This car has a 4 door saloon (sedan) body style with a front mounted engine that delivers power to the rear wheels.
Its 6 cylinder, double overhead camshaft naturally aspirated engine has 2 valves per cylinder and a displacement of 4.2 litres. In this application it produces power and torque figures of 265 bhp (269 PS/198 kW) at 5400 rpm and 384 Nm (283 lbft/39.2 kgm) at 4000 rpm respectively.
This power is delivered to the wheels via a 4 speed manual with overdrive gearbox.
Having a claimed weight at the kerb of 1839 kg, the Jaguar Mark X 4.2 Overdrive performs the 0-60 mph yardstick in 10.4 seconds and the standing-start quarter mile in 17.4 seconds.
Maximum speed claimed is 198 km/h, which is 123 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3048 mm | 120 inches | |
| Track/tread (front) | 1473 mm | 58 inches | |
| Track/tread (rear) | 1473 mm | 58 inches | |
| Length | 5131 mm | 202 inches | |
| Width | 1930 mm | 76 inches | |
| Height | 1391 mm | 54.8 inches | |
| Ground clearance | 137 mm | 5.4 inches | |
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 1839 kg | 4054 lb | |
| Weight distribution | 54.8% front | ||
| fuel tank capacity | 90.9 litres | 20 [24] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Jaguar | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 4.2 litre 4235 cc (258.436 cu in) |
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| Bore × Stroke | 92.07 × 106 mm
3.62 × 4.17 in |
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| Bore/stroke ratio | 0.87 | ||
| Valve gear | double overhead camshaft (DOHC)
2 valves per cylinder 12 valves in total |
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| maximum power output (Gross) |
269 PS (265 bhp) (198 kW) at 5400 rpm |
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| maximum torque (Gross) |
384 Nm (283 ft·lb) (39.2 kgm) at 4000 rpm |
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| Specific output (Gross) |
46.7 kW/litre 63.4 ps/litre 62.6 bhp/litre 1.03 bhp/cu in |
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| Specific torque (Gross) |
90.67 Nm/litre
1.1 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | 3 SU HD8 carbs | ||
| bmep (brake mean effective pressure) | 1139.4 kPa (165.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 705.83 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 7.9 s | ||
| Acceleration 0-60mph | 10.4 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | 29.5 s | ||
| Standing quarter-mile | 17.4 s | ||
| Standing kilometre | |||
| Maximum speed | 198 km/h (123 mph) | ||
| Power-to-weight ratio | Higher is better 146.1 PS/tonne (1000 kg) 0.15 PS/kg 107.46 kW/tonne (1000 kg) 0.11 kW/kg 144.1 bhp/tonne (1000 kg) 0.14 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.31 kg/kW 15.54 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel 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.W.CS.ARB. | ||
| Rear suspension | I.CS.W.RR. | ||
| Wheel size front | 5½ x 14 | ||
| Wheel size rear | 5½ x 14 | ||
| Tyres front | 205-14 | ||
| Tyres rear | 205-14 | ||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | 277 mm | ||
| Rear brake diameter | 264 mm | ||
| Braked area | 2877 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 0.78 | ||
| Final drive ratio | 3.77 | ||
| general | |||
| Carfolio.com ID | 141196 | ||
| Production total | |||
| Model code | |||
| RAC rating | 31.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1964 Jaguar Mark X 4.2 Overdrive added 2006-05-22. Last modified 2013-02-28. |
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