1998 BMW 320 vs. 2003 Infiniti Q45
To start off, 2003 Infiniti Q45 is newer by 5 year(s). Which means there will be less support and parts availability for 1998 BMW 320. In addition, the cost of maintenance, including insurance, on 1998 BMW 320 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 206 more horse power than 1998 BMW 320. (134 HP @ 4000 RPM) In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 1998 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 328 kg more than 1998 BMW 320. 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, 2003 Infiniti Q45 (451 Nm @ 4000 RPM) has 171 more torque (in Nm) than 1998 BMW 320. (280 Nm @ 1750 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 320.
Compare all specifications:
| 1998 BMW 320 | 2003 Infiniti Q45 | |
| Make | BMW | Infiniti |
| Model | 320 | Q45 |
| Year Released | 1998 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 4494 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 134 HP | 340 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 280 Nm | 451 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1476 kg | 1804 kg |
| Vehicle Length | 4480 mm | 5080 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2880 mm |
| Fuel Tank Capacity | 63 L | 81 L |
