2008 GMC Sierra vs. 1990 Porsche 928
To start off, 2008 GMC Sierra is newer by 18 year(s). Which means there will be less support and parts availability for 1990 Porsche 928. In addition, the cost of maintenance, including insurance, on 1990 Porsche 928 would be higher. At 6,199 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (403 HP @ 5700 RPM) has 97 more horse power than 1990 Porsche 928. (306 HP @ 5900 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1990 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 611 kg more than 1990 Porsche 928. 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, 2008 GMC Sierra (565 Nm @ 4300 RPM) has 157 more torque (in Nm) than 1990 Porsche 928. (408 Nm @ 4100 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1990 Porsche 928.
Compare all specifications:
| 2008 GMC Sierra | 1990 Porsche 928 | |
| Make | GMC | Porsche |
| Model | Sierra | 928 |
| Year Released | 2008 | 1990 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6199 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 403 HP | 306 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 565 Nm | 408 Nm |
| Torque RPM | 4300 RPM | 4100 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2141 kg | 1530 kg |
| Vehicle Length | 5850 mm | 4450 mm |
| Vehicle Width | 2040 mm | 1840 mm |
| Vehicle Height | 1880 mm | 1290 mm |
| Wheelbase Size | 3650 mm | 2510 mm |
| Fuel Tank Capacity | 98 L | 76 L |
