1981 Alfa Romeo Alfa 6 vs. 2006 BMW X3
To start off, 2006 BMW X3 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfa 6 would be higher. At 2,993 cc (6 cylinders), 2006 BMW X3 is equipped with a bigger engine. In terms of performance, 2006 BMW X3 (201 HP @ 4000 RPM) has 97 more horse power than 1981 Alfa Romeo Alfa 6. (104 HP @ 4300 RPM) In normal driving conditions, 2006 BMW X3 should accelerate faster than 1981 Alfa Romeo Alfa 6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 345 kg more than 1981 Alfa Romeo Alfa 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Alfa Romeo Alfa 6. In wet, icy, snow, or gravel driving conditions, 2006 BMW X3 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, 2006 BMW X3 (410 Nm @ 1500 RPM) has 204 more torque (in Nm) than 1981 Alfa Romeo Alfa 6. (206 Nm @ 2400 RPM). This means 2006 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Alfa 6.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 2006 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | Alfa 6 | X3 |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2993 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 201 HP |
| Engine RPM | 4300 RPM | 4000 RPM |
| Torque | 206 Nm | 410 Nm |
| Torque RPM | 2400 RPM | 1500 RPM |
| Engine Compression Ratio | 22.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1580 kg | 1925 kg |
| Vehicle Length | 4690 mm | 4570 mm |
| Vehicle Width | 1690 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1680 mm |
| Wheelbase Size | 2610 mm | 2800 mm |
| Fuel Tank Capacity | 50 L | 67 L |
