Buick Roadmaster Convertible, 1953 MY Series 70 76C 53-4767X

The Roadmaster Convertible is a rear wheel drive convertible/cabriolet road car with a front mounted engine, produced by Buick. The Buick Roadmaster Convertible is one of the Series 70 model family from Buick. Power is supplied by an overhead valve, 5.2 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that develops power and torque figures of 188 bhp (191 PS/140 kW) at 4000 rpm and 407 N·m (300 lb·ft/41.5 kgm) at 2400 rpm respectively. The engine delivers its power through to the wheels via a 2 speed automatic gearbox.

Pictures

Key facts

Buick Roadmaster Convertible, 1953 MY Series 70 76C 53-4767X information summary

What body style?
2 door convertible/cabriolet with 4/5 seats
How long?
5273 mm
What size engine?
5.2 litre, 5230 cm3
How many cylinders?
8, V
How much power?
191 PS / 188 bhp / 140 kW @ 4000 rpm
How much torque?
407 Nm / 300 ft.lb / 41.5 kgm @ 2400 rpm

Buick Series 70 models

5 door estate/​station wagon FR 2A 5230 cm3 191 PS 188 bhp 140 kW
2 door fixed-head coupé FR 2A 5230 cm3 191 PS 188 bhp 140 kW
Buick Roadmaster Skylark -
2 door convertible/​cabriolet FR 2A 5230 cm3 191 PS 188 bhp 140 kW

Similar models

2 door convertible/​cabriolet FR 3M 4344 cm3 183 PS 180 bhp 134 kW
2 door convertible/​cabriolet FR 3OD 4344 cm3 183 PS 180 bhp 134 kW
2 door convertible/​cabriolet FR 2A 4344 cm3 183 PS 180 bhp 134 kW
2 door convertible/​cabriolet FR 3M 5311 cm3 205 PS 202 bhp 151 kW
2 door convertible/​cabriolet FR 2A 5311 cm3 205 PS 202 bhp 151 kW
2 door convertible/​cabriolet FR 3M 5311 cm3 205 PS 202 bhp 151 kW
2 door convertible/​cabriolet FR 3M 5311 cm3 188 PS 185 bhp 138 kW
2 door convertible/​cabriolet FR 2A 5311 cm3 205 PS 202 bhp 151 kW
2 door convertible/​cabriolet FR 2A 5311 cm3 188 PS 185 bhp 138 kW
2 door convertible/​cabriolet FR 3M 5311 cm3 205 PS 202 bhp 151 kW
2 door convertible/​cabriolet FR 2A 5311 cm3 205 PS 202 bhp 151 kW
1953 Buick Roadmaster Convertible data
bodywork
Body type4/5 seater convertible/cabriolet
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3086 mm 121.5 inches
Track/tread (front) 1524 mm 60 inches
Track/tread (rear) 1575 mm 62 inches
Length 5273 mm 207.6 inches
Width 2032 mm 80 inches
Height
Ground clearance
length:wheelbase ratio 1.71
Kerb weight
Weight distribution
fuel tank capacity 75 litres 16.5 UK Gal 19.8 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Buick
Engine code
Cylinders V 8 in 90° vee
Capacity 5.2 litre
5230 cc
(319.154 cu in)
Bore × Stroke 101.6 × 81.3 mm
4 × 3.2 in
Bore/stroke ratio 1.25
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output 191 PS (188 bhp) (140 kW)
at 4000 rpm
Specific output 35.9 bhp/litre
0.59 bhp/cu in
maximum torque 407 Nm (300 ft·lb) (41.5 kgm)
at 2400 rpm
Specific torque 77.82 Nm/litre
0.94 ft·lb/cu3
Engine construction cast iron block
sump wet sumped
compression ratio 8.5:1
Fuel system 2 Carter carburettors
bmep (brake mean effective pressure) 977.9 kPa (141.8 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 653.75 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
Power-to-weight ratio
Weight-to-power ratio
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 I.CS.
Rear suspension LA.CS.
Wheel size front 6½ x 15
Wheel size rear 6½ x 15
Tyres front 8.00 x 15
Tyres rear 8.00 x 15
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox 2 speed automatic
Top gear ratio 1
Final drive ratio 3.60
general
Carfolio.com ID349635
Production total
Model code 76C 53-4767X
Model family Series 70
RAC rating 51.2
Insurance classification No information available
Tax band No information available
1953 Buick Roadmaster Convertible added 2013-07-28.
Last modified 2013-07-28.