2005 GMC Sierra vs. 1986 Porsche 928
To start off, 2005 GMC Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Porsche 928. In addition, the cost of maintenance, including insurance, on 1986 Porsche 928 would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 15 more horse power than 1986 Porsche 928. (306 HP @ 5900 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1986 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 734 kg more than 1986 Porsche 928. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1986 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, 1986 Porsche 928 (408 Nm @ 4100 RPM) has 38 more torque (in Nm) than 2005 GMC Sierra. (370 Nm @ 4000 RPM). This means 1986 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 1986 Porsche 928 | |
| Make | GMC | Porsche |
| Model | Sierra | 928 |
| Year Released | 2005 | 1986 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 306 HP |
| Engine RPM | 5000 RPM | 5900 RPM |
| Torque | 370 Nm | 408 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1536 kg |
| Vehicle Length | 5790 mm | 4450 mm |
| Vehicle Width | 2000 mm | 1840 mm |
| Vehicle Height | 1850 mm | 1290 mm |
| Wheelbase Size | 3650 mm | 2510 mm |
| Fuel Tank Capacity | 117 L | 76 L |
