The 156 V6 Q-System is a front wheel drive sedan/saloon road car with a front placed engine, from Alfa Romeo.
The power is produced by a naturally aspirated engine of 2.5 litre capacity. This unit features double overhead camshaft valve gear, a 60 degree V 6 cylinder layout, and 4 valves per cylinder. It has an output of 187 bhp (190 PS/139 kW) of power at 6300 rpm, and maximum torque of 222 N·m (164 lb·ft/22.6 kgm) at 5000 rpm.
The engine powers the wheels via a 4 speed automatic set of gears.
With a claimed kerb weight of 1350 kg, the Alfa Romeo 156 V6 Q-System can dispense with the 0-100 km/h dash in 8.5 seconds and the standing kilometre in 29 seconds.
Maximum speed claimed is 227 km/h (141 mph), quoted fuel consumption figures are 17.5/8.6/11.9 l/100km urban/extra-urban/combined.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2595 mm | 102.2 inches | |
| Track/tread (front) | 1511 mm | 59.5 inches | |
| Track/tread (rear) | 1498 mm | 59 inches | |
| Length | 4430 mm | 174.4 inches | |
| Width | 1745 mm | 68.7 inches | |
| Height | 1415 mm | 55.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | 1350 kg | 2976 lb | |
| Weight distribution | |||
| fuel tank capacity | 63 litres | 13.9 [16.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Alfa Romeo | ||
| Engine code | |||
| Cylinders | V 6 in 60° vee | ||
| Capacity | 2.5 litre 2492 cc (152.071 cu in) |
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| Bore × Stroke | 88 × 68.3 mm
3.46 × 2.69 in |
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| Bore/stroke ratio | 1.29 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output (DIN) |
190 PS (187 bhp) (139 kW) at 6300 rpm |
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| maximum torque (DIN) |
222 Nm (164 ft·lb) (22.6 kgm) at 5000 rpm |
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| Specific output (DIN) |
56 kW/litre 76.1 ps/litre 75 bhp/litre 1.23 bhp/cu in |
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| Specific torque (DIN) |
89.09 Nm/litre
1.08 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 10.3:1 | ||
| Fuel system | Bo Motronic ME2.1 MPi | ||
| bmep (brake mean effective pressure) | 1119.5 kPa (162.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 415.33 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 8.5 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | 29 s | ||
| Maximum speed | 227 km/h (141 mph) | ||
| Power-to-weight ratio | Higher is better 140.44 PS/tonne (1000 kg) 0.14 PS/kg 103.29 kW/tonne (1000 kg) 0.1 kW/kg 138.52 bhp/tonne (1000 kg) 0.14 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.68 kg/kW 16.17 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 17.5/8.6/11.9 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 17.5/8.6/11.9 l/100km urban/extra-urban/combined | ||
| km/litre | 5.7/11.6/8.4 km/l urban/extra-urban/combined | ||
| UK MPG | 16.1/32.8/23.7 UK MPG urban/extra-urban/combined | ||
| US MPG | 13.4/27.4/19.8 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | transverse | ||
| Drive wheels | front wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | 2.100 | ||
| Turning circle | 11.60 m | ||
| Front suspension | I.DW.CS.ARB. | ||
| Rear suspension | I.ARB. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 205/60 WR 15 | ||
| Tyres rear | 205/60 Wr 16 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | 284 mm | ||
| Rear brake diameter | 251 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 1.06 | ||
| Final drive ratio | 2.86 | ||
| general | |||
| Carfolio.com ID | 79442 | ||
| Production total | |||
| Model code | |||
| RAC rating | 28.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1998 Alfa Romeo 156 V6 Q-System added 1998-01-06. Last modified 2013-02-28. |
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