2007 GMC Sierra vs. 1998 Porsche 993
To start off, 2007 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Porsche 993. In addition, the cost of maintenance, including insurance, on 1998 Porsche 993 would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 1998 Porsche 993 (395 HP @ 5750 RPM) has 83 more horse power than 2007 GMC Sierra. (312 HP @ 4400 RPM) In normal driving conditions, 1998 Porsche 993 should accelerate faster than 2007 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1178 kg more than 1998 Porsche 993.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 1998 Porsche 993 (542 Nm @ 4500 RPM) has 36 more torque (in Nm) than 2007 GMC Sierra. (506 Nm @ 4400 RPM). This means 1998 Porsche 993 will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra. 2007 GMC Sierra has automatic transmission and 1998 Porsche 993 has manual transmission. 1998 Porsche 993 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 | 1998 Porsche 993 | |
| Make | GMC | Porsche |
| Model | Sierra | 993 |
| Year Released | 2007 | 1998 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 5999 cc | 3598 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 312 HP | 395 HP |
| Engine RPM | 4400 RPM | 5750 RPM |
| Torque | 506 Nm | 542 Nm |
| Torque RPM | 4400 RPM | 4500 RPM |
| Engine Bore Size | 102 mm | 100 mm |
| Engine Stroke Size | 92 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2678 kg | 1500 kg |
| Vehicle Length | 5720 mm | 4270 mm |
| Vehicle Width | 2440 mm | 1740 mm |
| Vehicle Height | 1930 mm | 1320 mm |
| Wheelbase Size | 3380 mm | 2280 mm |
