2005 Porsche 911 vs. 2003 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 Porsche 911. In addition, the cost of maintenance, including insurance, on 2003 Porsche 911 would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (444 HP @ 5700 RPM) has 1 more horse power than 2003 Porsche 911. (443 HP @ 6000 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2003 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 44 kg more than 2005 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, both vehicles can yield 620 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Porsche 911 | 2003 Porsche 911 | |
| Make | Porsche | Porsche |
| Model | 911 | 911 |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Convertible |
| Engine Position | Rear | Rear |
| Engine Size | 3605 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Horse Power | 444 HP | 443 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 620 Nm | 620 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 100 mm | 100 mm |
| Engine Stroke Size | 76 mm | 76.4 mm |
| Engine Compression Ratio | 9.4:1 | 9.4:1 |
| Top Speed | 307 km/hour | 300 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 4.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1704 kg |
| Vehicle Length | 4440 mm | 4440 mm |
| Vehicle Width | 1840 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1300 mm |
| Wheelbase Size | 2360 mm | 2360 mm |
| Fuel Consumption Highway | 10.7 L/100km | 9.8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 22.2 L/100km |
| Fuel Consumption Overall | 13.3 L/100km | 14.2 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
