2007 GMC Sierra vs. 1973 Porsche 911
To start off, 2007 GMC Sierra is newer by 34 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 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (312 HP @ 4400 RPM) has 86 more horse power than 1973 Porsche 911. (226 HP @ 6200 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1535 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.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1973 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (506 Nm @ 4400 RPM) has 231 more torque (in Nm) than 1973 Porsche 911. (275 Nm @ 5000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911. 2007 GMC Sierra has automatic transmission and 1973 Porsche 911 has manual transmission. 1973 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 1973 Porsche 911 | |
| Make | GMC | Porsche |
| Model | Sierra | 911 |
| Year Released | 2007 | 1973 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5999 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 312 HP | 226 HP |
| Engine RPM | 4400 RPM | 6200 RPM |
| Torque | 506 Nm | 275 Nm |
| Torque RPM | 4400 RPM | 5000 RPM |
| Engine Bore Size | 102 mm | 95 mm |
| Engine Stroke Size | 92 mm | 70.4 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2435 kg | 900 kg |
| Vehicle Length | 6580 mm | 4130 mm |
| Vehicle Width | 2440 mm | 1690 mm |
| Vehicle Height | 1940 mm | 1330 mm |
| Wheelbase Size | 4250 mm | 2270 mm |
| Fuel Tank Capacity | 129 L | 80 L |
