Buick Reatta Engines by Year

The two-seat Reatta was hand-assembled at Buick's Reatta Craft Centre and always had the 3800 V6. Ratings are gross through 1971 and SAE net from 1972.

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

E-body (1988–1991): 1988 · 1989 · 1990 · 1991

E-body (1988–1991)

1988 Reatta engines

Engine	Rated	Offered in
3.8L / 231 V6 (LN3)	165 hp net	Reatta coupe

1989 Reatta engines

Engine	Rated	Offered in
3.8L / 231 V6 (LN3)	165 hp net	Reatta coupe

1990 Reatta engines

Engine	Rated	Offered in
3.8L / 231 V6 (LN3)	165 hp net	Reatta coupe, Reatta convertible

1991 Reatta engines

Engine	Rated	Offered in
3.8L / 231 V6 (L27)	170 hp net	Reatta coupe, Reatta convertible

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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