2008 BMW 645 vs. 2009 BMW 335
To start off, 2009 BMW 335 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 645. In addition, the cost of maintenance, including insurance, on 2008 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 28 more horse power than 2009 BMW 335. (300 HP @ 5800 RPM). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2009 BMW 335. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 215 kg more than 2009 BMW 335. 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 43 more torque (in Nm) than 2009 BMW 335. (407 Nm @ 1400 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 335.
Compare all specifications:
| 2008 BMW 645 | 2009 BMW 335 | |
| Make | BMW | BMW |
| Model | 645 | 335 |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2978 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 300 HP |
| Engine RPM | 6100 RPM | 5800 RPM |
| Torque | 450 Nm | 407 Nm |
| Torque RPM | 3600 RPM | 1400 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 89.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 6.8 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 | 1815 kg | 1600 kg |
| Vehicle Length | 4830 mm | 4540 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2790 mm | 2770 mm |
| Fuel Consumption Overall | 12.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
