Pontiac Trans Am II 455 Super Duty V8 Coupe
216 kW294 PS290 hp536 Nm1973–1974
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- Power
- 216 kW 294 PS · 290 hp
- Torque
- 536 Nm 395 lb-ft
- Kerb weight
- 1,746 kg
- Displacement
- 7,457 cm³
A 7.5-litre eight-cylinder petrol engine with 216 kW (294 PS) and 536 Nm of torque powers the Pontiac Trans Am II 7.5 455 Super Duty V8 coupe. In the Trans Am II 7.5 455 Super Duty V8, power goes to the rear wheels.
Its output sits mid-range among the 5 versions: 45% up on the entry 6.6 T/A V8 (149 kW), 41 kW below the 6.6 400 Ram Air IV V8 (SAE gross) (257 kW). The Trans Am II 7.5 455 Super Duty V8 is also the strongest on torque (536 Nm). On paper, it tips the scales at 1,746 kg and offers 168 PS per tonne.
Dimensions drawing
To scale · width without mirrors
Zoom in to read the measurements - or see the table below.
grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 7,457 cm³ 7.5 l · 455 cu in |
| Cylinders | 8 |
| Power | 216 kW 294 PS · 290 hp |
| Torque | 536 Nm 395 lb-ft |
| Drive | Rear-wheel drive |
Dimensions and weight
| Kerb weight | 1,746 kg 3,849 lb |
|---|
Production
| Body type | Coupe |
|---|---|
| Years | 1973–1974 |
| Generation | Trans Am II (1970–1981) |
Compare size All Trans Am II versions All Pontiac spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 9 of 25 fields · 1 source · data changed 23 Oct 2026