2003 Smart Roadster vs. 2013 BMW X3
To start off, 2013 BMW X3 is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2003 Smart Roadster would be higher. At 1,997 cc (4 cylinders), 2013 BMW X3 is equipped with a bigger engine. In terms of performance, 2013 BMW X3 (237 HP @ 5000 RPM) has 156 more horse power than 2003 Smart Roadster. (81 HP @ 5250 RPM) In normal driving conditions, 2013 BMW X3 should accelerate faster than 2003 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X3 weights approximately 980 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 2013 BMW X3 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Smart Roadster. In wet, icy, snow, or gravel driving conditions, 2013 BMW X3 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, 2013 BMW X3 (353 Nm @ 4800 RPM) has 243 more torque (in Nm) than 2003 Smart Roadster. (110 Nm @ 2250 RPM). This means 2013 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Smart Roadster. 2013 BMW X3 has automatic transmission and 2003 Smart Roadster has manual transmission. 2003 Smart Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Smart Roadster | 2013 BMW X3 | |
| Make | Smart | BMW |
| Model | Roadster | X3 |
| Year Released | 2003 | 2013 |
| Body Type | Coupe | SUV |
| Engine Position | Rear | Front |
| Engine Size | 698 cc | 1997 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 81 HP | 237 HP |
| Engine RPM | 5250 RPM | 5000 RPM |
| Torque | 110 Nm | 353 Nm |
| Torque RPM | 2250 RPM | 4800 RPM |
| Engine Bore Size | 66.5 mm | 84 mm |
| Engine Stroke Size | 67 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 885 kg | 1865 kg |
| Vehicle Length | 3430 mm | 4648 mm |
| Vehicle Width | 1620 mm | 2098 mm |
| Vehicle Height | 1200 mm | 1661 mm |
| Wheelbase Size | 2370 mm | 2810 mm |
