Buick Riviera, 1975 MY 4EZ Z87

Buick Riviera is a car that has a 2 door coupé body style with a front located engine supplying power to the rear wheels. It forms part of Buick's 4EZ model range. Its 8 cylinder, overhead valve naturally aspirated powerplant has 2 valves per cylinder and a capacity of 7.5 litres. For this model it develops power and torque figures of 205 bhp (208 PS/153 kW) at 3800 rpm and 468 Nm (345 lbft/47.7 kgm) at 2000 rpm respectively. The engine supplies its power through to the wheels via a 3 speed automatic transmission. The claimed kerb weight is 2130 kg.

Pictures

Buick Riviera -
Buick Riviera
Image courtesy of Buick

Key facts

Buick Riviera, 1975 MY 4EZ Z87 information summary

What body style?
2 door fixed-head coupé with 4/5 seats
How long?
5664 mm
How heavy?
2130 kg
What size engine?
7.5 litre, 7468 cm3
How many cylinders?
8, V
How much power?
208 PS / 205 bhp / 153 kW @ 3800 rpm
How much torque?
468 Nm / 345 ft.lb / 47.7 kgm @ 2000 rpm

Buick Riviera models

2 door fixed-head coupé FR 3A 7458 cm3 253 PS 250 bhp 186 kW 2040 kg

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2 door fixed-head coupé FR 3A 8194 cm3 218 PS 215 bhp 160 kW
2 door fixed-head coupé FR 3A 8194 cm3 193 PS 190 bhp 142 kW
Cadillac Calais Coupé -
2 door fixed-head coupé FR 3A 7725 cm3 208 PS 205 bhp 153 kW 2287 kg
2 door fixed-head coupé FR 3A 8189 cm3 193 PS 190 bhp 142 kW
2 door fixed-head coupé FR 3A 8189 cm3 193 PS 190 bhp 142 kW 2245 kg
2 door fixed-head coupé FR 3A 7725 cm3 208 PS 205 bhp 153 kW 2298 kg
2 door fixed-head coupé FF 3A 8194 cm3 193 PS 190 bhp 142 kW
2 door fixed-head coupé FF 3A 8194 cm3 218 PS 215 bhp 160 kW
2 door fixed-head coupé FF 3A 8189 cm3 213 PS 210 bhp 157 kW 2316 kg
2 door fixed-head coupé FF 3A 6964 cm3 198 PS 195 bhp 145 kW 2248 kg
2 door fixed-head coupé FF 3A 8189 cm3 193 PS 190 bhp 142 kW 2370 kg
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2 door fixed-head coupé FR 3A 6555 cm3 193 PS 190 bhp 142 kW 1834 kg
2 door fixed-head coupé FR 3A 7206 cm3 218 PS 215 bhp 160 kW 2313 kg
2 door fixed-head coupé FR 3A 7206 cm3 218 PS 215 bhp 160 kW 2384 kg
2 door fixed-head coupé FR 3A 7206 cm3 208 PS 205 bhp 153 kW
2 door fixed-head coupé FR 3A 7206 cm3 203 PS 200 bhp 149 kW
2 door fixed-head coupé FR 3A 7206 cm3 198 PS 195 bhp 145 kW 2015 kg
4 door fixed-head coupé FR 3A 6555 cm3 193 PS 190 bhp 142 kW 2033 kg
4 door fixed-head coupé FR 3A 7206 cm3 198 PS 195 bhp 145 kW 2053 kg
2 door fixed-head coupé FR 3A 6555 cm3 193 PS 190 bhp 142 kW 1995 kg
2 door fixed-head coupé FR 3A 7206 cm3 208 PS 205 bhp 153 kW
2 door fixed-head coupé FR 3A 7206 cm3 203 PS 200 bhp 149 kW
4 door fixed-head coupé FR 3A 7206 cm3 198 PS 195 bhp 145 kW 2163 kg
2 door fixed-head coupé FR 3A 7206 cm3 198 PS 195 bhp 145 kW 2124 kg
4 door fixed-head coupé FR 3A 6555 cm3 193 PS 190 bhp 142 kW 2163 kg
2 door fixed-head coupé FR 3A 6555 cm3 193 PS 190 bhp 142 kW 2124 kg
2 door fixed-head coupé FR 3A 7206 cm3 208 PS 205 bhp 153 kW
2 door fixed-head coupé FR 3A 7206 cm3 203 PS 200 bhp 149 kW
2 door fixed-head coupé FR 3A 7206 cm3 218 PS 215 bhp 160 kW
4 door fixed-head coupé FR 3A 7206 cm3 213 PS 210 bhp 157 kW
4 door fixed-head coupé FR 3A 7206 cm3 218 PS 215 bhp 160 kW
2 door fixed-head coupé FR 3A 7206 cm3 218 PS 215 bhp 160 kW
2 door fixed-head coupé FR 3A 7206 cm3 213 PS 210 bhp 157 kW
4 door fixed-head coupé FR 3A 7206 cm3 218 PS 215 bhp 160 kW
2 door fixed-head coupé FR 3A 7206 cm3 218 PS 215 bhp 160 kW
