Pontiac GTO 455 I 7.5 HO V8 Coupe
268 kW364 PS359 hp678 Nm1970
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- Power
- 268 kW 364 PS · 359 hp
- Torque
- 678 Nm 500 lb-ft
- Length
- 5,093 mm
- Displacement
- 7,500 cm³
The Pontiac GTO 455 I 7.5 455 HO V8 produces 268 kW (364 PS) and 678 Nm of torque from a 7.5-litre eight-cylinder petrol engine and comes as a coupe.
No other version of the GTO 455 I matches its output among 4 versions - that is 44% more than the entry 7.5 455 V8 (SAE net) (186 kW). On top of that, it is the strongest on torque (678 Nm).
GTO 455 I 7.5 455 HO V8: measurable strengths
- Most powerful version of the GTO 455 I: 268 kW (364 PS)
- Most torque in the range: 678 Nm
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 7,500 cm³ 7.5 l · 458 cu in |
| Cylinders | 8 |
| Power | 268 kW 364 PS · 359 hp |
| Torque | 678 Nm 500 lb-ft |
Dimensions and weight
| Length | 5,093 mm 200.5 in |
|---|---|
| Wheelbase | 2,845 mm 112.0 in |
Production
| Body type | Coupe |
|---|---|
| Years | 1970 |
| Generation | GTO 455 I (1970–1972) |
All GTO 455 I 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 12 Oct 2026