2007 BMW Z4 vs. 2002 Infiniti G20
To start off, 2007 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Infiniti G20. In addition, the cost of maintenance, including insurance, on 2002 Infiniti G20 would be higher. At 1,998 cc (4 cylinders), 2002 Infiniti G20 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (148 HP @ 6200 RPM) has 2 more horse power than 2002 Infiniti G20. (146 HP @ 6000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2002 Infiniti G20. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti G20 weights approximately 31 kg more than 2007 BMW Z4.
Because 2007 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2002 Infiniti G20, 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, 2007 BMW Z4 (200 Nm @ 3600 RPM) has 15 more torque (in Nm) than 2002 Infiniti G20. (185 Nm @ 4800 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Infiniti G20.
Compare all specifications:
| 2007 BMW Z4 | 2002 Infiniti G20 | |
| Make | BMW | Infiniti |
| Model | Z4 | G20 |
| Year Released | 2007 | 2002 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 146 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 200 Nm | 185 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1295 kg | 1326 kg |
| Vehicle Length | 4100 mm | 4520 mm |
| Vehicle Width | 1310 mm | 1700 mm |
| Vehicle Height | 1790 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2610 mm |
| Fuel Tank Capacity | 55 L | 60 L |
