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 (339 HP @ 7000 RPM) has 72 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 745 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.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1964 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2004 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, 1964 AC Cobra (426 Nm @ 3400 RPM) has 16 more torque (in Nm) than 2004 Audi S4. (410 Nm @ 3500 RPM). This means 1964 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4. 2004 Audi S4 has automatic transmission and 1964 AC Cobra has manual transmission. 1964 AC Cobra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1964 AC Cobra | 2004 Audi S4 | |
| Make | AC | Audi |
| Model | Cobra | S4 |
| Year Released | 1964 | 2004 |
| Body Type | Roadster | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4737 cc | 4170 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 267 HP | 339 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 426 Nm | 410 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 101.7 mm | 84.5 mm |
| Engine Stroke Size | 72.9 mm | 92.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1010 kg | 1755 kg |
| Vehicle Length | 3850 mm | 4590 mm |
| Vehicle Width | 1560 mm | 1780 mm |
| Vehicle Height | 1250 mm | 1430 mm |
| Wheelbase Size | 2290 mm | 2430 mm |
| Fuel Tank Capacity | 68 L | 63 L |
