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Stag I specs

Triumph Stag I 3.0 V8 manual Convertible 4-sp manual

108 kW147 PS145 hp230 Nm1970–1977

petrol · 4-speed manual · Convertible

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Triumph Stag I
Power
108 kW 147 PS · 145 hp
Torque
230 Nm 170 lb-ft
Kerb weight
1,300 kg
Length
4,394 mm

Under the bonnet of the Triumph Stag I 3.0 V8 manual convertible sits a 3.0-litre eight-cylinder petrol engine, good for 108 kW (147 PS) and 230 Nm of torque. The Stag I 3.0 V8 manual pairs rear-wheel drive with a four-speed manual gearbox.

The car weighs 1,300 kg and has 113 PS per tonne to work with.

Dimensions drawing

To scale · width without mirrors

    Length 4,394 mmLength 14 ft 5 in1,257 mm4 ft 1 inWheelbase 2,540 mmWheelbase 8 ft 4 inWidth 1,613 mmWidth 5 ft 4 in

    rulers in mminches, grid 500 mm1 ft Side view: dashed lines mark the axles

    Engine

    FuelPetrol
    Displacement2,997 cm³ 3.0 l · 183 cu in
    Cylinders8
    Power108 kW 147 PS · 145 hp
    Torque230 Nm 170 lb-ft

    Transmission

    GearboxManual
    Gears4
    DriveRear-wheel drive

    Dimensions and weight

    Length4,394 mm 173.0 in
    Width1,613 mm 63.5 in
    Height1,257 mm 49.5 in
    Wheelbase2,540 mm 100.0 in
    Kerb weight1,300 kg 2,866 lb

    Production

    Body typeConvertible
    Years1970–1977
    GenerationStag I (1970–1977)

    Compare size All Stag I versions All Triumph spec sheets

    Data sources

    Data checked by an editor against the sources below.

    Data: 15 of 25 fields · 1 source · data changed 6 Nov 2026

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