Buick Riviera specs: 1974-1976
GM Platform: E-body
Trim Levels:
base (1974-1976)
base w/ Stage-1 (1974 only)- Added here were limited slip differential, 3.23 axle ratio, recalibrated transmission, chrome air cleaner lid, standard H.E.I. ignition, and a few teaks for 15 more horsepower over the ‘lesser’ 455 V8.
GS (1974-1976)- Added here were heavy duty front & rear rear sway bars, JR78-15 radial tires, tuned suspension, “Gran Sport” badging, and increased level of sound deadening material. In 1971-1972, it also added the higher output version of the 455 V8. In 1973, it was just the handling package.
GS Stage-1 (1974 only)- See GS and Stage-1 above
S/R (1976 only)
Body Styles: coupe
Wheelbase: 122.0″
F/R Track Width: 63.6″/64.0″
Overall Length:
226.4″ (1974)
223.0″ (1975-1976)
Overall Width: 80.0″
Overall Height: 53.7″
Turning Circle: not published
Drag Coefficient: not published
Curb Weight:
5035 lbs. (1974)
5002 lbs. (1975-1976)
Available Engines:
455 CID 4bbl V8 (non-Stage-1 cars)
455 CID 4bbl Stage-1 V8 (Stage-1 cars)- Had standard H.E.I. ignition and large port cylinder heads
Available Transmissions: 3-SPEED TH400 AUTOMATIC
Axle Ratio:
2.93
3.23
Fuel Capacity: 25.0 Gallons
Fuel Economy: 9-12 mpg
Head Room F/R: 38.1″/37.1″
Leg Room F/R: 42.2″/35.4″
Shoulder Room F/R: 63.6″/62.4″
Hip Room F/R: 57.6″/56.0″
Tires: J78-15
Wheels: 15.0″ x 6.0″
