2005 Audi S4 vs. 1991 Beijing BJ 2021
To start off, 2005 Audi S4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1991 Beijing BJ 2021 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 240 more horse power than 1991 Beijing BJ 2021. (100 HP @ 5000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1991 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 360 kg more than 1991 Beijing BJ 2021. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 230 more torque (in Nm) than 1991 Beijing BJ 2021. (180 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Beijing BJ 2021.
Compare all specifications:
| 2005 Audi S4 | 1991 Beijing BJ 2021 | |
| Make | Audi | Beijing |
| Model | S4 | BJ 2021 |
| Year Released | 2005 | 1991 |
| Engine Size | 4161 cc | 2466 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 100 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 410 Nm | 180 Nm |
| Vehicle Weight | 1840 kg | 1480 kg |
| Vehicle Length | 4580 mm | 4290 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1620 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
