2003 Alfa Romeo 156 2.5 V6 24v Q-System

The Alfa Romeo 156 2.5 V6 24v Q-System is a 4 door saloon (sedan)-bodied road car designed by Giugiaro with a front positioned engine supplying power to the front wheels. The Alfa Romeo 156 2.5 V6 24v Q-System's engine is a naturally aspirated petrol, 2.5 litre, double overhead camshaft 60 degree V 6 cylinder with 4 valves per cylinder. This powerplant has an output of 189 bhp (192 PS/141 kW) of power at 6300 rpm, and maximum torque of 218 N·m (161 lb·ft/22.2 kgm) at 5000 rpm. The engine delivers its power through to the wheels via a 4 speed automatic 'box. Quoted weight at the kerb is 1435 kg. Maximum speed claimed is 227 km/h or 141 mph, manufacturer claimed fuel consumption is 17.5/8.6/11.9 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 283.0 g/km.

Pictures

Key facts

2003 Alfa Romeo 156 2.5 V6 24v Q-System information summary

What body style?
4 door sedan/saloon with 4/5 seats
How long?
4435 mm
How heavy?
1435 kg
What size engine?
2.5 litre, 2492 cm3
How many cylinders?
6, V
How much power?
192 PS / 189 bhp / 141 kW @ 6300 rpm
How much torque?
218 Nm / 161 ft.lb / 22.2 kgm @ 5000 rpm
How quick?
0-100 km/h: 8.5 s
How fast?
227 km/h, 141 mph
How economical?
17.5/8.6/11.9 l/100km urban/extra-urban/combined
What carbon dioxide emissions?
283.0 CO2 g/km

Alfa Romeo 156 models

4 door sedan/​saloon FF 5M 1598 cm3 120 PS 118 bhp 88 kW 195.0 CO2 1265 kg
4 door sedan/​saloon FF 5M 1747 cm3 140 PS 138 bhp 103 kW 202.0 CO2 1265 kg
4 door sedan/​saloon FF 5M 1910 cm3 115 PS 113 bhp 84 kW 155.0 CO2 1305 kg
4 door sedan/​saloon FF 6M 1910 cm3 140 PS 138 bhp 103 kW 157.0 CO2 1305 kg
4 door sedan/​saloon FF 5M 1970 cm3 164 PS 162 bhp 121 kW 205.0 CO2 1285 kg
Alfa Romeo 156 2.4 JTD Multijet -
4 door sedan/​saloon FF 6M 2387 cm3 174 PS 172 bhp 128 kW 175.0 CO2 1385 kg
4 door sedan/​saloon FF 6M 2492 cm3 192 PS 189 bhp 141 kW 282.0 CO2 1405 kg
5 door estate/​station wagon FF 5M 1598 cm3 120 PS 118 bhp 88 kW 198.0 CO2 1315 kg
5 door estate/​station wagon FF 5M 1747 cm3 140 PS 138 bhp 103 kW 205.0 CO2 1315 kg
5 door estate/​station wagon FF 5M 1910 cm3 115 PS 113 bhp 84 kW 160.0 CO2 1355 kg
5 door estate/​station wagon FF 6M 1910 cm3 140 PS 138 bhp 103 kW 161.0 CO2 1355 kg
Alfa Romeo 156 Sportwagon 2.0 JTS -
5 door estate/​station wagon FF 5M 1970 cm3 164 PS 162 bhp 121 kW 205.0 CO2 1335 kg
5 door estate/​station wagon FF 6M 2387 cm3 174 PS 172 bhp 128 kW 178.0 CO2 1435 kg
5 door estate/​station wagon FF 6M 2492 cm3 192 PS 189 bhp 141 kW 286.0 CO2 1405 kg
5 door estate/​station wagon FF 4A 2492 cm3 192 PS 189 bhp 141 kW 291.0 CO2 1435 kg
4 door sedan/​saloon FF 5M 1598 cm3 120 PS 118 bhp 88 kW 195.0 CO2 1265 kg
4 door sedan/​saloon FF 5M 1747 cm3 140 PS 138 bhp 103 kW 202.0 CO2 1265 kg
Alfa Romeo 156 1.9 JTD -
4 door sedan/​saloon FF 5M 1910 cm3 115 PS 113 bhp 84 kW 155.0 CO2 1305 kg
Alfa Romeo 156 -
4 door sedan/​saloon FF 6M 1910 cm3 140 PS 138 bhp 103 kW 157.0 CO2 1305 kg
Alfa Romeo 156 2.0 JTS -
4 door sedan/​saloon FF 5M 1970 cm3 165 PS 163 bhp 122 kW 206.0 CO2 1285 kg
4 door sedan/​saloon FF 5M 2387 cm3 150 PS 148 bhp 110 kW 175.0 CO2 1385 kg
4 door sedan/​saloon FF 6M 2492 cm3 192 PS 189 bhp 141 kW 282.0 CO2 1355 kg
4 door sedan/​saloon FF 4A 2492 cm3 192 PS 189 bhp 141 kW 291.0 CO2 1385 kg
Alfa Romeo 156 GTA -
4 door sedan/​saloon FF 6M 3179 cm3 250 PS 246.5 bhp 184 kW 287.0 CO2 1410 kg
4 door sedan/​saloon FF 6M 3458 cm3 304 PS 300 bhp 224 kW
5 door estate/​station wagon FF 5M 1598 cm3 120 PS 118 bhp 88 kW 198.0 CO2 1315 kg
5 door estate/​station wagon FF 5M 1747 cm3 140 PS 138 bhp 103 kW 205.0 CO2 1315 kg
5 door estate/​station wagon FF 5M 1910 cm3 115 PS 113 bhp 84 kW 160.0 CO2 1355 kg
Alfa Romeo 156 Sportwagon -
5 door estate/​station wagon FF 5M 1970 cm3 165 PS 163 bhp 122 kW 212.0 CO2 1335 kg
5 door estate/​station wagon FF 5M 2387 cm3 150 PS 148 bhp 110 kW 178.0 CO2 1435 kg

