2007 Jeep Grand Cherokee vs. 1981 Porsche 928
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 928. In addition, the cost of maintenance, including insurance, on 1981 Porsche 928 would be higher. At 6,059 cc (8 cylinders), 2007 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2007 Jeep Grand Cherokee (420 HP @ 6200 RPM) has 182 more horse power than 1981 Porsche 928. (238 HP @ 5250 RPM). In normal driving conditions, 2007 Jeep Grand Cherokee should accelerate faster than 1981 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Grand Cherokee weights approximately 776 kg more than 1981 Porsche 928. 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 928. 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 (570 Nm @ 4800 RPM) has 214 more torque (in Nm) than 1981 Porsche 928. (356 Nm @ 3600 RPM). This means 2007 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 928. 2007 Jeep Grand Cherokee has automatic transmission and 1981 Porsche 928 has manual transmission. 1981 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jeep Grand Cherokee | 1981 Porsche 928 | |
| Make | Jeep | Porsche |
| Model | Grand Cherokee | 928 |
| Year Released | 2007 | 1981 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6059 cc | 4472 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 420 HP | 238 HP |
| Engine RPM | 6200 RPM | 5250 RPM |
| Torque | 570 Nm | 356 Nm |
| Torque RPM | 4800 RPM | 3600 RPM |
| Engine Bore Size | 103 mm | 95 mm |
| Engine Stroke Size | 90.9 mm | 78.9 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 229 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2226 kg | 1450 kg |
| Vehicle Length | 4960 mm | 4450 mm |
| Vehicle Width | 1870 mm | 1840 mm |
| Vehicle Height | 1700 mm | 1320 mm |
| Wheelbase Size | 2790 mm | 2510 mm |
| Fuel Tank Capacity | 80 L | 85 L |
