1990 Alfa Romeo SZ vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 17 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 2,957 cc (6 cylinders), 1990 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 7 more horse power than 1990 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1990 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 30 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, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 5 more torque (in Nm) than 1990 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo SZ. 2007 BMW Z4 has automatic transmission and 1990 Alfa Romeo SZ has manual transmission. 1990 Alfa Romeo SZ 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:
| 1990 Alfa Romeo SZ | 2007 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | SZ | Z4 |
| Year Released | 1990 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 215 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 245 Nm | 250 Nm |
| Torque RPM | 4500 RPM | 2750 RPM |
| Engine Bore Size | 93 mm | 82 mm |
| Engine Stroke Size | 72.6 mm | 78.8 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 227 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 1290 kg |
| Vehicle Length | 4290 mm | 4100 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1320 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2500 mm |
| Fuel Tank Capacity | 50 L | 55 L |
