1972 Alfa Romeo Giulia vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 34 year(s). Which means there will be less support and parts availability for 1972 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1972 Alfa Romeo Giulia would be higher. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (229 HP) has 148 more horse power than 1972 Alfa Romeo Giulia. (81 HP) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1972 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 580 kg more than 1972 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 BMW Z4 (300 Nm @ 3500 RPM) has 196 more torque (in Nm) than 1972 Alfa Romeo Giulia. (104 Nm @ 4900 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1972 Alfa Romeo Giulia.
Compare all specifications:
| 1972 Alfa Romeo Giulia | 2006 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | Giulia | Z4 |
| Year Released | 1972 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 81 HP | 229 HP |
| Torque | 104 Nm | 300 Nm |
| Torque RPM | 4900 RPM | 3500 RPM |
| Engine Bore Size | 74 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 160 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1050 kg | 1630 kg |
| Vehicle Length | 4170 mm | 4570 mm |
| Vehicle Width | 1570 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1680 mm |
| Wheelbase Size | 2460 mm | 2500 mm |
| Fuel Tank Capacity | 46 L | 55 L |
