1957 AC Ace vs. 1998 Beijing BJ 2021
To start off, 1998 Beijing BJ 2021 is newer by 41 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 3,962 cc (6 cylinders), 1998 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 1998 Beijing BJ 2021 (172 HP @ 4500 RPM) has 98 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1998 Beijing BJ 2021 should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1998 Beijing BJ 2021 weights approximately 730 kg more than 1957 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1957 AC Ace | 1998 Beijing BJ 2021 | |
| Make | AC | Beijing |
| Model | Ace | BJ 2021 |
| Year Released | 1957 | 1998 |
| Engine Size | 1990 cc | 3962 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 172 HP |
| Engine RPM | 4500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 890 kg | 1620 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 |
