2007 Audi S4 vs. 1998 Beijing BJ 2021
To start off, 2007 Audi S4 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 1998 Beijing BJ 2021 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 7000 RPM) has 168 more horse power than 1998 Beijing BJ 2021. (172 HP @ 4500 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1998 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 1998 Beijing BJ 2021 weights approximately 345 kg more than 2007 Audi S4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2007 Audi S4 (411 Nm @ 3500 RPM) has 114 more torque (in Nm) than 1998 Beijing BJ 2021. (297 Nm @ 2600 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Beijing BJ 2021. 1998 Beijing BJ 2021 has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Beijing BJ 2021 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi S4 | 1998 Beijing BJ 2021 | |
| Make | Audi | Beijing |
| Model | S4 | BJ 2021 |
| Year Released | 2007 | 1998 |
| Engine Size | 4163 cc | 3962 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 172 HP |
| Engine RPM | 7000 RPM | 4500 RPM |
| Torque | 411 Nm | 297 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1275 kg | 1620 kg |
| Vehicle Length | 4580 mm | 4330 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1770 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
