Cadillac Coupé DeVille, 1970 MY 683 68347

The Cadillac Coupé DeVille is a coupé with 2 doors and a front mounted engine which delivers the power through the rear wheels. The Coupé DeVille forms part of Cadillac's 683 series. Its engine is a naturally aspirated petrol, 7.7 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. In this application it has an output of 375 bhp (380 PS/280 kW) of power at 4400 rpm, and maximum torque of 712 N·m (525 lb·ft/72.6 kgm) at 3000 rpm. A 3 speed automatic gearbox transmits the power to the wheels. The Cadillac Coupé DeVille weighs a stated 2170 kg at the kerb.

Pictures

Key facts

Cadillac Coupé DeVille, 1970 MY 683 68347 information summary

What body style?
2 door fixed-head coupé with 4/5 seats
How long?
5715 mm
How heavy?
2170 kg
What size engine?
7.7 litre, 7729 cm3
How many cylinders?
8, V
How much power?
380 PS / 375 bhp / 280 kW @ 4400 rpm
How much torque?
712 Nm / 525 ft.lb / 72.6 kgm @ 3000 rpm

Cadillac 683 models

Cadillac DeVille Convertible -
2 door convertible/​cabriolet FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2175 kg
Cadillac DeVille Hardtop Sedan -
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2203 kg
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2202 kg
2 door fixed-head coupé FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2176 kg
Cadillac DeVille Convertible -
2 door convertible/​cabriolet FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2166 kg
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW 2194 kg
4 door sedan/​saloon FR 3A 7729 cm3 380 PS 375 bhp 280 kW
2 door convertible/​cabriolet FR 3A 7725 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7025 cm3 345 PS 340 bhp 254 kW 2124 kg
2 door fixed-head coupé FR 3A 7025 cm3 345 PS 340 bhp 254 kW 2112 kg
2 door fixed-head coupé FR 3A 7025 cm3 345 PS 340 bhp 254 kW 2121 kg
2 door fixed-head coupé FR 4A 6384 cm3 330 PS 325 bhp 242 kW 2138 kg

Similar models

2 door fixed-head coupé FR 3A 7047 cm3 365 PS 360 bhp 268 kW 1970 kg
2 door fixed-head coupé FR 3M 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3M 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3M 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 6999 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
Chrysler 300 Hardtop Coupé -
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
Chrysler 300 Hardtop Coupé -
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
Chrysler New Yorker Hardtop Coupé -
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
Dodge Charger Daytona -
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW 1687 kg
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
McLaren 540C -
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW 1601 kg
2 door fixed-head coupé FR 4M 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 4M 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 7206 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 7022 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7026 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7022 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 4M 7022 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7022 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 4M 7022 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7022 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 4M 7026 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7026 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
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2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7536 cm3 370 PS 365 bhp 272 kW 2307 kg
2 door fixed-head coupé FR 3A 7544 cm3 370 PS 365 bhp 272 kW 2207 kg
Lincoln Continental Mark III -
2 door fixed-head coupé FR 3A 7536 cm3 370 PS 365 bhp 272 kW 2150 kg
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2 door fixed-head coupé FR 3A 7544 cm3 370 PS 365 bhp 272 kW 2150 kg
Mercury Marauder X-100 -
2 door fixed-head coupé FR 3A 7035 cm3 365 PS 360 bhp 268 kW 1991 kg
2 door fixed-head coupé FR 3A 7447 cm3 370 PS 365 bhp 272 kW
2 door fixed-head coupé FR 3A 7447 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7447 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7447 cm3 370 PS 365 bhp 272 kW
2 door fixed-head coupé FR 3A 7447 cm3 395 PS 390 bhp 291 kW 2057 kg
2 door fixed-head coupé FR 3A 7447 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7447 cm3 370 PS 365 bhp 272 kW
Oldsmobile Ninety-Eight Holiday Coupé -
2 door fixed-head coupé FR 3A 7447 cm3 370 PS 365 bhp 272 kW 1977 kg
2 door fixed-head coupé FF 3A 7447 cm3 380 PS 375 bhp 280 kW 2037 kg
Oldsmobile Toronado -
2 door fixed-head coupé FF 3A 7447 cm3 406 PS 400 bhp 298 kW
Oldsmobile Toronado -
2 door fixed-head coupé FF 3A 7447 cm3 406 PS 400 bhp 298 kW
2 door fixed-head coupé FF 3A 7447 cm3 380 PS 375 bhp 280 kW 2031 kg
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
Plymouth Sport Fury GT -
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW 1780 kg
Plymouth Sport Fury GT -
2 door fixed-head coupé FR 3A 7206 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7206 cm3 355 PS 350 bhp 261 kW
2 door fixed-head coupé FR 3A 7446 cm3 350 PS 345 bhp 257 kW
2 door fixed-head coupé FR 3A 7446 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3M 7455 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 4M 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3M 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3M 6991 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 4M 6991 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 6991 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7455 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7455 cm3 375 PS 370 bhp 276 kW
2 door fixed-head coupé FR 3A 7455 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 4M 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3M 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 6991 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3M 6991 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 6991 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3A 7455 cm3 365 PS 360 bhp 268 kW
2 door fixed-head coupé FR 3A 7455 cm3 375 PS 370 bhp 276 kW
2 door fixed-head coupé FR 3M 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 3A 6991 cm3 380 PS 375 bhp 280 kW
2 door fixed-head coupé FR 4M 6991 cm3 395 PS 390 bhp 291 kW
2 door fixed-head coupé FR 3M 6991 cm3 395 PS 390 bhp 291 kW
1970 Cadillac Coupé DeVille data
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3289 mm 129.5 inches
Track/tread (front) 1600 mm 63 inches
Track/tread (rear) 1600 mm 63 inches
Length 5715 mm 225 inches
Width 2027 mm 79.8 inches
Height 1382 mm 54.4 inches
Ground clearance
length:wheelbase ratio 1.74
Kerb weight 2170 kg 4784 lb
Weight distribution 52.8 % front
fuel tank capacity 98.5 litres 21.7 UK Gal 26 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Cadillac
Engine code
Cylinders V 8 in 90° vee
Capacity 7.7 litre
7729 cc
(471.653 cu in)
Bore × Stroke 109.22 × 103.12 mm
4.3 × 4.06 in
Bore/stroke ratio 1.06
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(gross)
380 PS (375 bhp) (280 kW)
at 4400 rpm
Specific output
(gross)
48.5 bhp/litre
0.8 bhp/cu in
maximum torque
(gross)
712 Nm (525 ft·lb) (72.6 kgm)
at 3000 rpm
Specific torque
(gross)
92.12 Nm/litre
1.11 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 10:1
Fuel system 1 Rochester carburettor
bmep (brake mean effective pressure) 1157.6 kPa (167.9 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 966.13 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 175.21 PS/tonne (1000 kg)
128.87 kW/tonne (1000 kg)
172.81 bhp/tonne (1000 kg)
0.08 bhp/lb
Weight-to-power ratio 7.76 kg/kW
12.96 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 2.800
Turning circle
Front suspension
Rear suspension
Wheel size front 6JK x 15
Wheel size rear 6JK x 15
Tyres front L78-15
Tyres rear L78-15
Brakes F/R VeDi/Dr-S
Front brake diameter 302 mm
Rear brake diameter 305 mm
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.93
general
Carfolio.com ID358578
Production total
Model code 68347
Model family 683
RAC rating 59.2
Insurance classification No information available
Tax band No information available
1970 Cadillac Coupé DeVille added 2013-10-28.
Last modified 2017-06-11.