2007 Jeep Commander vs. 2001 Opel Signum
To start off, 2007 Jeep Commander is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 4,701 cc (8 cylinders), 2007 Jeep Commander is equipped with a bigger engine. In terms of performance, 2007 Jeep Commander (228 HP @ 4500 RPM) has 84 more horse power than 2001 Opel Signum. (144 HP @ 4000 RPM). In normal driving conditions, 2007 Jeep Commander should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Commander weights approximately 1012 kg more than 2001 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jeep Commander is four wheel drive (4WD), it will have significant more traction and grip than 2001 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 Jeep Commander 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 Commander (410 Nm @ 3600 RPM) has 190 more torque (in Nm) than 2001 Opel Signum. (220 Nm @ 2000 RPM). This means 2007 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum. 2007 Jeep Commander has automatic transmission and 2001 Opel Signum has manual transmission. 2001 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jeep Commander will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jeep Commander | 2001 Opel Signum | |
| Make | Jeep | Opel |
| Model | Commander | Signum |
| Year Released | 2007 | 2001 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4701 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 228 HP | 144 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 410 Nm | 220 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Top Speed | 184 km/hour | 209 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 10.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2410 kg | 1398 kg |
| Vehicle Length | 4790 mm | 4640 mm |
| Vehicle Height | 1830 mm | 1470 mm |
| Wheelbase Size | 2790 mm | 2850 mm |
| Fuel Tank Capacity | 78 L | 60 L |
