1990 Alfa Romeo SZ vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 18 year(s). Which means there will be less support and parts availability for 1990 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1990 Alfa Romeo SZ would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 130 more horse power than 1990 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1990 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 225 kg more than 1990 Alfa Romeo SZ. 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 120 more torque (in Nm) than 1990 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo SZ.
Compare all specifications:
| 1990 Alfa Romeo SZ | 2008 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | SZ | Z4 |
| Year Released | 1990 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 338 HP |
| Engine RPM | 6200 RPM | 7900 RPM |
| Torque | 245 Nm | 365 Nm |
| Torque RPM | 4500 RPM | 4900 RPM |
| Engine Bore Size | 93 mm | 91 mm |
| Engine Stroke Size | 72.6 mm | 87 mm |
| Engine Compression Ratio | 9.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1485 kg |
| Vehicle Length | 4290 mm | 4870 mm |
| Vehicle Height | 1320 mm | 1480 mm |
| Wheelbase Size | 2520 mm | 2500 mm |
| Fuel Tank Capacity | 50 L | 70 L |
