2001 BMW Z18 vs. 1991 Infiniti Q45
To start off, 2001 BMW Z18 is newer by 10 year(s). Which means there will be less support and parts availability for 1991 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1991 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 1991 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2001 BMW Z18 (323 HP @ 7400 RPM) has 46 more horse power than 1991 Infiniti Q45. (277 HP @ 6000 RPM). In normal driving conditions, 2001 BMW Z18 should accelerate faster than 1991 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1991 Infiniti Q45 weights approximately 50 kg more than 2001 BMW Z18.
Because 2001 BMW Z18 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2001 BMW Z18 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, 1991 Infiniti Q45 (397 Nm) has 57 more torque (in Nm) than 2001 BMW Z18. (340 Nm). This means 1991 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW Z18.
Compare all specifications:
| 2001 BMW Z18 | 1991 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | Z18 | Q45 |
| Year Released | 2001 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4400 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 323 HP | 277 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 340 Nm | 397 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1700 kg | 1750 kg |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 72 L |
