1991 Beijing BJ 2021 vs. 1971 Saab 99
To start off, 1991 Beijing BJ 2021 is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Saab 99. In addition, the cost of maintenance, including insurance, on 1971 Saab 99 would be higher. At 2,466 cc (4 cylinders), 1991 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 1991 Beijing BJ 2021 (100 HP @ 5000 RPM) has 21 more horse power than 1971 Saab 99. (79 HP @ 5200 RPM). In normal driving conditions, 1991 Beijing BJ 2021 should accelerate faster than 1971 Saab 99. With that said, vehicle weight also plays an important factor in acceleration. 1991 Beijing BJ 2021 weights approximately 410 kg more than 1971 Saab 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Saab 99. In wet, icy, snow, or gravel driving conditions, 1991 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, 1991 Beijing BJ 2021 (180 Nm @ 2800 RPM) has 52 more torque (in Nm) than 1971 Saab 99. (128 Nm @ 3000 RPM). This means 1991 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1971 Saab 99.
Compare all specifications:
| 1991 Beijing BJ 2021 | 1971 Saab 99 | |
| Make | Beijing | Saab |
| Model | BJ 2021 | 99 |
| Year Released | 1991 | 1971 |
| Engine Size | 2466 cc | 1709 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 79 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 180 Nm | 128 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Weight | 1480 kg | 1070 kg |
| Vehicle Length | 4290 mm | 4380 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1620 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 2530 mm |
