Independent · Source-led · American performance history Issue 01 · 1951–2023
American Muscle Car Facts

Showroom arguments.
Race-bred answers.

Comparison desk · United States

2004 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

Black-and-white studio photo of a white 1965 Ford Mustang GT fastback, front three-quarter view, with grille-mounted fog lamps, GT rocker stripe and styled wheels
Shown: 1965 Ford Mustang GT 2+2 fastback in white. No photograph of this model year is on file yet. Ford Motor Company Archives
Specification Mustang GT GTO
Body style coupe coupe
Trim / package GT GTO
Engine 4.6-liter SOHC 16-valve V-8 LS1 5.7-liter V-8
Published power 260 hp · factory advertised output; SAE basis not stated unless source says otherwise 350 hp · factory advertised output; SAE basis not stated unless source says otherwise
Published torque 302 lb-ft · factory advertised output; SAE basis not stated unless source says otherwise 365 lb-ft · factory advertised output; SAE basis not stated unless source says otherwise
Transmission five-speed manual M12 close-ratio six-speed manual
Forward gears 5 6
Matched period road testUnknownUnknown