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Alfa Romeo Alfetta GTV 1.8 Twin Spark

(1978 model)

Brief specs of 1978 Alfa Romeo Alfetta GTV 1.8 Twin Spark

2-door 2-seater convertible (cabriolet), 4-cylinder straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1747 cm3 / 106.6 cu in / 106.6 cu in, 107.0 kW / 143.5 hp / 143.5 hp @ 6500 rpm / 6500 rpm / 6500 rpm, 169.0 N·m / 124.6 lb·ft / 124.6 lb·ft @ 3500 rpm / 3500 rpm / 3500 rpm, manual 5-speed transmission, front wheel drive, 210 km/h / 131 mph / 131 mph top speed

units: metric UK US

Basic (general) data

Marque (make)Alfa RomeoIssued from1978
ModelAlfetta GTV 1.8 Twin SparkIssued until
SerieAlfettaNumber made
Model familyBody construction
Model codeBody designation
ManufacturerFiat GroupCountryIT

Bodywork

Base platformNumber of doors2
Bodywork typeconvertible (cabriolet)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)3710 l / 131.02 cu ft / 131.02 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4290 mm / 168.9 in / 168.9 inTotal (curb) weight1350 kg / 2976 lb / 2976 lb
Width1790 mm / 70.5 in / 70.5 inDry weight
Height1320 mm / 52.0 in / 52.0 inLoad capacity
Wheelbase2550 mm / 100.4 in / 100.4 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity70 l / 15.4 UK gal / 18.5 US gal
Length/wheelbase ratio1.68  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.01 m2 / 21.6 sq ft / 21.6 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) (Inline, 4 cylinder)Total number of valves
Engine ManufacturerValves per cylinder
Engine constructionBore82.0 mm / 3.23 in / 3.23 in
FuelStroke82.7 mm / 3.26 in / 3.26 in
Fuel detailsBore/Stroke ratio0.99
Fuel supplyInjectionEngine displacement1747 cm3 / 106.6 cu in / 106.6 cu in
Engine Main bearingsUnitary capacity436.74 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 power107.0 kW / 143.5 hp / 143.5 hp at 6500 rpm / 6500 rpm / 6500 rpm
AspirationMax. torque169.0 N·m / 124.6 lb·ft / 124.6 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)42.8 kW / 57.4 hp / 57.4 hp (est.)
CoolantwaterSpecific output61.2 kW/l / 1.346 bhp/cu in / 1.346 bhp/cu in
Catalytic converterSpecific torque96.7 N·m/l / 0.85 lb·ft/cu in / 0.85 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel drivefront wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed210 km/h / 131 mph / 131 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio108.1 kW/ton / 81.9 bhp/ton / 81.9 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmenttransverse
SteeringSteering details
Turns lock-to-lockTurning circle11.0 m / 36.1 ft / 36.1 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front165/70-R13Tyres rear165/70-R13
Brakes frontventilated discBrakes reardisc
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Alfa Romeo Alfetta GTV 1.8 Twin Spark

Infobox

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