2005 GMC Sierra vs. 1978 Porsche 911
To start off, 2005 GMC Sierra is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Porsche 911. In addition, the cost of maintenance, including insurance, on 1978 Porsche 911 would be higher. At 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (295 HP) has 110 more horse power than 1978 Porsche 911. (185 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1978 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1135 kg more than 1978 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2005 GMC Sierra (454 Nm) has 189 more torque (in Nm) than 1978 Porsche 911. (265 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 911.
Compare all specifications:
| 2005 GMC Sierra | 1978 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2005 | 1978 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5359 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 185 HP |
| Torque | 454 Nm | 265 Nm |
| Engine Compression Ratio | 9.5:1 | 8.5:1 |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2315 kg | 1180 kg |
| Vehicle Length | 5850 mm | 4300 mm |
| Vehicle Width | 2000 mm | 1660 mm |
| Vehicle Height | 1810 mm | 1330 mm |
| Wheelbase Size | 3650 mm | 2280 mm |
| Fuel Tank Capacity | 98 L | 80 L |
