2007 Alfa Romeo GT vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo GT would be higher. At 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (316 HP @ 4250 RPM) has 178 more horse power than 2007 Alfa Romeo GT. (138 HP @ 6500 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2007 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 165 kg more than 2007 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alfa Romeo GT. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche 911 (371 Nm @ 4250 RPM) has 208 more torque (in Nm) than 2007 Alfa Romeo GT. (163 Nm @ 3900 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo GT. 2009 Porsche 911 has automatic transmission and 2007 Alfa Romeo GT has manual transmission. 2007 Alfa Romeo GT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo GT | 2009 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 2007 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1747 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 | 6500 RPM | 4250 RPM |
| Torque | 163 Nm | 371 Nm |
| Torque RPM | 3900 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 82.7 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 200 km/hour | 280 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 5.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1365 kg | 1530 kg |
| Vehicle Length | 4230 mm | 4430 mm |
| Vehicle Width | 1770 mm | 1310 mm |
| Vehicle Height | 1370 mm | 1860 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Consumption Overall | 8.7 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
