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Buick
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Model
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Riviera
1978 Buick Riviera
United States
Gasoline
2WD
Coupe
Updated Aug 24, 2026
Image coming soon
Specifications
Vehicle Details
Powertrain
Dimensions
Engine & Performance
Dimensions & Weight
Exterior
Interior
Other
Vehicle Details
Year
1978
Make
Buick
Model
Riviera
Body Style
Coupe
Generation
5th Generation
Seats
6
Doors
2
Fuel
Gasoline
Drivetrain
2WD
Transmission
Automatic, 3-speed
Powertrain
Engine Name
6.6 V8 Hydra-Matic
Engine Configuration
V
Power (hp)
188 hp
Power (kW)
138 kW
Displacement
6,598 cc
Dimensions
Length
5,542 mm
(218.2 in)
Width
1,961 mm
(77.2 in)
Height
1,387 mm
(54.6 in)
Wheelbase
2,944 mm
(115.9 in)
Engine & Performance
Engine
Engine Configuration
Engine Configuration
V-Engine
Transmission & Drivetrain
Transmission
Automatic, 3-speed
Dimensions & Weight
Exterior
Track, Front
1,570 mm
(61.8 in)
Track, Rear
1,542 mm
(60.7 in)
Turning Circle
13.1 m
Interior
Head Room, Front
968 mm
(38.1 in)
Head Room, Rear
965 mm
(38.0 in)
Leg Room, Front
1,072 mm
(42.2 in)
Leg Room, Rear
983 mm
(38.7 in)
Hip Room, Front
1,397 mm
(55.0 in)
Hip Room, Rear
1,463 mm
(57.6 in)
Shoulder Room, Front
1,544 mm
(60.8 in)
Shoulder Room, Rear
1,494 mm
(58.8 in)
Weight
Max Roof Load
75 kg
(165 lb)
Exterior
Chassis & Body
Chassis
Chassis
Coupé
Platform
General Motors Platforms
B Platform
Equipment
Other Equipment
Normal Roof
Yes
Antenna
Optional
Interior
Equipment
Instrument Cluster
Odometer Limit
100,000 km/miles
Trunk
Rear Trunk
Yes
Rear Trunk
Volume
561 litres
Other
Car Classification
American Classification
Full-Size Luxury Car
British Classification
Luxury Car
Australian Classification
Upper Large Car
European Segment
F-Segment
Car.info Classification
Luxury Car
Riviera
Model
5 variants
€67,000
MSRP · EUR
8.9
Body
Coupe
Variant
Riviera Standard
1963–1999
Riviera Coupe Generations
11 of 15
Image coming soon
5th Generation
1977–1978
Year
1978
Powertrain
6.6 V8 Hydra-Matic
Horsepower
188 hp
Drivetrain
2WD
Fuel
Transmission
Automatic, 3-speed
Gasoline
CoupeCoupe
2WD
Automatic, 3-speed
Gasoline