2003 Porsche Cayenne vs. 1990 Pontiac Grand Am
To start off, 2003 Porsche Cayenne is newer by 13 year(s). Which means there will be less support and parts availability for 1990 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1990 Pontiac Grand Am would be higher. At 4,511 cc (8 cylinders), 2003 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2003 Porsche Cayenne (335 HP @ 6000 RPM) has 172 more horse power than 1990 Pontiac Grand Am. (163 HP @ 5600 RPM). In normal driving conditions, 2003 Porsche Cayenne should accelerate faster than 1990 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 1087 kg more than 1990 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1990 Pontiac Grand Am. In wet, icy, snow, or gravel driving conditions, 2003 Porsche Cayenne 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, 2003 Porsche Cayenne (420 Nm @ 2500 RPM) has 183 more torque (in Nm) than 1990 Pontiac Grand Am. (237 Nm @ 4000 RPM). This means 2003 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1990 Pontiac Grand Am. 1990 Pontiac Grand Am has automatic transmission and 2003 Porsche Cayenne has manual transmission. 2003 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Pontiac Grand Am will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Porsche Cayenne | 1990 Pontiac Grand Am | |
| Make | Porsche | Pontiac |
| Model | Cayenne | Grand Am |
| Year Released | 2003 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4511 cc | 1996 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 163 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 420 Nm | 237 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 83 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2322 kg | 1235 kg |
| Vehicle Length | 4790 mm | 4520 mm |
| Vehicle Width | 1930 mm | 1710 mm |
| Vehicle Height | 1710 mm | 1340 mm |
| Wheelbase Size | 2860 mm | 2630 mm |
| Fuel Tank Capacity | 100 L | 69 L |
