2005 AC Cobra vs. 2007 BMW M6
To start off, 2007 BMW M6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 AC Cobra. In addition, the cost of maintenance, including insurance, on 2005 AC Cobra would be higher. At 4,997 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 150 more horse power than 2005 AC Cobra. (350 HP @ 6500 RPM) In normal driving conditions, 2007 BMW M6 should accelerate faster than 2005 AC Cobra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M6 weights approximately 943 kg more than 2005 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, 2007 BMW M6 (520 Nm @ 6100 RPM) has 120 more torque (in Nm) than 2005 AC Cobra. (400 Nm @ 4000 RPM). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 AC Cobra.
Compare all specifications:
| 2005 AC Cobra | 2007 BMW M6 | |
| Make | AC | BMW |
| Model | Cobra | M6 |
| Year Released | 2005 | 2007 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 4997 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 350 HP | 500 HP |
| Engine RPM | 6500 RPM | 7750 RPM |
| Torque | 400 Nm | 520 Nm |
| Torque RPM | 4000 RPM | 6100 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 81 mm | 75.2 mm |
| Engine Compression Ratio | 8.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1062 kg | 2005 kg |
| Vehicle Length | 4210 mm | 4880 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1210 mm | 1380 mm |
| Wheelbase Size | 2300 mm | 2790 mm |
