2003 AC Cobra 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 AC Cobra. In addition, the cost of maintenance, including insurance, on 2003 AC Cobra would be higher. At 3,818 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (355 HP @ 6800 RPM) has 5 more horse power than 2003 AC Cobra. (350 HP @ 6500 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2003 AC Cobra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 438 kg more than 2003 AC Cobra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2003 AC Cobra (400 Nm @ 4000 RPM) has 15 more torque (in Nm) than 2005 Porsche 911. (385 Nm @ 4600 RPM). This means 2003 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911. 2005 Porsche 911 has automatic transmission and 2003 AC Cobra has manual transmission. 2003 AC Cobra 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 AC Cobra | 2005 Porsche 911 | |
| Make | AC | Porsche |
| Model | Cobra | 911 |
| Year Released | 2003 | 2005 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3506 cc | 3818 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 350 HP | 355 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 400 Nm | 385 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 83 mm | 99 mm |
| Engine Stroke Size | 81 mm | 83 mm |
| Engine Compression Ratio | 8.0:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1062 kg | 1500 kg |
| Vehicle Length | 4210 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1210 mm | 1310 mm |
| Wheelbase Size | 2300 mm | 2360 mm |
