2008 GMC Envoy vs. 1973 Porsche 917
To start off, 2008 GMC Envoy is newer by 35 year(s). Which means there will be less support and parts availability for 1973 Porsche 917. In addition, the cost of maintenance, including insurance, on 1973 Porsche 917 would be higher. At 4,994 cc, 1973 Porsche 917 is equipped with a bigger engine. In terms of performance, 1973 Porsche 917 (520 HP) has 235 more horse power than 2008 GMC Envoy. (285 HP) In normal driving conditions, 1973 Porsche 917 should accelerate faster than 2008 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Envoy weights approximately 1638 kg more than 1973 Porsche 917.
Because 2008 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1973 Porsche 917. In wet, icy, snow, or gravel driving conditions, 2008 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, 1973 Porsche 917 (610 Nm) has 236 more torque (in Nm) than 2008 GMC Envoy. (374 Nm). This means 1973 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Envoy.
Compare all specifications:
| 2008 GMC Envoy | 1973 Porsche 917 | |
| Make | GMC | Porsche |
| Model | Envoy | 917 |
| Year Released | 2008 | 1973 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4161 cc | 4994 cc |
| Horse Power | 285 HP | 520 HP |
| Torque | 374 Nm | 610 Nm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2436 kg | 798 kg |
