Comparison desk · United States
2015 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 SS LS3
Body style
coupe
coupe
Trim / package
GT
SS LS3
Engine
5.0-liter V-8
LS3 6.2-liter V-8
Published power
435 hp · factory advertised output
426 hp · factory advertised output
Published torque
400 lb-ft · factory advertised output
420 lb-ft · factory advertised output
Transmission
six-speed manual
six-speed manual
Forward gears
6
6
Matched period road testUnknownUnknown