2005 BMW X5 vs. 2008 Smart Roadster
To start off, 2008 Smart Roadster is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Smart Roadster. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 410 more torque (in Nm) than 2008 Smart Roadster. (110 Nm @ 3000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Smart Roadster. 2008 Smart Roadster has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Smart Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2008 Smart Roadster | |
| Make | BMW | Smart |
| Model | X5 | Roadster |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2926 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 0 HP |
| Torque | 520 Nm | 110 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 210 km/hour | 175 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 10.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4670 mm | 3430 mm |
| Vehicle Width | 1880 mm | 1620 mm |
| Vehicle Height | 1720 mm | 1200 mm |
| Wheelbase Size | 2830 mm | 2370 mm |
| Fuel Consumption Overall | 8.6 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 93 L | 35 L |
