1956 AC Ace vs. 2009 Cadillac CTS
To start off, 2009 Cadillac CTS is newer by 53 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 3,564 cc (6 cylinders), 2009 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2009 Cadillac CTS (307 HP @ 6400 RPM) has 184 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 2009 Cadillac CTS should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac CTS weights approximately 894 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, 2009 Cadillac CTS (374 Nm) has 207 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2009 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 2009 Cadillac CTS | |
| Make | AC | Cadillac |
| Model | Ace | CTS |
| Year Released | 1956 | 2009 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3564 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 307 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 167 Nm | 374 Nm |
| Engine Bore Size | 66 mm | 94 mm |
| Engine Stroke Size | 96 mm | 85.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1788 kg |
| Vehicle Length | 3850 mm | 4870 mm |
| Vehicle Width | 1520 mm | 1850 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2890 mm |
| Fuel Tank Capacity | 59 L | 68 L |
