Triumph TR6 I 2.5 PI Roadster
112 kW152 PS150 hp222 Nm1968–1972
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- Power
- 112 kW 152 PS · 150 hp
- Torque
- 222 Nm 164 lb-ft
- Kerb weight
- 1,130 kg
- Top speed
- 193 km/h
- Length
- 3,950 mm
- Displacement
- 2,498 cm³
A 2.5-litre six-cylinder petrol engine with 112 kW (152 PS) and 222 Nm of torque powers the Triumph TR6 I 2.5 PI (150 bhp) roadster. In the TR6 I 2.5 PI (150 bhp), power reaches the rear wheels through a four-speed manual gearbox.
It is the most powerful of the 3 versions in the TR6 I range, with 44% more output than the entry 2.5 twin carburettor (US) (78 kW). The TR6 I 2.5 PI (150 bhp) is also the strongest on torque (222 Nm). According to our catalog data, the TR6 I 2.5 PI (150 bhp) reaches 193 km/h, weighs 1,130 kg and has 135 PS per tonne to work with.
What the figures favour in the TR6 I 2.5 PI (150 bhp)
- Most powerful version of the TR6 I: 112 kW (152 PS)
- Most torque in the range: 222 Nm
Dimensions drawing
To scale · width without mirrors
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grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 2,498 cm³ 2.5 l · 152 cu in |
| Cylinders | 6 |
| Power | 112 kW 152 PS · 150 hp |
| Torque | 222 Nm 164 lb-ft |
Transmission
| Gearbox | Manual |
|---|---|
| Gears | 4 |
| Drive | Rear-wheel drive |
Performance
| Top speed | 193 km/h 120 mph |
|---|
Dimensions and weight
| Length | 3,950 mm 155.5 in |
|---|---|
| Width | 1,550 mm 61.0 in |
| Height | 1,270 mm 50.0 in |
| Wheelbase | 2,235 mm 88.0 in |
| Kerb weight | 1,130 kg 2,491 lb |
Production
| Body type | Roadster |
|---|---|
| Years | 1968–1972 |
| Generation | TR6 I (1968–1976) |
Compare size All TR6 I versions All Triumph spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 16 of 25 fields · 1 source · data changed 6 Nov 2026
- Wikipedia - Triumph TR6