2003 BMW 645 vs. 2003 Smart ForTwo
To start off, both 2003 BMW 645 and 2003 Smart ForTwo were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 265 more horse power than 2003 Smart ForTwo. (60 HP @ 5250 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2003 Smart ForTwo. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 875 kg more than 2003 Smart ForTwo. 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 354 more torque (in Nm) than 2003 Smart ForTwo. (96 Nm @ 2000 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2003 Smart ForTwo.
Compare all specifications:
| 2003 BMW 645 | 2003 Smart ForTwo | |
| Make | BMW | Smart |
| Model | 645 | ForTwo |
| Year Released | 2003 | 2003 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4398 cc | 698 cc |
| Engine Cylinders | 8 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 325 HP | 60 HP |
| Engine RPM | 6100 RPM | 5250 RPM |
| Torque | 450 Nm | 96 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 66.5 mm |
| Engine Stroke Size | 82.7 mm | 67 mm |
| Top Speed | 250 km/hour | 135 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 15.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 815 kg |
| Vehicle Length | 4830 mm | 2510 mm |
| Vehicle Width | 1860 mm | 1540 mm |
| Vehicle Height | 1380 mm | 1560 mm |
| Wheelbase Size | 2890 mm | 1820 mm |
| Fuel Consumption Overall | 11.7 L/100km | 4.7 L/100km |
| Fuel Tank Capacity | 70 L | 33 L |
