2005 GMC Sierra vs. 2006 Porsche 911
To start off, 2006 Porsche 911 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (350 HP) has 65 more horse power than 2005 GMC Sierra. (285 HP) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 757 kg more than 2006 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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2006 Porsche 911 has automatic transmission and 2005 GMC Sierra has manual transmission. 2005 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 2006 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 2006 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4802 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 285 HP | 350 HP |
| Torque | 400 Nm | 400 Nm |
| Engine Bore Size | 96.1 mm | 99 mm |
| Engine Stroke Size | 83 mm | 82.8 mm |
| Engine Compression Ratio | 9.5:1 | 11.8:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2317 kg | 1560 kg |
| Vehicle Length | 5710 mm | 4430 mm |
| Vehicle Width | 2000 mm | 1860 mm |
| Vehicle Height | 1880 mm | 1310 mm |
| Wheelbase Size | 3380 mm | 2360 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.1 L/100km |
| Fuel Consumption City | 14.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 129 L | 67 L |
