2003 AC Cobra vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 4 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 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (351 HP @ 6600 RPM) has 1 more horse power than 2003 AC Cobra. (350 HP @ 6500 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2003 AC Cobra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 413 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.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2007 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, both vehicles can yield 400 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. 2007 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. 2007 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 AC Cobra | 2007 Porsche 911 | |
| Make | AC | Porsche |
| Model | Cobra | 911 |
| Year Released | 2003 | 2007 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3506 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 350 HP | 351 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 400 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 83 mm | 99 mm |
| Engine Stroke Size | 81 mm | 82.8 mm |
| Engine Compression Ratio | 8.0:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1062 kg | 1475 kg |
| Vehicle Length | 4210 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1210 mm | 1310 mm |
| Wheelbase Size | 2300 mm | 2360 mm |
