2004 GMC Sierra vs. 1978 Porsche 911
To start off, 2004 GMC Sierra is newer by 26 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 5,965 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 115 more horse power than 1978 Porsche 911. (185 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 1978 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1550 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.
Because 2004 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1978 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2004 GMC Sierra 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, 2004 GMC Sierra (489 Nm) has 224 more torque (in Nm) than 1978 Porsche 911. (265 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 911.
Compare all specifications:
| 2004 GMC Sierra | 1978 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2004 | 1978 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5965 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 300 HP | 185 HP |
| Torque | 489 Nm | 265 Nm |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2730 kg | 1180 kg |
| Vehicle Length | 6030 mm | 4300 mm |
| Vehicle Width | 2030 mm | 1660 mm |
| Vehicle Height | 1940 mm | 1330 mm |
| Wheelbase Size | 4250 mm | 2280 mm |
| Fuel Tank Capacity | 129 L | 80 L |
