2004 Opel Signum vs. 2008 Smart Roadster
To start off, 2008 Smart Roadster is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine.
Because 2008 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 2008 Smart Roadster. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 155 more torque (in Nm) than 2008 Smart Roadster. (110 Nm @ 3000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Smart Roadster. 2008 Smart Roadster has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Smart Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2008 Smart Roadster | |
| Make | Opel | Smart |
| Model | Signum | Roadster |
| Year Released | 2004 | 2008 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 698 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 0 HP |
| Torque | 265 Nm | 110 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Compression Ratio | 9.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 220 km/hour | 175 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| 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 | 9.4 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 60 L | 35 L |
