2009 BMW 525 vs. 2005 Saturn ION
To start off, 2009 BMW 525 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Saturn ION. In addition, the cost of maintenance, including insurance, on 2005 Saturn ION would be higher. At 2,497 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 BMW 525 (175 HP @ 4000 RPM) has 37 more horse power than 2005 Saturn ION. (138 HP @ 5800 RPM). In normal driving conditions, 2009 BMW 525 should accelerate faster than 2005 Saturn ION. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 550 kg more than 2005 Saturn ION. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 525 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 2009 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2005 Saturn ION, 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, 2009 BMW 525 (400 Nm @ 2000 RPM) has 203 more torque (in Nm) than 2005 Saturn ION. (197 Nm @ 4400 RPM). This means 2009 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Saturn ION.
Compare all specifications:
| 2009 BMW 525 | 2005 Saturn ION | |
| Make | BMW | Saturn |
| Model | 525 | ION |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2189 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 138 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 400 Nm | 197 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Engine Bore Size | 84.1 mm | 86 mm |
| Engine Stroke Size | 75.1 mm | 94 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1200 kg |
| Vehicle Length | 4850 mm | 4690 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1500 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 49 L |
