1985 AC Cobra vs. 2006 Audi RS4
To start off, 2006 Audi RS4 is newer by 21 year(s). Which means there will be less support and parts availability for 1985 AC Cobra. In addition, the cost of maintenance, including insurance, on 1985 AC Cobra would be higher. At 4,942 cc (8 cylinders), 1985 AC Cobra is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (415 HP @ 7800 RPM) has 95 more horse power than 1985 AC Cobra. (320 HP @ 5700 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1985 AC Cobra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 670 kg more than 1985 AC Cobra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1985 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2006 Audi RS4 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, 1985 AC Cobra (522 Nm @ 3750 RPM) has 92 more torque (in Nm) than 2006 Audi RS4. (430 Nm @ 5500 RPM). This means 1985 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi RS4.
Compare all specifications:
| 1985 AC Cobra | 2006 Audi RS4 | |
| Make | AC | Audi |
| Model | Cobra | RS4 |
| Year Released | 1985 | 2006 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 320 HP | 415 HP |
| Engine RPM | 5700 RPM | 7800 RPM |
| Torque | 522 Nm | 430 Nm |
| Torque RPM | 3750 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1175 kg | 1845 kg |
| Vehicle Length | 4210 mm | 4560 mm |
| Vehicle Width | 1750 mm | 1820 mm |
| Vehicle Height | 1210 mm | 1400 mm |
| Wheelbase Size | 2300 mm | 2660 mm |
| Fuel Tank Capacity | 80 L | 63 L |
