2006 BMW Z4 vs. 2013 Infiniti G
To start off, 2013 Infiniti G is newer by 7 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,696 cc (4 cylinders), 2013 Infiniti G is equipped with a bigger engine. In terms of performance, 2013 Infiniti G (321 HP @ 7000 RPM) has 153 more horse power than 2006 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2013 Infiniti G should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti G weights approximately 539 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2013 Infiniti G, 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, 2013 Infiniti G (362 Nm @ 5200 RPM) has 152 more torque (in Nm) than 2006 BMW Z4. (210 Nm @ 3500 RPM). This means 2013 Infiniti G will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2013 Infiniti G | |
| Make | BMW | Infiniti |
| Model | Z4 | G |
| Year Released | 2006 | 2013 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 321 HP |
| Engine RPM | 6250 RPM | 7000 RPM |
| Torque | 210 Nm | 362 Nm |
| Torque RPM | 3500 RPM | 5200 RPM |
| Engine Bore Size | 80 mm | 95 mm |
| Engine Stroke Size | 72 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.7 seconds | 6.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1864 kg |
| Vehicle Length | 4100 mm | 4657 mm |
| Vehicle Width | 1790 mm | 1852 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
