2003 Alfa Romeo Spider vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo Spider would be higher. At 3,179 cc (6 cylinders), 2003 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo Spider (236 HP @ 6200 RPM) has 21 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 2003 Alfa Romeo Spider should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 700 kg more than 2003 Alfa Romeo Spider.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. 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 BMW X5 (520 Nm @ 2000 RPM) has 231 more torque (in Nm) than 2003 Alfa Romeo Spider. (289 Nm @ 4800 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo Spider.
Compare all specifications:
| 2003 Alfa Romeo Spider | 2005 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | X5 |
| Year Released | 2003 | 2005 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2926 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 236 HP | 215 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 289 Nm | 520 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 93.1 mm | 84 mm |
| Engine Stroke Size | 78 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Acceleration 0-100mph | 6.3 seconds | 8.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 2170 kg |
| Vehicle Length | 4310 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1320 mm | 1720 mm |
| Wheelbase Size | 2710 mm | 2830 mm |
| Fuel Consumption Overall | 13.2 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
