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Alfa Romeo 156 1.8 Twin Spark

(2003 model)

Brief specs of 2003 Alfa Romeo 156 1.8 Twin Spark

4-door 5-seater sedan (saloon), petrol (gasoline) 4-cylinder 16-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1747 cm3 / 106.6 cu in / 106.6 cu in, 102.9 kW / 138.0 hp / 138.0 hp @ 6500 rpm / 6500 rpm / 6500 rpm, 163.0 N·m / 120.2 lb·ft / 120.2 lb·ft @ 3900 rpm / 3900 rpm / 3900 rpm, manual 5-speed transmission, front wheel drive, 208 km/h / 129 mph / 129 mph top speed, consumption 8.5 l/100km / 33.2 mpg-UK / 27.7 mpg-US

units: metric UK US

Basic (general) data

Marque (make)Alfa RomeoIssued from2003
Model156 1.8 Twin SparkIssued 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) weight1265 kg / 2789 lb / 2789 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 front1519 mm / 59.8 in / 59.8 inTowing weight
Track rear1506 mm / 59.3 in / 59.3 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 cylinders4
Engine Typestraight (inline) Total number of valves16
Engine ManufacturerAlfa RomeoValves per cylinder4
Engine constructionBore82.0 mm / 3.23 in / 3.23 in
Fuelpetrol (gasoline)Stroke82.7 mm / 3.26 in / 3.26 in
Fuel detailsBore/Stroke ratio0.99
Fuel supplyBo Motronic ME7Engine displacement1747 cm3 / 106.6 cu in / 106.6 cu in
Engine Main bearingsUnitary capacity436.75 cm3/cylinder / 26.652 cu in/cylinder / 26.652 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio10.3 : 1
SumpMax. output power102.9 kW / 138.0 hp / 138.0 hp at 6500 rpm / 6500 rpm / 6500 rpm
AspirationnaturalMax. torque163.0 N·m / 120.2 lb·ft / 120.2 lb·ft at 3900 rpm / 3900 rpm / 3900 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)50.3 kW / 67.4 hp / 67.4 hp (est.)
CoolantwaterSpecific output58.9 kW/l / 1.294 bhp/cu in / 1.294 bhp/cu in
Catalytic converteryesSpecific torque93.3 N·m/l / 0.82 lb·ft/cu in / 0.82 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel drivefront wheel driveTop gear (drive) ratio0.92
  Final gear (drive) ratio3.73

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed208 km/h / 129 mph / 129 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio109.1 kW/ton / 82.7 bhp/ton / 82.7 bhp/ton
Acceleration 0-100 km/h9.40 s / 9.40 s / 9.40 sFuel consumption, City (urban)12.1 l/100km / 23.3 mpg-UK / 19.4 mpg-US
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)6.4 l/100km / 44.1 mpg-UK / 36.8 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)8.5 l/100km / 33.2 mpg-UK / 27.7 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions202 g/km / 325 g/mi / 325 g/mi
  Range741 km / 461 mi / 461 mi

Chassis

Engine locationfrontEngine alignmenttransverse
Steeringrack & pinion PASSteering details
Turns lock-to-lockTurning circle11.1 m / 36.4 ft / 36.4 ft
Suspension frontIndependent, Double wishbones, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Double wishbones, Trailing arm, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres front185/65 15Tyres rear185/65 15
Brakes frontventilated discBrakes reardisc
Brake diameter front281 mm / 11.1 in / 11.1 inBrake diameter rear276 mm / 10.9 in / 10.9 in
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Alfa Romeo 156 1.8 Twin Spark

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