2006 BMW 645 vs. 2012 BMW 335
To start off, 2012 BMW 335 is newer by 6 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 28 more horse power than 2012 BMW 335. (300 HP @ 5800 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2012 BMW 335. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 211 kg more than 2012 BMW 335. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW 335 is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2012 BMW 335 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 44 more torque (in Nm) than 2012 BMW 335. (406 Nm @ 1300 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2012 BMW 335.
Compare all specifications:
| 2006 BMW 645 | 2012 BMW 335 | |
| Make | BMW | BMW |
| Model | 645 | 335 |
| Year Released | 2006 | 2012 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 328 HP | 300 HP |
| Engine RPM | 6100 RPM | 5800 RPM |
| Torque | 450 Nm | 406 Nm |
| Torque RPM | 3600 RPM | 1300 RPM |
| Engine Bore Size | 92 mm | 89.6 mm |
| Engine Stroke Size | 83 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1836 kg | 1625 kg |
| Vehicle Length | 4830 mm | 4624 mm |
| Vehicle Width | 1860 mm | 1783 mm |
| Vehicle Height | 1380 mm | 1394 mm |
| Wheelbase Size | 2790 mm | 2810 mm |
| Fuel Tank Capacity | 70 L | 57 L |
