2008 BMW 645 vs. 2008 BMW 523
To start off, both 2008 BMW 645 and 2008 BMW 523 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP) has 153 more horse power than 2008 BMW 523. (175 HP). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 410 kg more than 2008 BMW 523. 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 220 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523.
Compare all specifications:
| 2008 BMW 645 | 2008 BMW 523 | |
| Make | BMW | BMW |
| Model | 645 | 523 |
| Year Released | 2008 | 2008 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 175 HP |
| Torque | 450 Nm | 230 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.6 seconds | 8.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1280 kg |
| Vehicle Length | 4830 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1500 mm |
| Wheelbase Size | 2790 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
