2007 BMW Z4 vs. 2003 Infiniti G35
To start off, 2007 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Infiniti G35. In addition, the cost of maintenance, including insurance, on 2003 Infiniti G35 would be higher. At 3,498 cc (6 cylinders), 2003 Infiniti G35 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 79 more horse power than 2003 Infiniti G35. (256 HP @ 6000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2003 Infiniti G35. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti G35 weights approximately 220 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, 2003 Infiniti G35, 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, 2003 Infiniti G35 (352 Nm @ 4800 RPM) has 37 more torque (in Nm) than 2007 BMW Z4. (315 Nm @ 2750 RPM). This means 2003 Infiniti G35 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2003 Infiniti G35 has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti G35 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2003 Infiniti G35 | |
| Make | BMW | Infiniti |
| Model | Z4 | G35 |
| Year Released | 2007 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 256 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 315 Nm | 352 Nm |
| Torque RPM | 2750 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1290 kg | 1510 kg |
| Vehicle Length | 4100 mm | 4740 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1480 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
