2003 AC Cobra vs. 2011 BMW X3
To start off, 2011 BMW X3 is newer by 8 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 3,506 cc (8 cylinders), 2003 AC Cobra is equipped with a bigger engine. In terms of performance, 2003 AC Cobra (350 HP @ 6500 RPM) has 39 more horse power than 2011 BMW X3. (311 HP @ 3300 RPM). In normal driving conditions, 2003 AC Cobra should accelerate faster than 2011 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X3 weights approximately 863 kg more than 2003 AC Cobra.
Because 2011 BMW X3 is all wheel drive (AWD), it will have significant more traction and grip than 2003 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2011 BMW X3 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, 2011 BMW X3 (630 Nm @ 2000 RPM) has 230 more torque (in Nm) than 2003 AC Cobra. (400 Nm @ 4000 RPM). This means 2011 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 AC Cobra.
Compare all specifications:
| 2003 AC Cobra | 2011 BMW X3 | |
| Make | AC | BMW |
| Model | Cobra | X3 |
| Year Released | 2003 | 2011 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 350 HP | 311 HP |
| Engine RPM | 6500 RPM | 3300 RPM |
| Torque | 400 Nm | 630 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 90 mm |
| Engine Stroke Size | 81 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | AWD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1062 kg | 1925 kg |
| Vehicle Length | 4210 mm | 4648 mm |
| Vehicle Width | 1750 mm | 1881 mm |
| Vehicle Height | 1210 mm | 1675 mm |
| Wheelbase Size | 2300 mm | 2810 mm |
