2006 BMW 523 vs. 2004 Oldsmobile Aurora
To start off, 2006 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Oldsmobile Aurora. In addition, the cost of maintenance, including insurance, on 2004 Oldsmobile Aurora would be higher. At 3,994 cc (8 cylinders), 2004 Oldsmobile Aurora is equipped with a bigger engine. In terms of performance, 2004 Oldsmobile Aurora (247 HP @ 5600 RPM) has 72 more horse power than 2006 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2004 Oldsmobile Aurora should accelerate faster than 2006 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2004 Oldsmobile Aurora weights approximately 93 kg more than 2006 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 523 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 2006 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2004 Oldsmobile Aurora, 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, 2004 Oldsmobile Aurora (353 Nm @ 4400 RPM) has 123 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2004 Oldsmobile Aurora will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523. 2004 Oldsmobile Aurora has automatic transmission and 2006 BMW 523 has manual transmission. 2006 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Oldsmobile Aurora will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 523 | 2004 Oldsmobile Aurora | |
| Make | BMW | Oldsmobile |
| Model | 523 | Aurora |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3994 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 247 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 230 Nm | 353 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1632 kg | 1725 kg |
| Vehicle Length | 4850 mm | 5070 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