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2003 Alfa Romeo 156 2.5 V6 24v Q-System data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
DesignerGiugiaro
dimensions & weights
mminches
Wheelbase 2595 mm 102.2 inches
Track/tread (front) 1511 mm 59.5 inches
Track/tread (rear) 1498 mm 59 inches
Length 4435 mm 174.6 inches
Width 1743 mm 68.6 inches
Height 1430 mm 56.3 inches
Ground clearance
length:wheelbase ratio 1.71
Kerb weight 1435 kg 3164 lb
Weight distribution
fuel tank capacity 63 litres 13.9 UK Gal 16.6 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
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)
Bore × Stroke 88 × 68.3 mm
3.46 × 2.69 in
Bore/stroke ratio 1.29
Valve gear double overhead camshaft (DOHC)
4 valves per cylinder
24 valves in total
maximum power output
(CEE)
192 PS (189 bhp) (141 kW)
at 6300 rpm
Specific output
(CEE)
75.8 bhp/litre
1.24 bhp/cu in
maximum torque
(CEE)
218 Nm (161 ft·lb) (22.2 kgm)
at 5000 rpm
Specific torque
(CEE)
87.48 Nm/litre
1.06 ft·lb/cu3
Engine construction
sump
compression ratio 10.3:1
Fuel system Bo Motronic ME 3.1 MPi
bmep (brake mean effective pressure) 1099.3 kPa (159.4 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 133.54 PS/tonne (1000 kg)
98.21 kW/tonne (1000 kg)
131.71 bhp/tonne (1000 kg)
0.06 bhp/lb
Weight-to-power ratio 10.18 kg/kW
17.01 lb/bhp
fuel consumption
Fuel consumption 17.5/8.6/11.9 l/100km urban/extra-urban/combined
universal consumption (calculated from the above)
litres/100km17.5/8.6/11.9 l/100km urban/extra-urban/combined
km/litre5.7/11.6/8.4 km/l urban/extra-urban/combined
UK MPG16.1/32.8/23.7 UK MPG urban/extra-urban/combined
US MPG13.4/27.4/19.8 US MPG urban/extra-urban/combined
Carbon dioxide emissions 283.0 g/km
Carfolio Calculated CO2 ? 276.08 g/km
VED band (UK) M
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
Turning circle 11.60 m
Front suspension I.DW.ARB.
Rear suspension I.MS.ARB.
Wheel size front
Wheel size rear
Tyres front 205/60 15
Tyres rear 205/60 15
Brakes F/R VeDi/Di-S
Front brake diameter 284 mm
Rear brake diameter 276 mm
Braked area
Gearbox 4 speed automatic
Top gear ratio 1.06
Final drive ratio 2.86
general
Carfolio.com ID110924
Production total
Model code
Model family
RAC rating 28.8
Insurance classification No information available
Tax band No information available
2003 Alfa Romeo 156 2.5 V6 24v Q-System added 2003-06-13.
Last modified 2013-02-28.