2005 Alpina B3 vs. 1981 Audi 4000
To start off, 2005 Alpina B3 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Audi 4000. In addition, the cost of maintenance, including insurance, on 1981 Audi 4000 would be higher. At 3,346 cc (6 cylinders), 2005 Alpina B3 is equipped with a bigger engine. In terms of performance, 2005 Alpina B3 (301 HP @ 6300 RPM) has 201 more horse power than 1981 Audi 4000. (100 HP @ 4250 RPM). In normal driving conditions, 2005 Alpina B3 should accelerate faster than 1981 Audi 4000.
Because 1981 Audi 4000 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alpina B3. In wet, icy, snow, or gravel driving conditions, 1981 Audi 4000 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, 2005 Alpina B3 (362 Nm) has 225 more torque (in Nm) than 1981 Audi 4000. (137 Nm). This means 2005 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 4000.
Compare all specifications:
| 2005 Alpina B3 | 1981 Audi 4000 | |
| Make | Alpina | Audi |
| Model | B3 | 4000 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 100 HP |
| Engine RPM | 6300 RPM | 4250 RPM |
| Torque | 362 Nm | 137 Nm |
| Engine Bore Size | 87.1 mm | 79.2 mm |
| Engine Stroke Size | 93.9 mm | 86.4 mm |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4480 mm | 4490 mm |
| Vehicle Width | 1750 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2550 mm |
