1961 AC Ace vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 50 year(s). Which means there will be less support and parts availability for 1961 AC Ace. In addition, the cost of maintenance, including insurance, on 1961 AC Ace would be higher. At 2,553 cc (6 cylinders), 1961 AC Ace is equipped with a bigger engine. In terms of performance, 2011 Citroen C4 (138 HP @ 6000 RPM) has 38 more horse power than 1961 AC Ace. (100 HP @ 5500 RPM) In normal driving conditions, 2011 Citroen C4 should accelerate faster than 1961 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C4 weights approximately 822 kg more than 1961 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1961 AC Ace is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1961 AC Ace. However, in wet, icy, snow, or gravel driving conditions, 2011 Citroen C4, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2011 Citroen C4 (200 Nm @ 4000 RPM) has 20 more torque (in Nm) than 1961 AC Ace. (180 Nm @ 2000 RPM). This means 2011 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1961 AC Ace.
Compare all specifications:
| 1961 AC Ace | 2011 Citroen C4 | |
| Make | AC | Citroen |
| Model | Ace | C4 |
| Year Released | 1961 | 2011 |
| Body Type | Roadster | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2553 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 138 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 180 Nm | 200 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82.6 mm | 85 mm |
| Engine Stroke Size | 79.5 mm | 88 mm |
| Engine Compression Ratio | 7.8:1 | 11.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 813 kg | 1635 kg |
| Vehicle Length | 3860 mm | 4590 mm |
| Vehicle Width | 1490 mm | 1840 mm |
| Vehicle Height | 1250 mm | 1630 mm |
| Wheelbase Size | 2290 mm | 2730 mm |
| Fuel Tank Capacity | 54 L | 60 L |
