2005 Alfa Romeo Spider vs. 2007 BMW 523
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo Spider would be higher. At 2,957 cc (6 cylinders), 2005 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo Spider (215 HP @ 5000 RPM) has 40 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2005 Alfa Romeo Spider should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 145 kg more than 2005 Alfa Romeo Spider.
Because 2007 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 2007 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo Spider, 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, 2005 Alfa Romeo Spider (265 Nm @ 5000 RPM) has 35 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2005 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2005 Alfa Romeo Spider | 2007 BMW 523 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 523 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 175 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 265 Nm | 230 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 82 mm |
| Engine Stroke Size | 72.6 mm | 78.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Acceleration 0-100mph | 7.3 seconds | 9.6 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1355 kg | 1500 kg |
| Vehicle Length | 4290 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1470 mm |
| Vehicle Height | 1320 mm | 1850 mm |
| Wheelbase Size | 2600 mm | 2890 mm |
| Fuel Consumption Overall | 11 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
