1986 Alfa Romeo 75 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 75 would be higher. At 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 107 more horse power than 1986 Alfa Romeo 75. (108 HP @ 5800 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 270 kg more than 1986 Alfa Romeo 75. 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 (250 Nm @ 2750 RPM) has 104 more torque (in Nm) than 1986 Alfa Romeo 75. (146 Nm @ 4000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 75.
Compare all specifications:
| 1986 Alfa Romeo 75 | 2007 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 75 | Z4 |
| Year Released | 1986 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 215 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 146 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Engine Bore Size | 78 mm | 82 mm |
| Engine Stroke Size | 82 mm | 78.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Top Speed | 180 km/hour | 240 km/hour |
| Acceleration 0-100mph | 10.7 seconds | 6.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1092 kg | 1362 kg |
| Vehicle Length | 4340 mm | 4100 mm |
| Vehicle Width | 1640 mm | 1310 mm |
| Vehicle Height | 1360 mm | 1790 mm |
| Wheelbase Size | 2520 mm | 2500 mm |
| Fuel Consumption Overall | 7.6 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 49 L | 55 L |
