The STS V8 is a rear wheel drive saloon car with a front mounted engine, produced by Cadillac.
The 8 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 4.6 litres. This unit produces power and torque figures of 320 bhp (324 PS/239 kW) at 6400 rpm and 427 Nm (315 lbft/43.5 kgm) at 4400 rpm respectively.
This power is transmitted to the wheels through a 6 speed automatic gearbox.
The stated weight at the kerb is 1779 kg.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2957 mm | 116.4 inches | |
| Track/tread (front) | 1570 mm | 61.8 inches | |
| Track/tread (rear) | 1582 mm | 62.3 inches | |
| Length | 4986 mm | 196.3 inches | |
| Width | 1844 mm | 72.6 inches | |
| Height | 1463 mm | 57.6 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.69 | ||
| Kerb weight | 1779 kg | 3922 lb | |
| Weight distribution | 54% front | ||
| fuel tank capacity | 66.3 litres | 14.6 [17.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Cadillac | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.6 litre 4565 cc (278.573 cu in) |
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| Bore × Stroke | 93 × 84 mm
3.66 × 3.31 in |
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| Bore/stroke ratio | 1.11 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output (SAE net) |
324 PS (320 bhp) (239 kW) at 6400 rpm |
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| maximum torque (SAE net) |
427 Nm (315 ft·lb) (43.5 kgm) at 4400 rpm |
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| Specific output (SAE net) |
52.3 kW/litre 71.1 ps/litre 70.1 bhp/litre 1.15 bhp/cu in |
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| Specific torque (SAE net) |
93.54 Nm/litre
1.13 ft·lb/cu3 |
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| Engine construction | cast aluminum block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | SFI | ||
| bmep (brake mean effective pressure) | 1175.4 kPa (170.5 psi) | ||
| Maximum RPM | 6750 rpm | ||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 570.63 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 | Higher is better 182.38 PS/tonne (1000 kg) 0.18 PS/kg 134.13 kW/tonne (1000 kg) 0.13 kW/kg 179.88 bhp/tonne (1000 kg) 0.18 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.46 kg/kW 12.45 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 15/24 US MPG EPA city/highway | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 15.7/9.8 l/100km city/highway | ||
| km/litre | 6.4/10.2 km/l city/highway | ||
| UK MPG | 18.0/28.8 UK MPG city/highway | ||
| US MPG | 15.0/24.0 US MPG city/highway | ||
| 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 | power assisted rack & pinion | ||
| turns lock-to-lock | 3.000 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 7½ x 17 | ||
| Wheel size rear | 7½ x 17 | ||
| Tyres front | Michelin 235/50 R 17 | ||
| Tyres rear | Michelin 235/50 R 17 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 355 mm | ||
| Rear brake diameter | 365 mm | ||
| Braked area | |||
| Gearbox | 6 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | 3.42 | ||
| general | |||
| Carfolio.com ID | 647636 | ||
| Production total | |||
| Model code | |||
| RAC rating | 42.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2009 Cadillac STS V8 added 2020-03-06. Last modified 2020-03-16. |
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