2006 BMW 645 vs. 2008 Lexus IS
To start off, 2008 Lexus IS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 58 more horse power than 2008 Lexus IS. (270 HP @ 4600 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2008 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 237 kg more than 2008 Lexus IS. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 255 more torque (in Nm) than 2008 Lexus IS. (195 Nm @ 4600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Lexus IS.
Compare all specifications:
| 2006 BMW 645 | 2008 Lexus IS | |
| Make | BMW | Lexus |
| Model | 645 | IS |
| Year Released | 2006 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1988 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 270 HP |
| Engine RPM | 6100 RPM | 4600 RPM |
| Torque | 450 Nm | 195 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 92 mm | 75.1 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5.6 seconds | 9.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1692 kg | 1455 kg |
| Vehicle Length | 4830 mm | 5160 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2790 mm | 2680 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
