1964 AC Cobra vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 40 year(s). Which means there will be less support and parts availability for 1964 AC Cobra. In addition, the cost of maintenance, including insurance, on 1964 AC Cobra would be higher. At 4,737 cc (8 cylinders), 1964 AC Cobra is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 73 more horse power than 1964 AC Cobra. (267 HP @ 6000 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 1964 AC Cobra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 885 kg more than 1964 AC Cobra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1964 AC Cobra (426 Nm) has 15 more torque (in Nm) than 2004 Audi S4. (411 Nm). This means 1964 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4.
Compare all specifications:
| 1964 AC Cobra | 2004 Audi S4 | |
| Make | AC | Audi |
| Model | Cobra | S4 |
| Year Released | 1964 | 2004 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4737 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 267 HP | 340 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 426 Nm | 411 Nm |
| Engine Bore Size | 101.7 mm | 85 mm |
| Engine Stroke Size | 72.9 mm | 93 mm |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1010 kg | 1895 kg |
| Vehicle Length | 3850 mm | 4580 mm |
| Vehicle Width | 1560 mm | 1780 mm |
| Vehicle Height | 1250 mm | 1400 mm |
| Wheelbase Size | 2290 mm | 2770 mm |
| Fuel Tank Capacity | 68 L | 63 L |
