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Porsche 928 GT

(1990 model)

Brief specs of 1990 Porsche 928 GT

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 4957 cm3 / 302.5 cu in / 302.5 cu in, 242.4 kW / 325.1 hp / 325.1 hp @ 6200 rpm / 6200 rpm / 6200 rpm, 430.0 N·m / 317.2 lb·ft / 317.2 lb·ft @ 4100 rpm / 4100 rpm / 4100 rpm, manual 5-speed transmission, rear wheel drive, 274 km/h / 170 mph / 170 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PorscheIssued from1990
Model928 GTIssued until
Serie928Number made
Model familyBody construction
Model codeBody designation
ManufacturerPorscheCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4447 mm / 175.1 in / 175.1 inTotal (curb) weight1580 kg / 3483 lb / 3483 lb
Width1836 mm / 72.3 in / 72.3 inDry weight
Height1282 mm / 50.5 in / 50.5 inLoad capacity
Wheelbase2500 mm / 98.4 in / 98.4 inGross (max.) weight
Track front1549 mm / 61.0 in / 61.0 inTowing weight
Track rear1521 mm / 59.9 in / 59.9 inWeight distribution (front)
Ground clearanceFuel capacity86 l / 18.9 UK gal / 22.7 US gal
Length/wheelbase ratio1.78  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.34Frontal area (A)2.00 m2 / 21.5 sq ft / 21.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.68 m2 / 7.3 sq ft / 7.3 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)16.9 kW / 22.7 hp / 22.7 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (90.0° vee)Total number of valves32
Engine ManufacturerPorscheValves per cylinder4
Engine constructionBore100.0 mm / 3.94 in / 3.94 in
Fuelpetrol (gasoline)Stroke78.9 mm / 3.11 in / 3.11 in
Fuel detailsBore/Stroke ratio1.27
Fuel supplyBosch LH-Jetronic fuel injectionEngine displacement4957 cm3 / 302.5 cu in / 302.5 cu in
Engine Main bearingsUnitary capacity619.63 cm3/cylinder / 37.812 cu in/cylinder / 37.812 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio10.0 : 1
SumpMax. output power242.4 kW / 325.1 hp / 325.1 hp at 6200 rpm / 6200 rpm / 6200 rpm
AspirationnaturalMax. torque430.0 N·m / 317.2 lb·ft / 317.2 lb·ft at 4100 rpm / 4100 rpm / 4100 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)110.4 kW / 148.1 hp / 148.1 hp (est.)
CoolantwaterSpecific output48.9 kW/l / 1.075 bhp/cu in / 1.075 bhp/cu in
Catalytic converterSpecific torque86.8 N·m/l / 0.76 lb·ft/cu in / 0.76 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.64

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed274 km/h / 170 mph / 170 mph
Acceleration 0-60 mph (97 km/h)5.60 s / 5.60 s / 5.60 sPower-to-weight ratio205.7 kW/ton / 155.9 bhp/ton / 155.9 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 alignmentlongitudinal
Steeringrack & pinion PASSteering details
Turns lock-to-lockTurning circle11.0 m / 36.1 ft / 36.1 ft
Suspension frontIndependent, Upper & lower wishbones, MacPherson strut, Coil springsSuspension rearIndependent,L Trailing arm, Upper wishbone, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels front7J x 16Wheels rear8J x 16
Tyres front225/50 ZR 16Tyres rear245/45 ZR 16
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front282 mm / 11.1 in / 11.1 inBrake diameter rear289 mm / 11.4 in / 11.4 in
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Porsche 928 GT

Infobox

Beyond basic auto insurance

In addition to having enough liability protection, there are some other coverages you should consider:

Collision: Pays for damage to your car resulting from a collision with another car, an object or as a result of flipping over. It also covers damage caused by potholes. Even if you are at fault for the accident, your collision coverage will reimburse you for the costs of repairing your car, minus the deductible. If you are not at fault, your insurance company may try to recover the amount they paid out from the other driver’s insurance company though a process called subrogation. If the company is successful, you will be reimbursed for the deductible.

Comprehensive: Reimburses you for loss due to theft or damage caused by something other than a collision with another car or object, such as fire, falling objects, missiles, explosion, earthquake, windstorm, hail, flood, vandalism, riot, or contact with animals such as birds or deer. Comprehensive insurance will also reimburse you if your windshield is cracked or shattered; some companies may waive the deductible on the glass portion of this coverage.

Uninsured and Underinsured Motorist Coverage: Reimburses you, a member of your family, or a designated driver if one of you is hit by an uninsured or hit-and-run driver. Underinsured motorist coverage comes into play when an at-fault driver has insufficient insurance to pay for your total loss. These coverages are required in 19 states, but available in all. It is important to purchase the same amount of coverage for uninsured/underinsured motorists as you have for liability to others.

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