1956 AC Ace vs. 1999 Infiniti QX4
To start off, 1999 Infiniti QX4 is newer by 43 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 3,498 cc (6 cylinders), 1999 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 1999 Infiniti QX4 (238 HP @ 6000 RPM) has 115 more horse power than 1956 AC Ace. (123 HP @ 6000 RPM) In normal driving conditions, 1999 Infiniti QX4 should accelerate faster than 1956 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti QX4 weights approximately 1068 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, 1999 Infiniti QX4 (359 Nm) has 192 more torque (in Nm) than 1956 AC Ace. (167 Nm). This means 1999 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Ace. 1999 Infiniti QX4 has automatic transmission and 1956 AC Ace has manual transmission. 1956 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Ace | 1999 Infiniti QX4 | |
| Make | AC | Infiniti |
| Model | Ace | QX4 |
| Year Released | 1956 | 1999 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 238 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 167 Nm | 359 Nm |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 1962 kg |
| Vehicle Length | 3850 mm | 4660 mm |
| Vehicle Width | 1520 mm | 1850 mm |
| Vehicle Height | 1250 mm | 1800 mm |
| Wheelbase Size | 2290 mm | 2710 mm |
