2005 BMW 535 vs. 2005 BMW 645
To start off, both 2005 BMW 535 and 2005 BMW 645 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 85 more horse power than 2005 BMW 535. (241 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 2005 BMW 535. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 210 kg more than 2005 BMW 535. 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 117 more torque (in Nm) than 2005 BMW 535. (330 Nm @ 3800 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 535. 2005 BMW 645 has automatic transmission and 2005 BMW 535 has manual transmission. 2005 BMW 535 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 535 | 2005 BMW 645 | |
| Make | BMW | BMW |
| Model | 535 | 645 |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3428 cc | 4392 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 241 HP | 326 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 330 Nm | 447 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 78.9 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1685 kg | 1895 kg |
| Vehicle Length | 4780 mm | 4830 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Consumption | 8.5 L/100km | 10.2 L/100km |
| Fuel Consumption City | 17.5 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
