2006 GMC Envoy vs. 2003 Porsche 911
To start off, 2006 GMC Envoy is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 5,358 cc (8 cylinders), 2006 GMC Envoy is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 143 more horse power than 2006 GMC Envoy. (300 HP @ 5200 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2006 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 775 kg more than 2003 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2003 Porsche 911 (621 Nm @ 2700 RPM) has 174 more torque (in Nm) than 2006 GMC Envoy. (447 Nm @ 4000 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Envoy.
Compare all specifications:
| 2006 GMC Envoy | 2003 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Envoy | 911 |
| Year Released | 2006 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 5358 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 300 HP | 443 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 447 Nm | 621 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 96 mm | 100 mm |
| Engine Stroke Size | 92 mm | 76.4 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2435 kg | 1660 kg |
| Vehicle Length | 5280 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1840 mm |
| Vehicle Height | 1920 mm | 1300 mm |
| Wheelbase Size | 3280 mm | 2360 mm |
| Fuel Consumption Highway | 11.8 L/100km | 9.7 L/100km |
| Fuel Consumption City | 15.7 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 95 L | 64 L |
