2003 Alfa Romeo GT vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 2 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 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 252 more horse power than 2003 Alfa Romeo GT. (162 HP @ 6400 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2003 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 40 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 2005 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo GT, being front wheel drive (FWD), will offer much better control with better grip. 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 Porsche 911 (560 Nm @ 2700 RPM) has 354 more torque (in Nm) than 2003 Alfa Romeo GT. (206 Nm @ 3250 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo GT. 2005 Porsche 911 has automatic transmission and 2003 Alfa Romeo GT has manual transmission. 2003 Alfa Romeo GT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo GT | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 2003 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1910 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 162 HP | 414 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 206 Nm | 560 Nm |
| Torque RPM | 3250 RPM | 2700 RPM |
| Engine Compression Ratio | 11.3:1 | 9.4:1 |
| Acceleration 0-100mph | 8.7 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1380 kg |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Consumption Overall | 8.7 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
