Acura RSX Engines by Year

The RSX replaced the Integra in the US for 2002 and was sold through 2006. Every one used a 2.0 K-series four; the Type-S got the higher-output version.

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

Jump to a year

DC5 (2002–2006): 2002 · 2003 · 2004 · 2005 · 2006

DC5 (2002–2006)

The K20A3, and the K20A2 then K20Z1 in the Type-S.

2002 RSX engines

Engine	Rated	Offered in
2.0L / 122 inline-four K20A3	160 hp net	RSX (base), RSX Premium/Leather
2.0L / 122 inline-four K20A2	200 hp net	Type-S

2003 RSX engines

Engine	Rated	Offered in
2.0L / 122 inline-four K20A3	160 hp net	RSX (base), RSX Premium/Leather
2.0L / 122 inline-four K20A2	200 hp net	Type-S

2004 RSX engines

Engine	Rated	Offered in
2.0L / 122 inline-four K20A3	160 hp net	RSX (base), RSX Premium/Leather
2.0L / 122 inline-four K20A2	200 hp net	Type-S

2005 RSX engines

Engine	Rated	Offered in
2.0L / 122 inline-four K20A3	160 hp net	RSX (base), RSX Premium/Leather
2.0L / 122 inline-four K20Z1	210 hp net	Type-S

2006 RSX engines

Engine	Rated	Offered in
2.0L / 122 inline-four K20A3	155 hp net	RSX (base), RSX Premium/Leather
2.0L / 122 inline-four K20Z1	201 hp net	Type-S

Working on one of these engines?

• Engine displacement from bore and stroke
• Static and dynamic compression ratio
• Which camshaft for your build
• What size carburetor
• Horsepower to torque at any RPM
• Torque converter stall speed

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