1956 AC Ace vs. 2010 Cadillac STS
To start off, 2010 Cadillac STS is newer by 54 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 4,600 cc (8 cylinders), 2010 Cadillac STS is equipped with a bigger engine. In terms of performance, 2010 Cadillac STS (320 HP @ 6400 RPM) has 246 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 2010 Cadillac STS should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2010 Cadillac STS weights approximately 918 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, 2010 Cadillac STS (427 Nm) has 260 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2010 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 2010 Cadillac STS | |
| Make | AC | Cadillac |
| Model | Ace | STS |
| Year Released | 1956 | 2010 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 320 HP |
| Engine RPM | 4500 RPM | 6400 RPM |
| Torque | 167 Nm | 427 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1812 kg |
| Vehicle Length | 3850 mm | 4996 mm |
| Vehicle Width | 1520 mm | 1844 mm |
| Vehicle Height | 1250 mm | 1463 mm |
| Wheelbase Size | 2290 mm | 2957 mm |
| Fuel Tank Capacity | 59 L | 64 L |
