2009 Alfa Romeo GT vs. 1999 Porsche 911
To start off, 2009 Alfa Romeo GT is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6200 RPM) has 177 more horse power than 2009 Alfa Romeo GT. (237 HP @ 6200 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 2009 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche 911 weights approximately 100 kg more than 2009 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alfa Romeo GT. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 260 more torque (in Nm) than 2009 Alfa Romeo GT. (300 Nm @ 4800 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo GT. 1999 Porsche 911 has automatic transmission and 2009 Alfa Romeo GT has manual transmission. 2009 Alfa Romeo GT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alfa Romeo GT | 1999 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 2009 | 1999 |
| Body Type | Coupe | Coupe |
| 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 | 2 valves |
| Horse Power | 237 HP | 414 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 300 Nm | 560 Nm |
| Torque RPM | 4800 RPM | 2700 RPM |
| Engine Bore Size | 93.1 mm | 100 mm |
| Engine Stroke Size | 78 mm | 76.4 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Acceleration 0-100mph | 6.7 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1585 kg |
| Vehicle Length | 4500 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1370 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Tank Capacity | 63 L | 64 L |
