2007 Jeep Grand Cherokee vs. 1981 Porsche 944
To start off, 2007 Jeep Grand Cherokee is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Porsche 944. In addition, the cost of maintenance, including insurance, on 1981 Porsche 944 would be higher. At 4,701 cc (8 cylinders), 2007 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2007 Jeep Grand Cherokee (235 HP @ 4500 RPM) has 90 more horse power than 1981 Porsche 944. (145 HP @ 5800 RPM). In normal driving conditions, 2007 Jeep Grand Cherokee should accelerate faster than 1981 Porsche 944. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Grand Cherokee weights approximately 335 kg more than 1981 Porsche 944. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 1981 Porsche 944. In wet, icy, snow, or gravel driving conditions, 2007 Jeep Grand Cherokee 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, 2007 Jeep Grand Cherokee (414 Nm @ 3600 RPM) has 219 more torque (in Nm) than 1981 Porsche 944. (195 Nm @ 3000 RPM). This means 2007 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 944.
Compare all specifications:
| 2007 Jeep Grand Cherokee | 1981 Porsche 944 | |
| Make | Jeep | Porsche |
| Model | Grand Cherokee | 944 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4701 cc | 2479 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 235 HP | 145 HP |
| Engine RPM | 4500 RPM | 5800 RPM |
| Torque | 414 Nm | 195 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 86.7 mm | 78.9 mm |
| Engine Compression Ratio | 9.0:1 | 9.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1680 kg | 1345 kg |
| Vehicle Length | 4750 mm | 4300 mm |
| Vehicle Width | 1870 mm | 1740 mm |
| Vehicle Height | 1730 mm | 1280 mm |
| Wheelbase Size | 2790 mm | 2410 mm |
