2003 Alpina B7 vs. 1981 ZIL 4104
To start off, 2003 Alpina B7 is newer by 22 year(s). Which means there will be less support and parts availability for 1981 ZIL 4104. In addition, the cost of maintenance, including insurance, on 1981 ZIL 4104 would be higher. At 7,691 cc (8 cylinders), 1981 ZIL 4104 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 182 more horse power than 1981 ZIL 4104. (310 HP @ 4600 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 1981 ZIL 4104. With that said, vehicle weight also plays an important factor in acceleration. 1981 ZIL 4104 weights approximately 1335 kg more than 2003 Alpina B7.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2003 Alpina B7 (700 Nm @ 3000 RPM) has 92 more torque (in Nm) than 1981 ZIL 4104. (608 Nm @ 4000 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1981 ZIL 4104.
Compare all specifications:
| 2003 Alpina B7 | 1981 ZIL 4104 | |
| Make | Alpina | ZIL |
| Model | B7 | 4104 |
| Year Released | 2003 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 7691 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 492 HP | 310 HP |
| Engine RPM | 5500 RPM | 4600 RPM |
| Torque | 700 Nm | 608 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.0:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 2000 kg | 3335 kg |
| Vehicle Length | 5040 mm | 5750 mm |
| Vehicle Width | 1910 mm | 2090 mm |
| Vehicle Height | 1500 mm | 1510 mm |
| Wheelbase Size | 3000 mm | 3340 mm |
