Comparison desk · United States
1987 American performance landscape
Choose the exact factory configurations. Period published ratings remain separate from road-test measurements—and a result we cannot support stays unknown.
United States · researched through July 26, 2026
Specification
Mustang GT
Camaro IROC-Z
Body style
hatchback
Sport Coupe
Trim / package
GT
IROC-Z
Engine
5.0-liter EFI High Output V-8
LB9 305 Tuned Port Injection V-8
Published power
225 hp · factory advertised SAE J1349 net output
215 hp · factory advertised SAE J1349 net output
Published torque
300 lb-ft · factory advertised SAE J1349 net output
295 lb-ft · factory advertised SAE J1349 net output
Transmission
five-speed manual
five-speed manual
Forward gears
5
5
Matched period road testUnknownUnknown