2006 Smart Roadster vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 6 year(s). Which means there will be less support and parts availability for 2006 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2006 Smart Roadster would be higher. At 1,998 cc (4 cylinders), 2012 Opel Astra is equipped with a bigger engine. In terms of performance, 2012 Opel Astra (197 HP @ 5600 RPM) has 116 more horse power than 2006 Smart Roadster. (81 HP @ 5250 RPM) In normal driving conditions, 2012 Opel Astra should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2012 Opel Astra weights approximately 500 kg more than 2006 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 Smart Roadster. However, in wet, icy, snow, or gravel driving conditions, 2012 Opel Astra, 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, 2012 Opel Astra (262 Nm @ 4200 RPM) has 152 more torque (in Nm) than 2006 Smart Roadster. (110 Nm @ 3000 RPM). This means 2012 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster. 2006 Smart Roadster has automatic transmission and 2012 Opel Astra has manual transmission. 2012 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Smart Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Smart Roadster | 2012 Opel Astra | |
| Make | Smart | Opel |
| Model | Roadster | Astra |
| Year Released | 2006 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 698 cc | 1998 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 81 HP | 197 HP |
| Engine RPM | 5250 RPM | 5600 RPM |
| Torque | 110 Nm | 262 Nm |
| Torque RPM | 3000 RPM | 4200 RPM |
| Engine Bore Size | 66.5 mm | 86.1 mm |
| Engine Stroke Size | 67 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 10.9 seconds | 8.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 885 kg | 1385 kg |
| Vehicle Length | 3430 mm | 4260 mm |
| Vehicle Width | 1620 mm | 1760 mm |
| Vehicle Height | 1200 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2620 mm |
| Fuel Consumption Overall | 5.1 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 35 L | 52 L |
