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Triumph TR-7 Cabriolet

(1981 model)

Brief specs of 1981 Triumph TR-7 Cabriolet

2-door 2-seater convertible (cabriolet), petrol (gasoline) 4-cylinder straight (inline) engine, 1998 cm3 / 121.9 cu in / 121.9 cu in, 77.0 kW / 103.3 hp / 103.3 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 161.0 N·m / 118.7 lb·ft / 118.7 lb·ft @ 3500 rpm / 3500 rpm / 3500 rpm, manual 5-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)TriumphIssued from1981
ModelTR-7 CabrioletIssued until
SerieTRNumber made
Model familyBody construction
Model codeBody designation
ManufacturerTriumphCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typeconvertible (cabriolet)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)3620 l / 127.84 cu ft / 127.84 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4070 mm / 160.2 in / 160.2 inTotal (curb) weight1045 kg / 2304 lb / 2304 lb
Width1690 mm / 66.5 in / 66.5 inDry weight
Height1270 mm / 50.0 in / 50.0 inLoad capacity
Wheelbase2170 mm / 85.4 in / 85.4 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance100 mm / 3.9 in / 3.9 inFuel capacity55 l / 12.1 UK gal / 14.5 US gal
Length/wheelbase ratio1.88  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.4Frontal area (A)1.82 m2 / 19.6 sq ft / 19.6 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.73 m2 / 7.9 sq ft / 7.9 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)18.1 kW / 24.3 hp / 24.3 hp (est.)

Engine

Engine CodeTotal number of cylinders4
Engine Typestraight (inline) (Inline, 4 cylinder)Total number of valves
Engine ManufacturerValves per cylinder
Engine constructionBore90.3 mm / 3.56 in / 3.56 in
Fuelpetrol (gasoline)Stroke78.0 mm / 3.07 in / 3.07 in
Fuel detailsBore/Stroke ratio1.16
Fuel supplyCarburettorEngine displacement1998 cm3 / 121.9 cu in / 121.9 cu in
Engine Main bearingsUnitary capacity499.53 cm3/cylinder / 30.483 cu in/cylinder / 30.483 cu in/cylinder
Cam DesignCompression ratio9.3 : 1
SumpMax. output power77.0 kW / 103.3 hp / 103.3 hp at 5500 rpm / 5500 rpm / 5500 rpm
AspirationnaturalMax. torque161.0 N·m / 118.7 lb·ft / 118.7 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)30.8 kW / 41.3 hp / 41.3 hp (est.)
CoolantSpecific output38.5 kW/l / 0.847 bhp/cu in / 0.847 bhp/cu in
Catalytic converterSpecific torque80.6 N·m/l / 0.70 lb·ft/cu in / 0.70 lb·ft/cu in

Transmission

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

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio100.5 kW/ton / 76.1 bhp/ton / 76.1 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
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front185/70-R13Tyres rear185/70-R13
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Triumph TR-7 Cabriolet

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