2005 BMW 545 vs. 2001 Smart Roadster
To start off, 2005 BMW 545 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2001 Smart Roadster would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (326 HP @ 6100 RPM) has 245 more horse power than 2001 Smart Roadster. (81 HP @ 5250 RPM). In normal driving conditions, 2005 BMW 545 should accelerate faster than 2001 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 800 kg more than 2001 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 545 (450 Nm @ 3600 RPM) has 340 more torque (in Nm) than 2001 Smart Roadster. (110 Nm @ 2250 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2001 Smart Roadster.
Compare all specifications:
| 2005 BMW 545 | 2001 Smart Roadster | |
| Make | BMW | Smart |
| Model | 545 | Roadster |
| Year Released | 2005 | 2001 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 4390 cc | 698 cc |
| Engine Cylinders | 8 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 326 HP | 81 HP |
| Engine RPM | 6100 RPM | 5250 RPM |
| Torque | 450 Nm | 110 Nm |
| Torque RPM | 3600 RPM | 2250 RPM |
| Engine Bore Size | 92 mm | 66.5 mm |
| Engine Stroke Size | 82.7 mm | 67 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 175 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 10.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1665 kg | 865 kg |
| Vehicle Length | 4850 mm | 3430 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1500 mm | 1200 mm |
| Wheelbase Size | 2840 mm | 2370 mm |
| Fuel Tank Capacity | 70 L | 35 L |
