1975 Alfa Romeo Alfetta vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Alfetta would be higher. At 2,171 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (168 HP @ 6250 RPM) has 60 more horse power than 1975 Alfa Romeo Alfetta. (108 HP @ 5600 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1975 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 245 kg more than 1975 Alfa Romeo Alfetta. 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, 2007 BMW Z4 (210 Nm @ 3500 RPM) has 68 more torque (in Nm) than 1975 Alfa Romeo Alfetta. (142 Nm @ 4300 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Alfetta. 2007 BMW Z4 has automatic transmission and 1975 Alfa Romeo Alfetta has manual transmission. 1975 Alfa Romeo Alfetta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Alfa Romeo Alfetta | 2007 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | Alfetta | Z4 |
| Year Released | 1975 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 168 HP |
| Engine RPM | 5600 RPM | 6250 RPM |
| Torque | 142 Nm | 210 Nm |
| Torque RPM | 4300 RPM | 3500 RPM |
| Engine Bore Size | 78 mm | 80 mm |
| Engine Stroke Size | 82 mm | 72 mm |
| Engine Compression Ratio | 9.0:1 | 10.8:1 |
| Top Speed | 175 km/hour | 225 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1080 kg | 1325 kg |
| Vehicle Length | 4290 mm | 4100 mm |
| Vehicle Width | 1620 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2500 mm |
| Fuel Tank Capacity | 49 L | 55 L |
