2008 BMW 523 vs. 2006 BMW 330
To start off, 2008 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 330. In addition, the cost of maintenance, including insurance, on 2006 BMW 330 would be higher. At 2,993 cc (6 cylinders), 2006 BMW 330 is equipped with a bigger engine. In terms of performance, 2006 BMW 330 (201 HP @ 4000 RPM) has 26 more horse power than 2008 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 330 should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 330 weights approximately 125 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, 2006 BMW 330 (411 Nm @ 1500 RPM) has 181 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 2006 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523.
Compare all specifications:
| 2008 BMW 523 | 2006 BMW 330 | |
| Make | BMW | BMW |
| Model | 523 | 330 |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 201 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 230 Nm | 411 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 82.1 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 8.5 seconds | 7.2 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1615 kg |
| Vehicle Length | 4870 mm | 4490 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 8.5 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
