2003 BMW 645 vs. 2012 Lexus LS
To start off, 2012 Lexus LS is newer by 9 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 5,000 cc (8 cylinders), 2012 Lexus LS is equipped with a bigger engine. In terms of performance, 2012 Lexus LS (438 HP @ 6400 RPM) has 113 more horse power than 2003 BMW 645. (325 HP @ 6100 RPM) In normal driving conditions, 2012 Lexus LS should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2012 Lexus LS weights approximately 670 kg more than 2003 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Lexus LS is all wheel drive (AWD), it will have significant more traction and grip than 2003 BMW 645. In wet, icy, snow, or gravel driving conditions, 2012 Lexus LS 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, 2012 Lexus LS (521 Nm @ 4000 RPM) has 71 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2012 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2012 Lexus LS | |
| Make | BMW | Lexus |
| Model | 645 | LS |
| Year Released | 2003 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 325 HP | 438 HP |
| Engine RPM | 6100 RPM | 6400 RPM |
| Torque | 450 Nm | 521 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.3 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 2360 kg |
| Vehicle Length | 4830 mm | 5179 mm |
| Vehicle Width | 1860 mm | 1875 mm |
| Vehicle Height | 1380 mm | 1481 mm |
| Wheelbase Size | 2890 mm | 3091 mm |
| Fuel Consumption | 8.6 L/100km | 10.2 L/100km |
| Fuel Consumption City | 17.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 84 L |
