2006 Opel Signum vs. 2005 Smart Roadster
To start off, 2006 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2005 Smart Roadster would be higher. At 1,910 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (118 HP @ 4000 RPM) has 18 more horse power than 2005 Smart Roadster. (100 HP @ 5250 RPM). In normal driving conditions, 2006 Opel Signum should accelerate faster than 2005 Smart Roadster.
Because 2005 Smart Roadster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Smart Roadster. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Opel Signum (281 Nm @ 2000 RPM) has 151 more torque (in Nm) than 2005 Smart Roadster. (130 Nm @ 2500 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart Roadster.
Compare all specifications:
| 2006 Opel Signum | 2005 Smart Roadster | |
| Make | Opel | Smart |
| Model | Signum | Roadster |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 1910 cc | 698 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 118 HP | 100 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 281 Nm | 130 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 66.5 mm |
| Engine Stroke Size | 90.4 mm | 67 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 191 km/hour | 190 km/hour |
| Acceleration 0-100mph | 12.2 seconds | 9.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4640 mm | 3430 mm |
| Vehicle Width | 1800 mm | 1620 mm |
| Vehicle Height | 1470 mm | 1200 mm |
| Wheelbase Size | 2840 mm | 2370 mm |
| Fuel Consumption Overall | 6 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 60 L | 35 L |
