2005 Opel Signum vs. 2006 Smart ForTwo
To start off, 2006 Smart ForTwo is newer by 1 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 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (175 HP @ 4000 RPM) has 115 more horse power than 2006 Smart ForTwo. (60 HP @ 5250 RPM). In normal driving conditions, 2005 Opel Signum should accelerate faster than 2006 Smart ForTwo. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 855 kg more than 2006 Smart ForTwo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Smart ForTwo 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 2006 Smart ForTwo. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (370 Nm @ 1900 RPM) has 275 more torque (in Nm) than 2006 Smart ForTwo. (95 Nm @ 2000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart ForTwo.
Compare all specifications:
| 2005 Opel Signum | 2006 Smart ForTwo | |
| Make | Opel | Smart |
| Model | Signum | ForTwo |
| Year Released | 2005 | 2006 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2958 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 60 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 370 Nm | 95 Nm |
| Torque RPM | 1900 RPM | 2000 RPM |
| Engine Bore Size | 87.5 mm | 66.5 mm |
| Engine Stroke Size | 82 mm | 67 mm |
| Engine Compression Ratio | 18.5:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 221 km/hour | 135 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 15.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1670 kg | 815 kg |
| Vehicle Length | 4640 mm | 2510 mm |
| Vehicle Width | 1800 mm | 1540 mm |
| Vehicle Height | 1470 mm | 1560 mm |
| Wheelbase Size | 2620 mm | 1820 mm |
| Fuel Consumption Overall | 7.6 L/100km | 4.7 L/100km |
| Fuel Tank Capacity | 60 L | 33 L |
