2003 AC Cobra vs. 2006 BMW X3
To start off, 2006 BMW X3 is newer by 3 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 149 more horse power than 2006 BMW X3. (201 HP @ 4000 RPM). In normal driving conditions, 2003 AC Cobra should accelerate faster than 2006 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 863 kg more than 2003 AC Cobra.
Because 2006 BMW X3 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, 2006 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, 2006 BMW X3 (410 Nm @ 1500 RPM) has 10 more torque (in Nm) than 2003 AC Cobra. (400 Nm @ 4000 RPM). This means 2006 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 | 2006 BMW X3 | |
| Make | AC | BMW |
| Model | Cobra | X3 |
| Year Released | 2003 | 2006 |
| 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 | 201 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 400 Nm | 410 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Compression Ratio | 8.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1062 kg | 1925 kg |
| Vehicle Length | 4210 mm | 4570 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1210 mm | 1680 mm |
| Wheelbase Size | 2300 mm | 2800 mm |
