Pontiac Trans Am II 6.6 Coupe
257 kW349 PS345 hp1970
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- Power
- 257 kW 349 PS · 345 hp
- Displacement
- 6,555 cm³
A 6.6-litre eight-cylinder petrol engine with 257 kW (349 PS) powers the Pontiac Trans Am II 6.6 400 Ram Air IV V8 (SAE gross) coupe. In the Trans Am II 6.6 400 Ram Air IV V8 (SAE gross), power goes to the rear wheels.
No other version of the Trans Am II matches its output among 5 versions - that is 72% more than the entry 6.6 T/A V8 (149 kW).
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 | 6,555 cm³ 6.6 l · 400 cu in |
| Cylinders | 8 |
| Power | 257 kW 349 PS · 345 hp |
| Drive | Rear-wheel drive |
Production
| Body type | Coupe |
|---|---|
| Years | 1970 |
| 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: 7 of 25 fields · 1 source · data changed 20 Oct 2026