2003 BMW 520 vs. 2001 Lotec Sirius
To start off, 2003 BMW 520 is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Lotec Sirius. In addition, the cost of maintenance, including insurance, on 2001 Lotec Sirius would be higher. At 5,987 cc (12 cylinders), 2001 Lotec Sirius is equipped with a bigger engine. In terms of performance, 2001 Lotec Sirius (1,185 HP @ 6800 RPM) has 1018 more horse power than 2003 BMW 520. (167 HP @ 5800 RPM) In normal driving conditions, 2001 Lotec Sirius should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 280 kg more than 2001 Lotec Sirius.
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, 2001 Lotec Sirius (1,346 Nm @ 3400 RPM) has 1136 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 2001 Lotec Sirius will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520.
Compare all specifications:
| 2003 BMW 520 | 2001 Lotec Sirius | |
| Make | BMW | Lotec |
| Model | 520 | Sirius |
| Year Released | 2003 | 2001 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2171 cc | 5987 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 167 HP | 1185 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 210 Nm | 1346 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1280 kg |
| Vehicle Length | 4850 mm | 4130 mm |
| Vehicle Width | 1850 mm | 2090 mm |
| Vehicle Height | 1470 mm | 1130 mm |
