2003 BMW X Activity vs. 2003 Smart Roadster
To start off, both 2003 BMW X Activity and 2003 Smart Roadster were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,992 cc (6 cylinders), 2003 BMW X Activity is equipped with a bigger engine. In terms of performance, 2003 BMW X Activity (228 HP @ 5900 RPM) has 147 more horse power than 2003 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 2003 BMW X Activity should accelerate faster than 2003 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X Activity weights approximately 745 kg more than 2003 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X Activity is four wheel drive (4WD), it will have significant more traction and grip than 2003 Smart Roadster. In wet, icy, snow, or gravel driving conditions, 2003 BMW X Activity 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, 2003 BMW X Activity (300 Nm @ 3500 RPM) has 190 more torque (in Nm) than 2003 Smart Roadster. (110 Nm @ 2250 RPM). This means 2003 BMW X Activity will have an easier job in driving up hills or pulling heavy equipment than 2003 Smart Roadster.
Compare all specifications:
| 2003 BMW X Activity | 2003 Smart Roadster | |
| Make | BMW | Smart |
| Model | X Activity | Roadster |
| Year Released | 2003 | 2003 |
| Engine Position | Front | Rear |
| Engine Size | 2992 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 81 HP |
| Engine RPM | 5900 RPM | 5250 RPM |
| Torque | 300 Nm | 110 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Engine Bore Size | 84 mm | 66.5 mm |
| Engine Stroke Size | 89.6 mm | 67 mm |
| Engine Compression Ratio | 10.2:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1630 kg | 885 kg |
| Vehicle Length | 4560 mm | 3430 mm |
| Wheelbase Size | 2830 mm | 2370 mm |
