2005 GMC Envoy vs. 1979 Pontiac Trans Am
To start off, 2005 GMC Envoy is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Pontiac Trans Am. In addition, the cost of maintenance, including insurance, on 1979 Pontiac Trans Am would be higher. At 6,555 cc (8 cylinders), 1979 Pontiac Trans Am is equipped with a bigger engine. In terms of performance, 2005 GMC Envoy (300 HP) has 80 more horse power than 1979 Pontiac Trans Am. (220 HP). In normal driving conditions, 2005 GMC Envoy should accelerate faster than 1979 Pontiac Trans Am.
Because 2005 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1979 Pontiac Trans Am. In wet, icy, snow, or gravel driving conditions, 2005 GMC Envoy will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 GMC Envoy (447 Nm) has 13 more torque (in Nm) than 1979 Pontiac Trans Am. (434 Nm). This means 2005 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1979 Pontiac Trans Am.
Compare all specifications:
| 2005 GMC Envoy | 1979 Pontiac Trans Am | |
| Make | GMC | Pontiac |
| Model | Envoy | Trans Am |
| Year Released | 2005 | 1979 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5357 cc | 6555 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 300 HP | 220 HP |
| Torque | 447 Nm | 434 Nm |
| Engine Compression Ratio | 9.5:1 | 8.1:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5280 mm | 5040 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1920 mm | 1260 mm |
| Wheelbase Size | 3280 mm | 2750 mm |
