2)
Engine Power: 237 hp
6th-
- 2.2 L Inline 4
-
- 160 mph
-
- 6.2 seconds
-
- 237 hp
-
- 23.7 mpg
-
- 2 Doors
-
- 2 Seats
-
- 5.1 ft3
-
- 2,765 lbs
- Front Mid - RWD
With an engine power output of 237 hp, 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. -
2007 Honda Civic Mugen RR (ABA-FD2)
Engine Power: 237 hp
7th-
- 2 L Inline 4
-
- 150 mph
-
- 6.0 seconds
-
- 237 hp
-
- 25.8 mpg
-
- 4 Doors
-
- 5 Seats
-
- 12.4 ft3
-
- 2,767 lbs
- Front - FWD
With an engine power output of 237 hp, the Honda Civic Mugen RR takes joint sixth place.
It's a 4 door FWD Sedan with 5 seats and was sold during 2007.
It is also joint 8th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever. -
2004 Honda S2000 (AP1 Facelift) (AP1)
Engine Power: 237 hp
8th-
- 2 L Inline 4
-
- 160 mph
-
- 6.2 seconds
-
- 237 hp
-
- 23.7 mpg
-
- 2 Doors
-
- 2 Seats
-
- 5.1 ft3
-
- 2,802 lbs
- Front Mid - RWD
With an engine power output of 237 hp, the Honda S2000 (AP1 Facelift) 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. -
2004 Honda S2000 (AP2)
Engine Power: 237 hp
9th-
- 2.2 L Inline 4
-
- 160 mph
-
- 6.2 seconds
-
- 237 hp
-
- 23.7 mpg
-
- 2 Doors
-
- 2 Seats
-
- 5.1 ft3
-
- 2,864 lbs
- Front Mid - RWD
With an engine power output of 237 hp, 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 14th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever. -
1999 Honda S2000 (AP1)
Engine Power: 237 hp
10th-
- 2 L Inline 4
-
- 160 mph
-
- 6.2 seconds
-
- 237 hp
-
- 23.7 mpg
-
- 2 Doors
-
- 2 Seats
-
- 5.1 ft3
-
- 2,778 lbs
- Front Mid - RWD
With an engine power output of 237 hp, 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. -
1993 Porsche 968 CS
Engine Power: 237 hp
11th-
- 3 L Inline 4
-
- 160 mph
-
- 6.3 seconds
-
- 237 hp
-
- 22.8 mpg
-
- 2 Doors
-
- 2+2 Seats
-
- 7.9-18 ft3
-
- 2,910 lbs
- Front - RWD
With an engine power output of 237 hp, 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 210th in The Fastest Cars From The 1990s. -
1993 Porsche 968 CS Cabrio
Engine Power: 237 hp
12th-
- 3 L Inline 4
-
- 160 mph
-
- 6.3 seconds
-
- 237 hp
-
- 22.8 mpg
-
- 2 Doors
-
- 2+2 Seats
-
- 8.8 ft3
-
- 3,064 lbs
- Front - RWD
With an engine power output of 237 hp, 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 210th in The Fastest Cars From The 1990s. -
1992 Porsche 968 Coupé
Engine Power: 237 hp
13th-
- 3 L Inline 4
-
- 156 mph
-
- 6.5 seconds
-
- 237 hp
-
- 22.8 mpg
-
- 2 Doors
-
- 2+2 Seats
-
- 7.9-18 ft3
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- 3,020 lbs
- Front - RWD
With an engine power output of 237 hp, 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. -
1992 Porsche 968 Cabrio
Engine Power: 237 hp
14th-
- 3 L Inline 4
-
- 156 mph
-
- 6.5 seconds
-
- 237 hp
-
- 22.8 mpg
-
- 2 Doors
-
- 2+2 Seats
-
- 8.8 ft3
-
- 3,175 lbs
- Front - RWD
With an engine power output of 237 hp, 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. -
2015 Ariel Nomad
Engine Power: 235 hp
15th-
- 2.4 L Inline 4
-
- 125 mph
-
- 3.4 seconds
-
- 235 hp
-
unavailable-
- 0 Doors
-
- 2 Seats
-
unavailable-
- 1,477 lbs
- Rear Mid - RWD
With an engine power output of 235 hp, 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. -
2014 Caterham Seven 485
Engine Power: 234 hp
16th-
- 2 L Inline 4
-
- 140 mph
-
- 3.4 seconds
-
- 234 hp
-
- 31 mpg
-
- 2 Doors
-
- 2 Seats
-
- 4.2 ft3
-
- 1,235 lbs
- Front Mid - RWD
With an engine power output of 234 hp, 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. -
1990 Mercedes 190 E 2.5-16 Evolution II (W201)
Engine Power: 232 hp
17th-
- 2.5 L Inline 4
-
- 155 mph
-
- 7.1 seconds
-
- 232 hp
-
- 26.1 mpg
-
- 4 Doors
-
- 5 Seats
-
- 14.5 ft3
-
- 2,954 lbs
- Front - RWD
With an engine power output of 232 hp, the Mercedes 190 E 2.5-16 Evolution II takes seventeenth place.
It's a 4 door RWD Sedan with 5 seats and was sold during 1990.
It is also 47th in The Highest BHP/Litre Naturally Aspirated Inline 4 Cars Ever. -
2006 Honda Civic Type R (JDM) (FD2)
Engine Power: 221 hp
18th-
- 2 L Inline 4
-
- 149 mph
-
- 6.3 seconds
-
- 221 hp
-
- 26.6 mpg
-
- 4 Doors
-
- 4 Seats
-
- 12.4 ft3
-
- 2,778 lbs
- Front - FWD
With an engine power output of 221 hp, the Honda Civic Type R (JDM) takes eighteenth place.
It's a 4 door FWD Sedan 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. -
2003 Honda Accord Euro R (CL7)
Engine Power: 217 hp
19th-
- 2 L Inline 4
-
- 145 mph
-
- 7.3 seconds
-
- 217 hp
-
- 27.6 mpg
-
- 4 Doors
-
- 5 Seats
-
- 16.2 ft3
-
- 3,064 lbs
- Front - FWD
With an engine power output of 217 hp, the Honda Accord Euro R takes joint nineteenth place.
It's a 4 door FWD Sedan 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. -
2000 Honda Accord Euro R (CL1)
Engine Power: 217 hp
20th-
- 2.2 L Inline 4
-
- 151 mph
-
- 6.7 seconds
-
- 217 hp
-
- 20.3 mpg
-
- 4 Doors
-
- 5 Seats
-
- 15.1 ft3
-
- 2,932 lbs
- Front - FWD
With an engine power output of 217 hp, the Honda Accord Euro R takes joint nineteenth place.
It's a 4 door FWD Sedan with 5 seats and was sold from 2000 to 2002.
It is also 25th in The Highest Power / Cubic Capacity Honda Cars Ever.





















