Honda 91ci Engine Specs

Bore, stroke, displacement and compression for all 14 Honda 91ci engines, compared side by side. Plus rod ratio and head specs where published.

At a glance

Displacement	91 ci
Cylinders	4
Advertised power	58–205 hp
Years	1975–2026

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
ED	91 ci	—	—	—
EM	91 ci	—	—	67
EW1	91 ci	—	—	76
EW	91 ci	—	—	58
EW3/EW4	91 ci	—	—	91
D15B1	91 ci	—	—	—
D15B6	91 ci	—	—	62
D15B2	91 ci	—	—	92
D15B8	91 ci	—	—	70
D15Z1	91 ci	—	—	92
D15B7	91 ci	—	—	102
LEA	91 ci	—	—	110
L15B7	91 ci	—	—	174–205
L15CA	91 ci	—	—	180–200

Factory cars with a Honda 91ci

• Honda Civic: 1975, ED; 1976, ED; 1977, ED; 1978, ED; 1979, ED; 1980, EM, 67 hp; 1981, EM; 1982, EM; 1983, EM; 1984, EW1, 76 hp; 1985, EW1; 1985, EW; 1985, EW3/EW4, 91 hp; 1986, EW, 58 hp; 1986, EW1, 76 hp; 1986, EW3/EW4, 91 hp; 1987, EW1; 1987, EW; 1987, EW3/EW4, 91 hp; 1988; 1988, 62 hp; 1988, 92 hp; 1989; 1989, 62 hp; 1989, 92 hp; 1990; 1990, 92 hp; 1991; 1992, 70 hp; 1992, 92 hp; 1992, 102 hp; 1993, 70 hp; 1993, 92 hp; 1993, 102 hp; 1994, 70 hp; 1994, 92 hp; 1994, 102 hp; 1995, 70 hp; 1995, 92 hp; 1995, 102 hp; 2012, LEA, 110 hp; 2013, LEA, 110 hp; 2014, LEA, 110 hp; 2015, LEA, 110 hp; 2016, 174 hp; 2017, 174 hp; 2017, 180 hp; 2017, 205 hp; 2018, 174 hp; 2018, 180 hp; 2018, 205 hp; 2019, 174 hp; 2019, 180 hp; 2019, 205 hp; 2020, 174 hp; 2020, 180 hp; 2020, 205 hp; 2021, 174 hp; 2021, 180 hp; 2022, 180 hp; 2022, 200 hp; 2023, 180 hp; 2023, 200 hp; 2024, 180 hp; 2024, 200 hp; 2025, 200 hp; 2026, 200 hp

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

← All Honda engines