1958 AC Ace vs. 2009 Hummer H2
To start off, 2009 Hummer H2 is newer by 51 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 6,199 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP @ 5700 RPM) has 268 more horse power than 1958 AC Ace. (125 HP @ 6000 RPM) In normal driving conditions, 2009 Hummer H2 should accelerate faster than 1958 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 2009 kg more than 1958 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 Hummer H2 (564 Nm @ 4300 RPM) has 397 more torque (in Nm) than 1958 AC Ace. (167 Nm @ 4500 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1958 AC Ace.
Compare all specifications:
| 1958 AC Ace | 2009 Hummer H2 | |
| Make | AC | Hummer |
| Model | Ace | H2 |
| Year Released | 1958 | 2009 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 6199 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 125 HP | 393 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 167 Nm | 564 Nm |
| Torque RPM | 4500 RPM | 4300 RPM |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 894 kg | 2903 kg |
| Vehicle Length | 4010 mm | 4830 mm |
| Vehicle Width | 1520 mm | 2070 mm |
| Vehicle Height | 1270 mm | 2020 mm |
| Wheelbase Size | 2290 mm | 3130 mm |
| Fuel Tank Capacity | 59 L | 121 L |
