2004 GMC Envoy vs. 1979 Pontiac Trans Am
To start off, 2004 GMC Envoy is newer by 25 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, 2004 GMC Envoy (271 HP) has 51 more horse power than 1979 Pontiac Trans Am. (220 HP). In normal driving conditions, 2004 GMC Envoy should accelerate faster than 1979 Pontiac Trans Am.
Because 2004 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, 2004 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, 1979 Pontiac Trans Am (434 Nm) has 60 more torque (in Nm) than 2004 GMC Envoy. (374 Nm). This means 1979 Pontiac Trans Am will have an easier job in driving up hills or pulling heavy equipment than 2004 GMC Envoy. 2004 GMC Envoy has automatic transmission and 1979 Pontiac Trans Am has manual transmission. 1979 Pontiac Trans Am will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 GMC Envoy will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 GMC Envoy | 1979 Pontiac Trans Am | |
| Make | GMC | Pontiac |
| Model | Envoy | Trans Am |
| Year Released | 2004 | 1979 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4160 cc | 6555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 271 HP | 220 HP |
| Torque | 374 Nm | 434 Nm |
| Engine Bore Size | 93 mm | 104.7 mm |
| Engine Stroke Size | 102 mm | 95.3 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4870 mm | 5040 mm |
| Vehicle Width | 1840 mm | 1860 mm |
| Vehicle Height | 1780 mm | 1260 mm |
| Wheelbase Size | 2880 mm | 2750 mm |
