Buick Riviera GS, 1968 MY

This automobile has a 2 door coupé type body with a front located engine driving through the rear wheels. The power is produced by a naturally aspirated engine of 7 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It has an output of 360 bhp (365 PS/268 kW) of power at 5000 rpm, and maximum torque of 644 N·m (475 lb·ft/65.7 kgm) at 3200 rpm. The engine delivers its power through to the wheels via a 3 speed automatic gearbox. Quoted weight at the kerb is 1970 kg. It is claimed to attain a top speed of 193 km/h (120 mph).

Pictures

Key facts

Buick Riviera GS, 1968 MY brief technical data

What body style?2 door fixed-head coupé with 2+2 seats
How long?5467 mm
How heavy?1970 kg
What size engine?7 litre, 7047 cm3
How many cylinders?8, V
How much power? 365 PS / 360 bhp / 268 kW @ 5000 rpm
How much torque? 644 Nm / 475 ft.lb / 65.7 kgm @ 3200 rpm
How fast?193 km/h, 120 mph

Buick Riviera models

2 door convertible/​cabriolet FR 3A 7458 cm3 375 PS 370 bhp 276 kW 1970 kg
2 door fixed-head coupé FR 3A 6967 cm3 345 PS 340 bhp 254 kW 1955 kg

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1968 Buick Riviera GS data
bodywork
Body type2+2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3023 mm 119 inches
Track/tread (front) 1610 mm 63.4 inches
Track/tread (rear) 1600 mm 63 inches
Length 5467 mm 215.2 inches
Width 2003 mm 78.9 inches
Height 1356 mm 53.4 inches
Ground clearance 127 mm 5 inches
length:wheelbase ratio 1.81
Kerb weight 1970 kg 4343 lb
Weight distribution
fuel tank capacity 79.6 litres 17.5 UK Gal 21 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code
Cylinders V 8 in 90° vee
Capacity 7 litre
7047 cc
(430.034 cu in)
Bore × Stroke 106.2 × 99.44 mm
4.18 × 3.91 in
Bore/stroke ratio 1.07
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(gross)
365 PS (360 bhp) (268 kW)
at 5000 rpm
Specific output
(gross)
51.1 bhp/litre
0.84 bhp/cu in
maximum torque
(gross)
644 Nm (475 ft·lb) (65.7 kgm)
at 3200 rpm
Specific torque
(gross)
91.39 Nm/litre
1.1 ft·lb/cu3
Engine construction
sump
compression ratio 10.25:1
Fuel system 1 Rochester carburettor
bmep (brake mean effective pressure) 1148.4 kPa (166.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 880.88 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 193 km/h (120 mph)
Power-to-weight ratio 185.28 PS/tonne (1000 kg)
136.27 kW/tonne (1000 kg)
182.74 bhp/tonne (1000 kg)
0.08 bhp/lb
Weight-to-power ratio 7.34 kg/kW
12.26 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock
Turning circle 14.20 m
Front suspension I.CS.
Rear suspension LA.CS.
Wheel size front
Wheel size rear
Tyres front 8.45 x 15
Tyres rear 8.45 x 15
Brakes F/R Di/Dr
Front brake diameter
Rear brake diameter
Braked area 1247 cm2
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 3.42
general
Carfolio.com ID44825
Production total
Model code
Model family
RAC rating 55.9
Insurance classification No information available
Tax band No information available
1968 Buick Riviera GS added before December 1995.
Last modified 2015-09-06.