2005 Acura RL vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Acura RL. In addition, the cost of maintenance, including insurance, on 2005 Acura RL 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 2005 Acura RL. (300 HP @ 5600 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 2005 Acura RL. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 55 kg more than 2005 Acura RL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2005 Acura RL, being front wheel drive (FWD), will offer much better control with better grip. 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) has 97 more torque (in Nm) than 2005 Acura RL. (353 Nm). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2005 Acura RL. 2005 Acura RL has automatic transmission and 2008 BMW 645 has manual transmission. 2008 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Acura RL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Acura RL | 2008 BMW 645 | |
| Make | Acura | BMW |
| Model | RL | 645 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3474 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 328 HP |
| Engine RPM | 5600 RPM | 6100 RPM |
| Torque | 353 Nm | 450 Nm |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1815 kg |
| Vehicle Length | 4920 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2810 mm | 2790 mm |
| Fuel Consumption Overall | 11.2 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 73 L | 70 L |
