1999 AC Ace vs. 2004 Beijing BJ 2021
To start off, 2004 Beijing BJ 2021 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 AC Ace. In addition, the cost of maintenance, including insurance, on 1999 AC Ace would be higher. At 3,506 cc (8 cylinders), 1999 AC Ace is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 240 more horse power than 2004 Beijing BJ 2021. (111 HP @ 4800 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 2004 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2004 Beijing BJ 2021 weights approximately 485 kg more than 1999 AC Ace.
Because 2004 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1999 AC Ace. In wet, icy, snow, or gravel driving conditions, 2004 Beijing BJ 2021 will offer significantly more control. 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, 1999 AC Ace (400 Nm @ 4000 RPM) has 220 more torque (in Nm) than 2004 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2004 Beijing BJ 2021.
Compare all specifications:
| 1999 AC Ace | 2004 Beijing BJ 2021 | |
| Make | AC | Beijing |
| Model | Ace | BJ 2021 |
| Year Released | 1999 | 2004 |
| Engine Size | 3506 cc | 2466 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 111 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 400 Nm | 180 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1025 kg | 1510 kg |
| Vehicle Length | 4430 mm | 4330 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1770 mm |
| Wheelbase Size | 2480 mm | 2680 mm |
