2009 Alfa Romeo Spider vs. 2007 BMW X3
To start off, 2009 Alfa Romeo Spider is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 112 more horse power than 2009 Alfa Romeo Spider. (148 HP @ 6300 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2009 Alfa Romeo Spider.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (305 Nm @ 2750 RPM) has 124 more torque (in Nm) than 2009 Alfa Romeo Spider. (181 Nm @ 3800 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo Spider. 2007 BMW X3 has automatic transmission and 2009 Alfa Romeo Spider has manual transmission. 2009 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alfa Romeo Spider | 2007 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 260 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 181 Nm | 305 Nm |
| Torque RPM | 3800 RPM | 2750 RPM |
| Engine Bore Size | 83 mm | 85.1 mm |
| Engine Stroke Size | 91 mm | 87.9 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 210 km/hour | 209 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
