2007 BMW Z4 vs. 1997 Infiniti Q45
To start off, 2007 BMW Z4 is newer by 10 year(s). Which means there will be less support and parts availability for 1997 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1997 Infiniti Q45 would be higher. At 4,130 cc (8 cylinders), 1997 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1997 Infiniti Q45 (265 HP @ 5600 RPM) has 50 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 1997 Infiniti Q45 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1997 Infiniti Q45 weights approximately 397 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1997 Infiniti Q45 (378 Nm @ 4000 RPM) has 128 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 1997 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 1997 Infiniti Q45 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. 1997 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 1997 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | Z4 | Q45 |
| Year Released | 2007 | 1997 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4130 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 265 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 250 Nm | 378 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1362 kg | 1759 kg |
| Vehicle Length | 4100 mm | 5070 mm |
| Vehicle Width | 1310 mm | 1830 mm |
| Vehicle Height | 1790 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 60 L |
