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Alfa Romeo 156 2.5 V6 24v Q-System

(2003 model)

Brief specs of 2003 Alfa Romeo 156 2.5 V6 24v Q-System

4-door 5-seater sedan (saloon), petrol (gasoline) 6-cylinder 24-valve V engine, DOHC (double overhead camshafts, twin cam), 2492 cm3 / 152.1 cu in / 152.1 cu in, 140.9 kW / 189.0 hp / 189.0 hp @ 6300 rpm / 6300 rpm / 6300 rpm, 218.0 N·m / 160.8 lb·ft / 160.8 lb·ft @ 5000 rpm / 5000 rpm / 5000 rpm, automatic 4-speed transmission, front wheel drive, 227 km/h / 141 mph / 141 mph top speed, consumption 11.9 l/100km / 23.7 mpg-UK / 19.8 mpg-US

units: metric UK US

Basic (general) data

Marque (make)Alfa RomeoIssued from2003
Model156 2.5 V6 24v Q-SystemIssued until
Serie156Number made
Model familyBody construction
Model codeBody designation
ManufacturerFiat GroupCountryIT,BR,ZA

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerGiugiaroCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4435 mm / 174.6 in / 174.6 inTotal (curb) weight1435 kg / 3164 lb / 3164 lb
Width1743 mm / 68.6 in / 68.6 inDry weight
Height1430 mm / 56.3 in / 56.3 inLoad capacity
Wheelbase2595 mm / 102.2 in / 102.2 inGross (max.) weight
Track front1511 mm / 59.5 in / 59.5 inTowing weight
Track rear1498 mm / 59.0 in / 59.0 inWeight distribution (front)
Ground clearanceFuel capacity63 l / 13.9 UK gal / 16.6 US gal
Length/wheelbase ratio1.71  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.12 m2 / 22.8 sq ft / 22.8 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders6
Engine TypeV engine (60.0° vee)Total number of valves24
Engine ManufacturerAlfa RomeoValves per cylinder4
Engine constructionBore88.0 mm / 3.46 in / 3.46 in
Fuelpetrol (gasoline)Stroke68.3 mm / 2.69 in / 2.69 in
Fuel detailsBore/Stroke ratio1.29
Fuel supplyBo Motronic ME 3.1 MPiEngine displacement2492 cm3 / 152.1 cu in / 152.1 cu in
Engine Main bearingsUnitary capacity415.33 cm3/cylinder / 25.345 cu in/cylinder / 25.345 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio10.3 : 1
SumpMax. output power140.9 kW / 189.0 hp / 189.0 hp at 6300 rpm / 6300 rpm / 6300 rpm
AspirationnaturalMax. torque218.0 N·m / 160.8 lb·ft / 160.8 lb·ft at 5000 rpm / 5000 rpm / 5000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)63.8 kW / 85.6 hp / 85.6 hp (est.)
CoolantwaterSpecific output56.5 kW/l / 1.242 bhp/cu in / 1.242 bhp/cu in
Catalytic converteryesSpecific torque87.5 N·m/l / 0.77 lb·ft/cu in / 0.77 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears4
Wheel drivefront wheel driveTop gear (drive) ratio1.06
  Final gear (drive) ratio2.86

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed227 km/h / 141 mph / 141 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio131.7 kW/ton / 99.8 bhp/ton / 99.8 bhp/ton
Acceleration 0-100 km/h8.50 s / 8.50 s / 8.50 sFuel consumption, City (urban)17.5 l/100km / 16.1 mpg-UK / 13.4 mpg-US
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)8.6 l/100km / 32.8 mpg-UK / 27.4 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)11.9 l/100km / 23.7 mpg-UK / 19.8 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions283 g/km / 455 g/mi / 455 g/mi
  Range529 km / 329 mi / 329 mi

Chassis

Engine locationfrontEngine alignmenttransverse
Steeringrack & pinion PASSteering details
Turns lock-to-lockTurning circle11.6 m / 38.1 ft / 38.1 ft
Suspension frontIndependent, Double wishbones, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, MacPherson strut, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres front205/60 15Tyres rear205/60 15
Brakes frontventilated discBrakes reardisc
Brake diameter front284 mm / 11.2 in / 11.2 inBrake diameter rear276 mm / 10.9 in / 10.9 in
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Alfa Romeo 156 2.5 V6 24v Q-System

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