Chrysler Fifth Avenue Engines by Year

The Fifth Avenue was Chrysler's luxury M-body sedan, the Diplomat's twin, sold for 1982–1989. It used the 318 V8, with the Slant Six early on. The Diplomat and Gran Fury have their own pages.

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

1982–1989: 1983 · 1984 · 1985 · 1986 · 1987 · 1988 · 1989

1982–1989

The Slant Six and 318.

1983 Fifth Avenue engines

Engine	Rated	Offered in
3.7L / 225 slant six Slant Six 1-bbl	—	New Yorker Fifth Avenue (standard)
5.2L / 318 V8 LA 318 2-bbl	—	New Yorker Fifth Avenue (optional)

1984 Fifth Avenue engines

Engine	Rated	Offered in
5.2L / 318 V8 LA 318 2-bbl	130 hp net	All (standard)

1985 Fifth Avenue engines

Engine	Rated	Offered in
5.2L / 318 V8 LA 318 2-bbl	140 hp net	All (standard)

1986 Fifth Avenue engines

Engine	Rated	Offered in
5.2L / 318 V8 LA 318 2-bbl	140 hp net	All (standard)

1987 Fifth Avenue engines

Engine	Rated	Offered in
5.2L / 318 V8 LA 318 2-bbl	140 hp net	All (standard)

1988 Fifth Avenue engines

Engine	Rated	Offered in
5.2L / 318 V8 LA 318 2-bbl	140 hp net	All (standard)

1989 Fifth Avenue engines

Engine	Rated	Offered in
5.2L / 318 V8 LA 318 2-bbl	140 hp net	All (standard)

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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