2005 GMC Sierra vs. 1992 Porsche 928
To start off, 2005 GMC Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1992 Porsche 928. In addition, the cost of maintenance, including insurance, on 1992 Porsche 928 would be higher. At 5,964 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 1992 Porsche 928 (346 HP @ 5700 RPM) has 6 more horse power than 2005 GMC Sierra. (340 HP @ 5200 RPM) In normal driving conditions, 1992 Porsche 928 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 725 kg more than 1992 Porsche 928.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1992 Porsche 928. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (516 Nm @ 4000 RPM) has 16 more torque (in Nm) than 1992 Porsche 928. (500 Nm @ 4250 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1992 Porsche 928. 2005 GMC Sierra has automatic transmission and 1992 Porsche 928 has manual transmission. 1992 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 1992 Porsche 928 | |
| Make | GMC | Porsche |
| Model | Sierra | 928 |
| Year Released | 2005 | 1992 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 5396 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 340 HP | 346 HP |
| Engine RPM | 5200 RPM | 5700 RPM |
| Torque | 516 Nm | 500 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Engine Bore Size | 102 mm | 100 mm |
| Engine Stroke Size | 92 mm | 85.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2345 kg | 1620 kg |
| Vehicle Length | 5740 mm | 4450 mm |
| Vehicle Width | 2000 mm | 1840 mm |
| Vehicle Height | 1910 mm | 1320 mm |
| Wheelbase Size | 3650 mm | 2510 mm |
