2005 AC Cobra vs. 2005 Audi S4
To start off, both 2005 AC Cobra and 2005 Audi S4 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 AC Cobra (350 HP @ 6500 RPM) has 10 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM). In normal driving conditions, 2005 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 673 kg more than 2005 AC Cobra.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 10 more torque (in Nm) than 2005 AC Cobra. (400 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 AC Cobra.
Compare all specifications:
| 2005 AC Cobra | 2005 Audi S4 | |
| Make | AC | Audi |
| Model | Cobra | S4 |
| Year Released | 2005 | 2005 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 350 HP | 340 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 400 Nm | 410 Nm |
| Engine Bore Size | 83 mm | 85.1 mm |
| Engine Stroke Size | 81 mm | 93 mm |
| Engine Compression Ratio | 8.0:1 | 11.0:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1062 kg | 1735 kg |
| Vehicle Length | 4210 mm | 4550 mm |
| Vehicle Width | 1750 mm | 1770 mm |
| Vehicle Height | 1210 mm | 1430 mm |
| Wheelbase Size | 2300 mm | 2660 mm |
