1979 Alfa Romeo Alfetta vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1979 Alfa Romeo Alfetta would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 135 more horse power than 1979 Alfa Romeo Alfetta. (80 HP @ 4300 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 1979 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 920 kg more than 1979 Alfa Romeo Alfetta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Alfa Romeo Alfetta. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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 BMW X5 (520 Nm @ 2000 RPM) has 358 more torque (in Nm) than 1979 Alfa Romeo Alfetta. (162 Nm @ 2300 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1979 Alfa Romeo Alfetta.
Compare all specifications:
| 1979 Alfa Romeo Alfetta | 2005 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | Alfetta | X5 |
| Year Released | 1979 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2926 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 80 HP | 215 HP |
| Engine RPM | 4300 RPM | 4000 RPM |
| Torque | 162 Nm | 520 Nm |
| Torque RPM | 2300 RPM | 2000 RPM |
| Engine Bore Size | 88 mm | 84 mm |
| Engine Stroke Size | 82 mm | 90 mm |
| Engine Compression Ratio | 22.0:1 | 18.0:1 |
| Top Speed | 155 km/hour | 210 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 2170 kg |
| Vehicle Length | 4390 mm | 4670 mm |
| Vehicle Width | 1650 mm | 1880 mm |
| Vehicle Height | 1440 mm | 1720 mm |
| Wheelbase Size | 2520 mm | 2830 mm |
| Fuel Tank Capacity | 49 L | 93 L |
