1961 AC Ace vs. 1947 Allard J1
To start off, 1961 AC Ace is newer by 14 year(s). Which means there will be less support and parts availability for 1947 Allard J1. In addition, the cost of maintenance, including insurance, on 1947 Allard J1 would be higher. At 3,620 cc (8 cylinders), 1947 Allard J1 is equipped with a bigger engine. In terms of performance, 1961 AC Ace (100 HP @ 5500 RPM) has 15 more horse power than 1947 Allard J1. (85 HP @ 3800 RPM). In normal driving conditions, 1961 AC Ace should accelerate faster than 1947 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1947 Allard J1 weights approximately 207 kg more than 1961 AC Ace.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1947 Allard J1 (203 Nm @ 1500 RPM) has 23 more torque (in Nm) than 1961 AC Ace. (180 Nm @ 2000 RPM). This means 1947 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1961 AC Ace.
Compare all specifications:
| 1961 AC Ace | 1947 Allard J1 | |
| Make | AC | Allard |
| Model | Ace | J1 |
| Year Released | 1961 | 1947 |
| Engine Position | Front | Front |
| Engine Size | 2553 cc | 3620 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 85 HP |
| Engine RPM | 5500 RPM | 3800 RPM |
| Torque | 180 Nm | 203 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Engine Bore Size | 82.6 mm | 77.8 mm |
| Engine Stroke Size | 79.5 mm | 95.3 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 813 kg | 1020 kg |
| Vehicle Length | 3860 mm | 3690 mm |
| Vehicle Width | 1490 mm | 1480 mm |
| Vehicle Height | 1250 mm | 1510 mm |
| Wheelbase Size | 2290 mm | 2440 mm |
