2009 BMW Z4 vs. 1989 Infiniti Q45
To start off, 2009 BMW Z4 is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1989 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 1989 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 58 more horse power than 1989 Infiniti Q45. (277 HP @ 6000 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1989 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1989 Infiniti Q45 weights approximately 440 kg more than 2009 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1989 Infiniti Q45 (396 Nm @ 4000 RPM) has 81 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 1989 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 1989 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | Z4 | Q45 |
| Year Released | 2009 | 1989 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 277 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 315 Nm | 396 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Compression Ratio | 12.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1750 kg |
| Vehicle Length | 4100 mm | 5080 mm |
| Vehicle Width | 1790 mm | 1830 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
| Fuel Tank Capacity | 55 L | 72 L |
