2008 BMW Z4 vs. 2009 Infiniti EX
To start off, 2009 Infiniti EX is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW Z4. In addition, the cost of maintenance, including insurance, on 2008 BMW Z4 would be higher. At 3,498 cc (6 cylinders), 2009 Infiniti EX is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 45 more horse power than 2009 Infiniti EX. (293 HP @ 6800 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2009 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti EX weights approximately 234 kg more than 2008 BMW Z4.
Because 2009 Infiniti EX is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti EX will offer significantly more control. 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 22 more torque (in Nm) than 2009 Infiniti EX. (343 Nm @ 4800 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti EX. 2009 Infiniti EX has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti EX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 2009 Infiniti EX | |
| Make | BMW | Infiniti |
| Model | Z4 | EX |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3248 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 293 HP |
| Engine RPM | 7900 RPM | 6800 RPM |
| Torque | 365 Nm | 343 Nm |
| Torque RPM | 4900 RPM | 4800 RPM |
| Engine Compression Ratio | 11.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 220 km/hour |
| Acceleration 0-100mph | 5 seconds | 7.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1719 kg |
| Vehicle Length | 4120 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1810 mm |
| Vehicle Height | 1310 mm | 1600 mm |
| Wheelbase Size | 2500 mm | 2810 mm |
| Fuel Consumption Overall | 12.1 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 55 L | 82 L |
