Key facts

1998 Alfa Romeo 156 V6 Q-System information summary

What body style?
sedan/saloon with 4/5 seats
How long?
4430 mm
How heavy?
1350 kg
What size engine?
2.5 litre, 2492 cm3
How many cylinders?
6, V
How much power?
190 PS / 187 bhp / 139 kW @ 6300 rpm
How much torque?
222 Nm / 164 ft.lb / 22.6 kgm @ 5000 rpm
How quick?
0-100 km/h: 8.50 s
How fast?
227 km/h, 141 mph
How economical?
17.5/8.6/11.9 l/100km urban/extra-urban/combined

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1998 Alfa Romeo 156 V6 Q-System technical specifications

Introduction

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 8.50 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.
1998 Alfa Romeo 156 V6 Q-System data
1998 Alfa Romeo 156 V6 Q-System data
bodywork
Body type4/5 seater sedan/saloon
Number of doors4
Designer
dimensions & weights
mminches
Wheelbase 2595 102.2
Track/tread (front) 1511 59.5
Track/tread (rear) 1498 59
Length 4430 174.4
Width 1745 68.7
Height 1415 55.7
Ground clearance
length:wheelbase ratio 1.71
Kerb weight 1350 kg 2976 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
double overhead camshaft (DOHC)
4 valves per cylinder
24 valves in total
maximum power output
(DIN)
190 PS (187 bhp) (139 kW)
at 6300 rpm
Specific output
(DIN)
75 bhp/litre
1.23 bhp/cu in
maximum torque
(DIN)
222 Nm (164 ft·lb) (22.6 kgm)
at 5000 rpm
Specific torque
(DIN)
89.09 Nm/litre
1.08 ft·lb/cu3
Engine construction
sump
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 8.50 s
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre 29.00 s
Maximum speed 227 km/h (141 mph)
Power-to-weight ratio 140.44 PS/g
103.29 kW/g
138.52 bhp/ton
0.06 bhp/lb
Weight-to-power ratio 9.68 kg/kW
16.17 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 per 100km17.58.611.9 l100km urbanextra-urbancombined
km per 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
Carfolio Calculated CO2 ? 276.08 g/km
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout transverse
Drive wheels front wheel drive  
Torque split N/A
Steering rack & pinion PAS
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
Gearbox 4 speed automatic
Top gear ratio 1.06
Final drive ratio 2.86
general
Carfolio.com ID79442
Production total
Model code
Model family
RAC rating 28.8
Insurance classification No information available
Tax band No information available
1998 Alfa Romeo 156 V6 Q-System added 1998-01-06.
Last modified 2013-02-28.

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1998 Alfa Romeo 156 V6 Q-System


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