2003 GMC Envoy vs. 1991 Porsche 911
To start off, 2003 GMC Envoy is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Porsche 911. In addition, the cost of maintenance, including insurance, on 1991 Porsche 911 would be higher. At 4,158 cc (6 cylinders), 2003 GMC Envoy is equipped with a bigger engine. In terms of performance, 2003 GMC Envoy (271 HP @ 6000 RPM) has 43 more horse power than 1991 Porsche 911. (228 HP @ 5900 RPM). In normal driving conditions, 2003 GMC Envoy should accelerate faster than 1991 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Envoy weights approximately 835 kg more than 1991 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 GMC Envoy (373 Nm @ 3600 RPM) has 87 more torque (in Nm) than 1991 Porsche 911. (286 Nm @ 4800 RPM). This means 2003 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 911.
Compare all specifications:
| 2003 GMC Envoy | 1991 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Envoy | 911 |
| Year Released | 2003 | 1991 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 4158 cc | 3163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 271 HP | 228 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 373 Nm | 286 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2010 kg | 1175 kg |
| Vehicle Length | 4870 mm | 4300 mm |
| Vehicle Width | 1840 mm | 1660 mm |
| Vehicle Height | 1780 mm | 1260 mm |
