The Alfa Romeo 155 Q4 is a saloon (sedan) designed by IDEA with 4 doors and a front mounted engine which delivers the power through all four wheels.
Its engine is a turbocharged petrol, 2 litre, double overhead camshaft 4 cylinder with 4 valves per cylinder. This unit develops 187 bhp (190 PS/139 kW) of power at 6000 rpm, and maximum torque of 297 N·m (219 lb·ft/30.3 kgm) at 2500 rpm.
The engine delivers its power through to the wheels via a 5 speed manual gearbox.
Claimed weight at the kerb is 1390 kg.
It is said to be able to achieve a top speed of 225 km/h (140 mph).
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | IDEA | ||
| dimensions & weights | |||
| Wheelbase | 2540 mm | 100 inches | |
| Track/tread (front) | 1477 mm | 58.1 inches | |
| Track/tread (rear) | 1402 mm | 55.2 inches | |
| Length | 4443 mm | 174.9 inches | |
| Width | 1700 mm | 66.9 inches | |
| Height | 1440 mm | 56.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.75 | ||
| Kerb weight | 1390 kg | 3064 lb | |
| Weight distribution | 61% front | ||
| fuel tank capacity | 60 litres | 13.2 [15.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.29 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Fiat | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2 litre 1995 cc (121.742 cu in) |
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| Bore × Stroke | 84 × 90 mm
3.31 × 3.54 in |
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| Bore/stroke ratio | 0.93 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output (DIN) |
190 PS (187 bhp) (139 kW) at 6000 rpm |
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| maximum torque (DIN) |
297 Nm (219 ft·lb) (30.3 kgm) at 2500 rpm |
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| Specific output (DIN) |
69.9 kW/litre 95 ps/litre 93.7 bhp/litre 1.54 bhp/cu in |
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| Specific torque (DIN) |
148.87 Nm/litre
1.8 ft·lb/cu3 |
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| Engine construction | cast iron block; alloy head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8:1 | ||
| Fuel system | Marelli IAW fuel injection | ||
| bmep (brake mean effective pressure) | 1870.8 kPa (271.3 psi) | ||
| Maximum RPM | 7000 rpm | ||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 498.75 cc | ||
| Aspiration | Turbo | ||
| Compressor | 1 Garrett T3 turbocharger | ||
| Intercooler | Air/Air | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 4.9 s | ||
| Acceleration 0-60mph | 6.7 s | ||
| Acceleration 0-100km/h | 7 s | ||
| Acceleration 0-160km/h (100mph) | 18.6 s | ||
| Standing quarter-mile | 15.2 s
@ 91 mph |
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| Standing kilometre | 28 s
@ 182 km/h |
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| Maximum speed | 225 km/h (140 mph) | ||
| Power-to-weight ratio | Higher is better 136.4 PS/tonne (1000 kg) 0.14 PS/kg 100.32 kW/tonne (1000 kg) 0.1 kW/kg 134.53 bhp/tonne (1000 kg) 0.13 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.97 kg/kW 16.65 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 | transverse | ||
| Drive wheels | all wheel drive | ||
| Torque split | 47:53 | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | 2.900 | ||
| Turning circle | 10.70 m | ||
| Front suspension | I.MS.W.CS.ARB. | ||
| Rear suspension | LA.TA.CS.ARB. | ||
| Wheel size front | 6J x 15 | ||
| Wheel size rear | 6J x 15 | ||
| Tyres front | 205/50 ZR 15 | ||
| Tyres rear | 205/50 ZR 15 | ||
| Brakes F/R | VeDi/Di-ABS | ||
| Front brake diameter | 284 mm | ||
| Rear brake diameter | 240 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.92 | ||
| Final drive ratio | 3.35 | ||
| general | |||
| Carfolio.com ID | 40755 | ||
| Production total | |||
| Model code | |||
| RAC rating | 17.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1992 Alfa Romeo 155 Q4 added before December 1995. Last modified 2024-10-10. |
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