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Mazda RX-3

(1972 model)

Brief specs of 1972 Mazda RX-3

4-door 5-seater sedan (saloon), petrol (gasoline) 2-cylinder rotary (Wankel) engine, 1964 cm3 / 119.9 cu in / 119.9 cu in, 82.0 kW / 110.0 hp / 110.0 hp @ 7000 rpm / 7000 rpm / 7000 rpm, 135.0 N·m / 99.6 lb·ft / 99.6 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 4-speed transmission, rear wheel drive, 185 km/h / 115 mph / 115 mph top speed

units: metric UK US

Basic (general) data

Marque (make)MazdaIssued from1972
ModelRX-3Issued until
SerieRX-3Number made
Model familyBody construction
Model codeBody designation
ManufacturerMazda Motor Corp.CountryJP,ZA

Bodywork

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

Dimensions & Weight

Length4064 mm / 160.0 in / 160.0 inTotal (curb) weight884 kg / 1949 lb / 1949 lb
Width1600 mm / 63.0 in / 63.0 inDry weight
Height1372 mm / 54.0 in / 54.0 inLoad capacity
Wheelbase2286 mm / 90.0 in / 90.0 inGross (max.) weight
Track front1295 mm / 51.0 in / 51.0 inTowing weight
Track rear1295 mm / 51.0 in / 51.0 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.78  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.87 m2 / 20.1 sq ft / 20.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders2
Engine Typerotary (Wankel) Total number of valves
Engine ManufacturerMazdaValves per cylinder
Engine constructionBore
Fuelpetrol (gasoline)Stroke
Fuel detailsBore/Stroke ratio
Fuel supply1 Hi carbEngine displacement1964 cm3 / 119.9 cu in / 119.9 cu in
Engine Main bearingsUnitary capacity982.00 cm3/cylinder / 59.925 cu in/cylinder / 59.925 cu in/cylinder
Cam DesignCompression ratio9.4 : 1
SumpMax. output power82.0 kW / 110.0 hp / 110.0 hp at 7000 rpm / 7000 rpm / 7000 rpm
AspirationnaturalMax. torque135.0 N·m / 99.6 lb·ft / 99.6 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)28.2 kW / 37.8 hp / 37.8 hp (est.)
CoolantwaterSpecific output41.8 kW/l / 0.917 bhp/cu in / 0.917 bhp/cu in
Catalytic converternoSpecific torque68.7 N·m/l / 0.60 lb·ft/cu in / 0.60 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.7

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed185 km/h / 115 mph / 115 mph
Acceleration 0-60 mph (97 km/h)10.80 s / 10.80 s / 10.80 sPower-to-weight ratio124.4 kW/ton / 94.3 bhp/ton / 94.3 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 alignment
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Coil springsSuspension rearLive axle, Semi-elliptic leaf springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Mazda RX-3

Infobox

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