The Grand Marquis is a road car from Mercury, with rear wheel drive, a front mounted engine and a 4 door saloon body style.
Power is produced by an overhead valve, 4.9 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that develops power and torque figures of 150 bhp (152 PS/112 kW) at 3200 rpm and 366 N·m (270 lb·ft/37.3 kgm) at 2000 rpm respectively.
The engine transmits power to the wheels via a 4 speed automatic set of gears.
Quoted weight at the kerb is 1745 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 | 2903 mm | 114.3 inches | |
| Track/tread (front) | 1580 mm | 62.2 inches | |
| Track/tread (rear) | 1610 mm | 63.4 inches | |
| Length | 5425 mm | 213.6 inches | |
| Width | 1970 mm | 77.6 inches | |
| Height | 1410 mm | 55.5 inches | |
| Ground clearance | 130 mm | 5.1 inches | |
| length:wheelbase ratio | 1.87 | ||
| Kerb weight | 1745 kg | 3847 lb | |
| Weight distribution | |||
| fuel tank capacity | 68 litres | 15 [18] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Ford | ||
| Engine code | 99F | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.9 litre 4942 cc (301.579 cu in) |
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| Bore × Stroke | 101.6 × 76.2 mm
4 × 3 in |
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| Bore/stroke ratio | 1.33 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE net) |
152 PS (150 bhp) (112 kW) at 3200 rpm |
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| maximum torque (SAE net) |
366 Nm (270 ft·lb) (37.3 kgm) at 2000 rpm |
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| Specific output (SAE net) |
22.6 kW/litre 30.8 ps/litre 30.4 bhp/litre 0.5 bhp/cu in |
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| Specific torque (SAE net) |
74.06 Nm/litre
0.9 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.9:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 930.7 kPa (135 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 617.75 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 87.15 PS/tonne (1000 kg) 0.09 PS/kg 64.1 kW/tonne (1000 kg) 0.06 kW/kg 85.96 bhp/tonne (1000 kg) 0.09 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 15.6 kg/kW 26.06 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.CS.U&LW.ARB. | ||
| Rear suspension | LA.CS.LowLongA.STA. | ||
| Wheel size front | 6 x 15 | ||
| Wheel size rear | 6 x 15 | ||
| Tyres front | 215/70 R 15 | ||
| Tyres rear | 215/70 R 15 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 280 mm | ||
| Rear brake diameter | 254 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 172513 | ||
| Production total | |||
| Model code | |||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1990 Mercury Grand Marquis added 2008-04-08. Last modified 2025-07-28. |
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