2004 Isuzu Ascender vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Isuzu Ascender. In addition, the cost of maintenance, including insurance, on 2004 Isuzu Ascender would be higher. At 4,195 cc (6 cylinders), 2004 Isuzu Ascender is equipped with a bigger engine. In terms of performance, 2004 Isuzu Ascender (271 HP @ 6000 RPM) has 172 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2004 Isuzu Ascender should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Isuzu Ascender weights approximately 575 kg more than 2005 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Isuzu Ascender is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2004 Isuzu Ascender 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, 2004 Isuzu Ascender (373 Nm @ 3600 RPM) has 143 more torque (in Nm) than 2005 Opel Signum. (230 Nm @ 1500 RPM). This means 2004 Isuzu Ascender will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 2004 Isuzu Ascender has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Isuzu Ascender will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Isuzu Ascender | 2005 Opel Signum | |
| Make | Isuzu | Opel |
| Model | Ascender | Signum |
| Year Released | 2004 | 2005 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 99 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 373 Nm | 230 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2170 kg | 1595 kg |
| Vehicle Length | 5280 mm | 4640 mm |
| Vehicle Width | 1940 mm | 1800 mm |
| Vehicle Height | 1920 mm | 1470 mm |
| Wheelbase Size | 3280 mm | 2740 mm |
