1991 Porsche 965 vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Porsche 965. In addition, the cost of maintenance, including insurance, on 1991 Porsche 965 would be higher. At 4,800 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 1991 Porsche 965 (317 HP @ 5750 RPM) has 15 more horse power than 2010 GMC Sierra. (302 HP @ 5600 RPM). In normal driving conditions, 1991 Porsche 965 should accelerate faster than 2010 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 853 kg more than 1991 Porsche 965.
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, 1991 Porsche 965 (459 Nm @ 4500 RPM) has 46 more torque (in Nm) than 2010 GMC Sierra. (413 Nm @ 4600 RPM). This means 1991 Porsche 965 will have an easier job in driving up hills or pulling heavy equipment than 2010 GMC Sierra. 2010 GMC Sierra has automatic transmission and 1991 Porsche 965 has manual transmission. 1991 Porsche 965 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Porsche 965 | 2010 GMC Sierra | |
| Make | Porsche | GMC |
| Model | 965 | Sierra |
| Year Released | 1991 | 2010 |
| Engine Position | Rear | Front |
| Engine Size | 3299 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 317 HP | 302 HP |
| Engine RPM | 5750 RPM | 5600 RPM |
| Torque | 459 Nm | 413 Nm |
| Torque RPM | 4500 RPM | 4600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1465 kg | 2318 kg |
| Vehicle Length | 4260 mm | 5847 mm |
| Vehicle Width | 1760 mm | 2032 mm |
| Vehicle Height | 1310 mm | 1875 mm |
| Wheelbase Size | 2270 mm | 3645 mm |
