2003 Alfa Romeo GT vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo GT would be higher. At 3,600 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (473 HP @ 6000 RPM) has 236 more horse power than 2003 Alfa Romeo GT. (237 HP @ 6200 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 2003 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche 911 weights approximately 245 kg more than 2003 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo GT. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Porsche 911 (620 Nm @ 1950 RPM) has 331 more torque (in Nm) than 2003 Alfa Romeo GT. (289 Nm @ 4800 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo GT.
Compare all specifications:
| 2003 Alfa Romeo GT | 2008 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 2003 | 2008 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3179 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 473 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 289 Nm | 620 Nm |
| Torque RPM | 4800 RPM | 1950 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 78 mm | 76.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 241 km/hour | 310 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1410 kg | 1655 kg |
| Vehicle Height | 340 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Consumption Overall | 7.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 67 L |
