Layout    
FR layout

Engine    
455 cu in (7.5 L) Buick V8

Transmission    
3-speed TH-400 automatic

Dimensions
Wheelbase    
122.0 in (3,099 mm)
Length    
226.4 in (5,751 mm) (1974)
223.0 in (5,664 mm) (1975)
Width    
80.0 in (2,032 mm)
Height    
54.0 in (1,372 mm)

Buick Riviera on Wikipedia

RWD (rear-wheel drive), automatic 3-speed gearbox
gasoline (petrol) engine with displacement: 7468 cm3 / 455.7 cui, advertised power: 153 kW / 205 hp / 208 PS ( SAE net ), torque: 468 Nm / 345 lb-ft, 
characteristic dimensions: outside length: 5552 mm / 218.6 in, width: 2029 mm / 79.9 in, wheelbase: 3099 mm / 122 in
reference weights: shipping weight 2055 kg / 4531 lbs base curb weight: 2120 kg / 4674 lbs
top speed: 192 km/h (119 mph) 
accelerations: 0- 60 mph 11.2© s; 0- 100 km/h 11.9© s ; 1/4 mile drag time (402 m) 18.2© s
fuel consumption and mileage: average estimated by a-c©: 21.9 l/100km / 12.9 mpg (imp.) / 10.7 mpg (U.S.) / 4.6 km/l

RWD (rear-wheel drive), automatic 3-speed gearbox
gasoline (petrol) engine with displacement: 7468 cm3 / 455.7 cui, advertised power: 153 kW / 205 hp / 208 PS ( SAE net ), torque: 468 Nm / 345 lb-ft, 
characteristic dimensions: outside length: 5552 mm / 218.6 in, width: 2029 mm / 79.9 in, wheelbase: 3099 mm / 122 in
reference weights: shipping weight 2055 kg / 4531 lbs base curb weight: 2120 kg / 4674 lbs
top speed: 192 km/h (119 mph) 
accelerations: 0- 60 mph 11.2© s; 0- 100 km/h 11.9© s ; 1/4 mile drag time (402 m) 18.2© s
fuel consumption and mileage: average estimated by a-c©: 21.9 l/100km / 12.9 mpg (imp.) / 10.7 mpg (U.S.) / 4.6 km/l

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