1956 AC Ace vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 48 year(s). Which means there will be less support and parts availability for 1956 AC Ace. In addition, the cost of maintenance, including insurance, on 1956 AC Ace would be higher. At 1,971 cc (6 cylinders), 1956 AC Ace is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (169 HP @ 6300 RPM) has 46 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 671 kg more than 1956 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Audi A4 (225 Nm) has 58 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 2004 Audi A4 | |
| Make | AC | Audi |
| Model | Ace | A4 |
| Year Released | 1956 | 2004 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 123 HP | 169 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 167 Nm | 225 Nm |
| Engine Bore Size | 66 mm | 81 mm |
| Engine Stroke Size | 96 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1565 kg |
| Vehicle Length | 3850 mm | 4580 mm |
| Vehicle Width | 1520 mm | 1770 mm |
| Vehicle Height | 1250 mm | 1400 mm |
| Wheelbase Size | 2290 mm | 2660 mm |
| Fuel Tank Capacity | 59 L | 66 L |
