1966 AC Cobra vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 39 year(s). Which means there will be less support and parts availability for 1966 AC Cobra. In addition, the cost of maintenance, including insurance, on 1966 AC Cobra would be higher. At 6,997 cc (8 cylinders), 1966 AC Cobra is equipped with a bigger engine. In terms of performance, 1966 AC Cobra (410 HP @ 6000 RPM) has 70 more horse power than 2005 Audi S4. (340 HP @ 6200 RPM). In normal driving conditions, 1966 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 635 kg more than 1966 AC Cobra.
Let's talk about torque, 1966 AC Cobra (651 Nm) has 241 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 1966 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 1966 AC Cobra | 2005 Audi S4 | |
| Make | AC | Audi |
| Model | Cobra | S4 |
| Year Released | 1966 | 2005 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 410 HP | 340 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 651 Nm | 410 Nm |
| Engine Bore Size | 107.7 mm | 85 mm |
| Engine Stroke Size | 96 mm | 93 mm |
| Engine Compression Ratio | 11.5:1 | 11.0:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1147 kg | 1782 kg |
| Vehicle Length | 3970 mm | 4550 mm |
| Vehicle Width | 1730 mm | 1770 mm |
| Vehicle Height | 1250 mm | 1430 mm |
| Wheelbase Size | 2290 mm | 2760 mm |
| Fuel Tank Capacity | 68 L | 66 L |
