2006 Smart Roadster vs. 2011 Alpina B7
To start off, 2011 Alpina B7 is newer by 5 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 4,400 cc (8 cylinders), 2011 Alpina B7 is equipped with a bigger engine. In terms of performance, 2011 Alpina B7 (500 HP @ 5500 RPM) has 419 more horse power than 2006 Smart Roadster. (81 HP @ 5250 RPM) In normal driving conditions, 2011 Alpina B7 should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B7 weights approximately 1275 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 2011 Alpina B7 is all wheel drive (AWD), it will have significant more traction and grip than 2006 Smart Roadster. In wet, icy, snow, or gravel driving conditions, 2011 Alpina B7 will offer significantly more control. 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, 2011 Alpina B7 (699 Nm @ 3000 RPM) has 589 more torque (in Nm) than 2006 Smart Roadster. (110 Nm @ 3000 RPM). This means 2011 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster.
Compare all specifications:
| 2006 Smart Roadster | 2011 Alpina B7 | |
| Make | Smart | Alpina |
| Model | Roadster | B7 |
| Year Released | 2006 | 2011 |
| Body Type | Roadster | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 698 cc | 4400 cc |
| Engine Cylinders | 3 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 81 HP | 500 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 110 Nm | 699 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 865 kg | 2140 kg |
| Vehicle Length | 3430 mm | 5085 mm |
| Vehicle Width | 1620 mm | 1902 mm |
| Vehicle Height | 1200 mm | 1483 mm |
| Wheelbase Size | 2370 mm | 3071 mm |
| Fuel Tank Capacity | 35 L | 82 L |
