2003 Alfa Romeo Spider vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 1 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 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (415 HP @ 6000 RPM) has 179 more horse power than 2003 Alfa Romeo Spider. (236 HP @ 6200 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2003 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 265 kg more than 2003 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Porsche 911 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, 2004 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, 2004 Porsche 911 (563 Nm @ 2700 RPM) has 274 more torque (in Nm) than 2003 Alfa Romeo Spider. (289 Nm @ 4800 RPM). This means 2004 Porsche 911 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 | 2004 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Spider | 911 |
| Year Released | 2003 | 2004 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3179 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 236 HP | 415 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 289 Nm | 563 Nm |
| Torque RPM | 4800 RPM | 2700 RPM |
| Engine Bore Size | 93.1 mm | 100 mm |
| Engine Stroke Size | 78 mm | 76 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Acceleration 0-100mph | 6.3 seconds | 4.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1735 kg |
| Vehicle Length | 4310 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1840 mm |
| Vehicle Height | 1320 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption | 9.3 L/100km | 10.7 L/100km |
| Fuel Consumption City | 19.9 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 13.2 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