2 door fixed-head coupé FR 3A 7544 cm3 219 PS 216 bhp 161 kW 2039 kg
2 door fixed-head coupé FR 3A 7544 cm3 220 PS 217 bhp 162 kW 2039 kg
2 door fixed-head coupé FR 3A 7544 cm3 220 PS 217 bhp 162 kW
2 door fixed-head coupé FR 3A 7544 cm3 219 PS 216 bhp 161 kW
2 door fixed-head coupé FR 3A 7544 cm3 219 PS 216 bhp 161 kW
2 door fixed-head coupé FR 3A 7544 cm3 220 PS 217 bhp 162 kW
2 door fixed-head coupé FR 3A 7542 cm3 197 PS 194 bhp 145 kW 2314 kg
2 door fixed-head coupé FR 3A 7542 cm3 226 PS 223 bhp 166 kW 2314 kg
2 door fixed-head coupé FR 3A 7542 cm3 227 PS 224 bhp 167 kW 2314 kg
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2 door fixed-head coupé FR 3A 7544 cm3 219 PS 216 bhp 161 kW
2 door fixed-head coupé FR 3A 7536 cm3 218 PS 215 bhp 160 kW 2435 kg
2 door fixed-head coupé FR 3A 7536 cm3 218 PS 215 bhp 160 kW 2434 kg
2 door fixed-head coupé FR 3A 7536 cm3 211 PS 208 bhp 155 kW 2203 kg
2 door fixed-head coupé FR 3A 7536 cm3 203 PS 200 bhp 149 kW 2428 kg
2 door fixed-head coupé FR 3A 7536 cm3 228 PS 225 bhp 168 kW
2 door fixed-head coupé FR 3A 7536 cm3 223 PS 220 bhp 164 kW 2428 kg
2 door fixed-head coupé FR 3A 7536 cm3 214 PS 211 bhp 157 kW 2297 kg
2 door fixed-head coupé FR 3A 7536 cm3 223 PS 220 bhp 164 kW 2420 kg
2 door fixed-head coupé FR 3A 7539 cm3 209 PS 206 bhp 154 kW 2359 kg
2 door fixed-head coupé FR 3A 7536 cm3 218 PS 215 bhp 160 kW 2449 kg
2 door fixed-head coupé FR 3A 6554 cm3 208 PS 205 bhp 153 kW
2 door fixed-head coupé FR 3A 6554 cm3 208 PS 205 bhp 153 kW
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Pontiac Le Mans Can Am -
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1975 Buick Riviera data
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3099 mm 122 inches
Track/tread (front) 1615 mm 63.6 inches
Track/tread (rear) 1626 mm 64 inches
Length 5664 mm 223 inches
Width 2032 mm 80 inches
Height 1364 mm 53.7 inches
Ground clearance
length:wheelbase ratio 1.83
Kerb weight 2130 kg 4696 lb
Weight distribution
fuel tank capacity 98 litres 21.6 UK Gal 25.9 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 7.5 litre
7468 cc
(455.725 cu in)
Bore × Stroke 109.54 × 99.06 mm
4.31 × 3.9 in
Bore/stroke ratio 1.11
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(net)
208 PS (205 bhp) (153 kW)
at 3800 rpm
Specific output
(net)
27.5 bhp/litre
0.45 bhp/cu in
maximum torque
(net)
468 Nm (345 ft·lb) (47.7 kgm)
at 2000 rpm
Specific torque
(net)
62.67 Nm/litre
0.76 ft·lb/cu3
Engine construction
sump wet sumped
compression ratio 7.9:1
Fuel system 1 Rochester carburettor
bmep (brake mean effective pressure) 787.5 kPa (114.2 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 933.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
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
Power-to-weight ratio 97.58 PS/tonne (1000 kg)
71.77 kW/tonne (1000 kg)
96.24 bhp/tonne (1000 kg)
0.04 bhp/lb
Weight-to-power ratio 13.93 kg/kW
23.27 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
Front suspension
Rear suspension
Wheel size front 6.00 x 15
Wheel size rear 6.00 x 15
Tyres front JR78-15
Tyres rear JR78-15
Brakes F/R VeDi/Dr-S
Front brake diameter 301 mm
Rear brake diameter
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.93
general
Carfolio.com ID292886
Production total
Model code Z87
Model family 4EZ
RAC rating 59.5
Insurance classification No information available
Tax band No information available
1975 Buick Riviera added 2012-11-15.
Last modified 2013-06-22.