2005 Alfa Romeo GT vs. 2005 Porsche 911
To start off, both 2005 Alfa Romeo GT and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 4250 RPM) has 178 more horse power than 2005 Alfa Romeo GT. (138 HP @ 6300 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2005 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 45 kg more than 2005 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 four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo GT. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 207 more torque (in Nm) than 2005 Alfa Romeo GT. (163 Nm @ 3900 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo GT.
Compare all specifications:
| 2005 Alfa Romeo GT | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 2005 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1745 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 316 HP |
| Engine RPM | 6300 RPM | 4250 RPM |
| Torque | 163 Nm | 370 Nm |
| Torque RPM | 3900 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 82.7 mm | 82.8 mm |
| Engine Compression Ratio | 10.3:1 | 11.3:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1345 kg |
| Vehicle Length | 4310 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
| Fuel Tank Capacity | 63 L | 64 L |
