2003 Alfa Romeo GT vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo GT would be higher. At 2,996 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (261 HP @ 6600 RPM) has 99 more horse power than 2003 Alfa Romeo GT. (162 HP @ 6400 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2003 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 55 kg more than 2003 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo GT, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 109 more torque (in Nm) than 2003 Alfa Romeo GT. (206 Nm @ 3250 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo GT.
Compare all specifications:
| 2003 Alfa Romeo GT | 2009 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | GT | Z4 |
| Year Released | 2003 | 2009 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 162 HP | 261 HP |
| Engine RPM | 6400 RPM | 6600 RPM |
| Torque | 206 Nm | 315 Nm |
| Torque RPM | 3250 RPM | 2750 RPM |
| Engine Bore Size | 83.1 mm | 85.1 mm |
| Engine Stroke Size | 91 mm | 88 mm |
| Engine Compression Ratio | 11.3:1 | 10.7:1 |
| Acceleration 0-100mph | 8.7 seconds | 5.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1395 kg |
| Vehicle Length | 4500 mm | 4100 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1270 mm |
| Wheelbase Size | 2710 mm | 2500 mm |
| Fuel Consumption Overall | 8.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 60 L | 55 L |
