1998 AC Cobra vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 AC Cobra. In addition, the cost of maintenance, including insurance, on 1998 AC Cobra would be higher. At 4,942 cc (8 cylinders), 1998 AC Cobra is equipped with a bigger engine. In terms of performance, 1998 AC Cobra (365 HP @ 5750 RPM) has 26 more horse power than 2005 Audi S4. (339 HP @ 7000 RPM). In normal driving conditions, 1998 AC Cobra should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 649 kg more than 1998 AC Cobra.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1998 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2005 Audi S4 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, 1998 AC Cobra (579 Nm @ 4500 RPM) has 149 more torque (in Nm) than 2005 Audi S4. (430 Nm @ 3500 RPM). This means 1998 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 1998 AC Cobra | 2005 Audi S4 | |
| Make | AC | Audi |
| Model | Cobra | S4 |
| Year Released | 1998 | 2005 |
| Body Type | Roadster | Sedan |
| 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 | 5 valves |
| Horse Power | 365 HP | 339 HP |
| Engine RPM | 5750 RPM | 7000 RPM |
| Torque | 579 Nm | 430 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1026 kg | 1675 kg |
| Vehicle Length | 4210 mm | 4580 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1210 mm | 1420 mm |
| Wheelbase Size | 2300 mm | 2580 mm |
| Fuel Tank Capacity | 90 L | 66 L |
