2005 AC Cobra vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 1 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 3,506 cc (8 cylinders), 2005 AC Cobra is equipped with a bigger engine. In terms of performance, 2005 AC Cobra (350 HP @ 6500 RPM) has 95 more horse power than 2006 Audi A4. (255 HP @ 6500 RPM). In normal driving conditions, 2005 AC Cobra should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 818 kg more than 2005 AC Cobra.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 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, 2005 AC Cobra (400 Nm @ 4000 RPM) has 70 more torque (in Nm) than 2006 Audi A4. (330 Nm @ 3250 RPM). This means 2005 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2005 AC Cobra | 2006 Audi A4 | |
| Make | AC | Audi |
| Model | Cobra | A4 |
| Year Released | 2005 | 2006 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 3129 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 350 HP | 255 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 400 Nm | 330 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 81 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1062 kg | 1880 kg |
| Vehicle Length | 4210 mm | 4590 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1210 mm | 1430 mm |
| Wheelbase Size | 2300 mm | 2660 mm |
