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Porsche 911 Cabriolet

(1981 model)

Brief specs of 1981 Porsche 911 Cabriolet

2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 6-cylinder 12-valve flat (horizontally opposed, boxer) engine, SOHC (single overhead camshaft), 3164 cm3 / 193.1 cu in / 193.1 cu in, 170.0 kW / 228.0 hp / 228.0 hp @ 5900 rpm / 5900 rpm / 5900 rpm, 284.0 N·m / 209.5 lb·ft / 209.5 lb·ft @ 4800 rpm / 4800 rpm / 4800 rpm, manual 5-speed transmission, rear wheel drive, 246 km/h / 153 mph / 153 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1981
Model911 CabrioletIssued until
Serie911Number made
Model familyBody construction
Model codeBody designation
ManufacturerPorscheCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typedrophead coupé (convertible coupé)Number of seats2
Bodywork designerCargo capacity (volume)100 l / 3.53 cu ft / 3.53 cu ft
Passenger space (volume)3740 l / 132.08 cu ft / 132.08 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4290 mm / 168.9 in / 168.9 inTotal (curb) weight1260 kg / 2778 lb / 2778 lb
Width1652 mm / 65.0 in / 65.0 inDry weight
Height1320 mm / 52.0 in / 52.0 inLoad capacity
Wheelbase2268 mm / 89.3 in / 89.3 inGross (max.) weight
Track front1372 mm / 54.0 in / 54.0 inTowing weight
Track rear1380 mm / 54.3 in / 54.3 inWeight distribution (front)
Ground clearanceFuel capacity80 l / 17.6 UK gal / 21.1 US gal
Length/wheelbase ratio1.89  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.39Frontal area (A)1.85 m2 / 20.0 sq ft / 20.0 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.72 m2 / 7.8 sq ft / 7.8 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)18.0 kW / 24.1 hp / 24.1 hp (est.)

Engine

Engine CodeTotal number of cylinders6
Engine Typeflat (horizontally opposed, boxer) (Boxer, 6 cylinder)Total number of valves12
Engine ManufacturerPorscheValves per cylinder2
Engine constructionBore95.0 mm / 3.74 in / 3.74 in
Fuelpetrol (gasoline)Stroke74.4 mm / 2.93 in / 2.93 in
Fuel detailsBore/Stroke ratio1.28
Fuel supplyBo L-Jet fuel inj.Engine displacement3164 cm3 / 193.1 cu in / 193.1 cu in
Engine Main bearings8Unitary capacity527.33 cm3/cylinder / 32.180 cu in/cylinder / 32.180 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio10.3 : 1
SumpdryMax. output power170.0 kW / 228.0 hp / 228.0 hp at 5900 rpm / 5900 rpm / 5900 rpm
AspirationnaturalMax. torque284.0 N·m / 209.5 lb·ft / 209.5 lb·ft at 4800 rpm / 4800 rpm / 4800 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)87.1 kW / 116.8 hp / 116.8 hp (est.)
CoolantairSpecific output53.7 kW/l / 1.181 bhp/cu in / 1.181 bhp/cu in
Catalytic converternoSpecific torque89.8 N·m/l / 0.79 lb·ft/cu in / 0.79 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio0.76
  Final gear (drive) ratio3.88

Performance

Acceleration 0-50 mph (80 km/h)4.65 s / 4.65 s / 4.65 sTop (maximal) speed246 km/h / 153 mph / 153 mph
Acceleration 0-60 mph (97 km/h)6.10 s / 6.10 s / 6.10 sPower-to-weight ratio180.9 kW/ton / 137.1 bhp/ton / 137.1 bhp/ton
Acceleration 0-100 km/h6.26 s / 6.26 s / 6.26 sFuel 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 locationrearEngine alignmentlongitudinal
Steeringrack & pinionSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, MacPherson strut, Torsion bar, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Semi-trailing arm, Torsion bar, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres front215/60-R15Tyres rear215/60-R15
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Porsche 911 Cabriolet

Infobox

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(...)

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