1957 AC Ace vs. 2005 Beijing BJ 2021
To start off, 2005 Beijing BJ 2021 is newer by 48 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 2,466 cc (4 cylinders), 2005 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 1957 AC Ace (123 HP @ 6000 RPM) has 12 more horse power than 2005 Beijing BJ 2021. (111 HP @ 4800 RPM). In normal driving conditions, 1957 AC Ace should accelerate faster than 2005 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2005 Beijing BJ 2021 weights approximately 616 kg more than 1957 AC Ace.
Let's talk about torque, 2005 Beijing BJ 2021 (180 Nm @ 3200 RPM) has 13 more torque (in Nm) than 1957 AC Ace. (167 Nm @ 4500 RPM). This means 2005 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Ace.
Compare all specifications:
| 1957 AC Ace | 2005 Beijing BJ 2021 | |
| Make | AC | Beijing |
| Model | Ace | BJ 2021 |
| Year Released | 1957 | 2005 |
| Engine Size | 1971 cc | 2466 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 111 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 167 Nm | 180 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 894 kg | 1510 kg |
| Vehicle Length | 3850 mm | 4330 mm |
| Vehicle Width | 1520 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1770 mm |
| Wheelbase Size | 2290 mm | 2680 mm |
