1999 Beijing BJ 2021 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 14 year(s). Which means there will be less support and parts availability for 1999 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1999 Beijing BJ 2021 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 327 more horse power than 1999 Beijing BJ 2021. (112 HP @ 4800 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 1999 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 667 kg more than 1999 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 7 Series. In wet, icy, snow, or gravel driving conditions, 1999 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 471 more torque (in Nm) than 1999 Beijing BJ 2021. (180 Nm @ 3200 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 1999 Beijing BJ 2021. 2013 BMW 7 Series has automatic transmission and 1999 Beijing BJ 2021 has manual transmission. 1999 Beijing BJ 2021 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Beijing BJ 2021 | 2013 BMW 7 Series | |
| Make | Beijing | BMW |
| Model | BJ 2021 | 7 Series |
| Year Released | 1999 | 2013 |
| Engine Size | 2466 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 112 HP | 439 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 180 Nm | 651 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Vehicle Weight | 1510 kg | 2177 kg |
| Vehicle Length | 4330 mm | 5214 mm |
| Vehicle Width | 1800 mm | 2134 mm |
| Vehicle Height | 1770 mm | 1481 mm |
| Wheelbase Size | 2680 mm | 3210 mm |
