1986 Alfa Romeo 75 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 23 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), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (176 HP @ 5800 RPM) has 23 more horse power than 1986 Alfa Romeo 75. (153 HP @ 5800 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 139 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, both vehicles can yield 230 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1986 Alfa Romeo 75 | 2009 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 75 | Z4 |
| Year Released | 1986 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 153 HP | 176 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 230 Nm | 230 Nm |
| Torque RPM | 2600 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 82 mm |
| Engine Stroke Size | 88.5 mm | 78.8 mm |
| Engine Compression Ratio | 7.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 193 km/hour | 229 km/hour |
| Acceleration 0-100mph | 9.5 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 | 1206 kg | 1345 kg |
| Vehicle Length | 4340 mm | 4100 mm |
| Vehicle Width | 1640 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1310 mm |
| Wheelbase Size | 2460 mm | 2500 mm |
| Fuel Consumption Overall | 7.6 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 68 L | 55 L |
