2005 Opel Signum vs. 2007 Proton Gen
To start off, 2007 Proton Gen is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Proton Gen (109 HP @ 6000 RPM) has 10 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2007 Proton Gen should accelerate faster than 2005 Opel Signum.
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 (230 Nm @ 1500 RPM) has 82 more torque (in Nm) than 2007 Proton Gen. (148 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Proton Gen. 2007 Proton Gen 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. 2007 Proton Gen will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 2007 Proton Gen | |
| Make | Opel | Proton |
| Model | Signum | Gen |
| Year Released | 2005 | 2007 |
| Engine Size | 1993 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 109 HP |
| Engine RPM | 3120 RPM | 6000 RPM |
| Torque | 230 Nm | 148 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 76 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 185 km/hour | 185 km/hour |
| Acceleration 0-100mph | 14 seconds | 13 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4640 mm | 4320 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2740 mm | 2610 mm |
| Fuel Consumption Overall | 5.9 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 60 L | 40 L |
