1999 Jeep Grand Cherokee vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 12 year(s). Which means there will be less support and parts availability for 1999 Jeep Grand Cherokee. In addition, the cost of maintenance, including insurance, on 1999 Jeep Grand Cherokee would be higher. At 3,800 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (385 HP @ 6500 RPM) has 247 more horse power than 1999 Jeep Grand Cherokee. (138 HP @ 3600 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 1999 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 1999 Jeep Grand Cherokee weights approximately 310 kg more than 2011 Porsche 911.
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, 2011 Porsche 911 (420 Nm @ 4400 RPM) has 36 more torque (in Nm) than 1999 Jeep Grand Cherokee. (384 Nm @ 1800 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Jeep Grand Cherokee. 1999 Jeep Grand Cherokee has automatic transmission and 2011 Porsche 911 has manual transmission. 2011 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Jeep Grand Cherokee | 2011 Porsche 911 | |
| Make | Jeep | Porsche |
| Model | Grand Cherokee | 911 |
| Year Released | 1999 | 2011 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3125 cc | 3800 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 138 HP | 385 HP |
| Engine RPM | 3600 RPM | 6500 RPM |
| Torque | 384 Nm | 420 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1850 kg | 1540 kg |
| Vehicle Length | 4620 mm | 4460 mm |
| Vehicle Width | 1850 mm | 1852 mm |
| Vehicle Height | 1770 mm | 1300 mm |
| Wheelbase Size | 2700 mm | 2350 mm |
