1956 AC Ace vs. 2011 Lexus IS
To start off, 2011 Lexus IS is newer by 55 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 2,500 cc (6 cylinders), 2011 Lexus IS is equipped with a bigger engine. In terms of performance, 2011 Lexus IS (204 HP @ 6400 RPM) has 130 more horse power than 1956 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 2011 Lexus IS should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2011 Lexus IS weights approximately 673 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, 2011 Lexus IS (251 Nm) has 84 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 2011 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace.
Compare all specifications:
| 1956 AC Ace | 2011 Lexus IS | |
| Make | AC | Lexus |
| Model | Ace | IS |
| Year Released | 1956 | 2011 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 204 HP |
| Engine RPM | 4500 RPM | 6400 RPM |
| Torque | 167 Nm | 251 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 1567 kg |
| Vehicle Length | 3850 mm | 4580 mm |
| Vehicle Width | 1520 mm | 1801 mm |
| Vehicle Height | 1250 mm | 1425 mm |
| Wheelbase Size | 2290 mm | 2728 mm |
| Fuel Tank Capacity | 59 L | 65 L |
