Mazda RX-4 Engines by Year

The RX-4 introduced the larger 13B rotary.

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

RX-4 (Luce Rotary LA2/LA22, US 13B) (1974–1978): 1974 · 1975 · 1976 · 1977 · 1978

RX-4 (Luce Rotary LA2/LA22, US 13B) (1974–1978)

1974 RX-4 engines

Engine	Rated	Offered in
80 two-rotor rotary 13B	110 hp net	RX-4 coupe (hardtop), RX-4 sedan, RX-4 wagon

1975 RX-4 engines

Engine	Rated	Offered in
80 two-rotor rotary 13B	110 hp net	RX-4 coupe (hardtop), RX-4 sedan, RX-4 wagon

1976 RX-4 engines

Engine	Rated	Offered in
1.3L / 80 two-rotor rotary 13B	110 hp net	RX-4 coupe (hardtop), RX-4 sedan, RX-4 wagon

1977 RX-4 engines

Engine	Rated	Offered in
1.3L / 80 two-rotor rotary 13B	110 hp net	RX-4 coupe (hardtop), RX-4 sedan, RX-4 wagon

1978 RX-4 engines

Engine	Rated	Offered in
1.3L / 80 two-rotor rotary 13B	110 hp net	RX-4 coupe (hardtop), RX-4 sedan, RX-4 wagon

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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