2004 Alfa Romeo Spider vs. 2003 Porsche 911
To start off, 2004 Alfa Romeo Spider is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 206 more horse power than 2004 Alfa Romeo Spider. (237 HP @ 6200 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2004 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 166 kg more than 2004 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo Spider. In wet, icy, snow, or gravel driving conditions, 2003 Porsche 911 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, 2003 Porsche 911 (621 Nm @ 2700 RPM) has 321 more torque (in Nm) than 2004 Alfa Romeo Spider. (300 Nm @ 4800 RPM). This means 2003 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo Spider.
Compare all specifications:
| 2004 Alfa Romeo Spider | 2003 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 2004 | 2003 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3179 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 237 HP | 443 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 300 Nm | 621 Nm |
| Torque RPM | 4800 RPM | 2700 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 78 mm | 76.4 mm |
| Top Speed | 242 km/hour | 307 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 4.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1494 kg | 1660 kg |
| Vehicle Length | 4310 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1330 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Consumption Overall | 13.2 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
