2002 GMC Sierra vs. 1973 Porsche 911
To start off, 2002 GMC Sierra is newer by 29 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 5,967 cc (8 cylinders), 2002 GMC Sierra is equipped with a bigger engine. In terms of performance, 2002 GMC Sierra (321 HP @ 5000 RPM) has 113 more horse power than 1973 Porsche 911. (208 HP @ 6300 RPM). In normal driving conditions, 2002 GMC Sierra should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2002 GMC Sierra weights approximately 1320 kg more than 1973 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, 2002 GMC Sierra (371 Nm @ 4000 RPM) has 111 more torque (in Nm) than 1973 Porsche 911. (260 Nm @ 5100 RPM). This means 2002 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 2002 GMC Sierra | 1973 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2002 | 1973 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5967 cc | 2687 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 321 HP | 208 HP |
| Engine RPM | 5000 RPM | 6300 RPM |
| Torque | 371 Nm | 260 Nm |
| Torque RPM | 4000 RPM | 5100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 950 kg |
| Vehicle Length | 5790 mm | 4110 mm |
| Vehicle Width | 2000 mm | 1660 mm |
| Vehicle Height | 1850 mm | 1330 mm |
| Wheelbase Size | 3650 mm | 2280 mm |
