2005 Opel Signum vs. 2003 Toyota Allion
To start off, 2005 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Toyota Allion. In addition, the cost of maintenance, including insurance, on 2003 Toyota Allion would be higher. At 1,908 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (173 HP @ 5500 RPM) has 59 more horse power than 2003 Toyota Allion. (114 HP @ 6000 RPM). In normal driving conditions, 2005 Opel Signum should accelerate faster than 2003 Toyota Allion. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 420 kg more than 2003 Toyota Allion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Opel Signum (265 Nm @ 2500 RPM) has 115 more torque (in Nm) than 2003 Toyota Allion. (150 Nm @ 4200 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Toyota Allion. 2003 Toyota Allion 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. 2003 Toyota Allion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 2003 Toyota Allion | |
| Make | Opel | Toyota |
| Model | Signum | Allion |
| Year Released | 2005 | 2003 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 1497 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 114 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 265 Nm | 150 Nm |
| Torque RPM | 2500 RPM | 4200 RPM |
| Engine Bore Size | 86 mm | 75 mm |
| Engine Stroke Size | 86 mm | 84.7 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1140 kg |
| Vehicle Length | 4640 mm | 4560 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
