2001 Audi A4 vs. 2001 Infiniti Q45
To start off, both 2001 Audi A4 and 2001 Infiniti Q45 were released in the same year (2001). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,129 cc (8 cylinders), 2001 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2001 Infiniti Q45 (265 HP @ 5600 RPM) has 18 more horse power than 2001 Audi A4. (247 HP @ 6300 RPM) In normal driving conditions, 2001 Infiniti Q45 should accelerate faster than 2001 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Infiniti Q45 weights approximately 146 kg more than 2001 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2001 Audi A4 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, 2001 Infiniti Q45 (378 Nm @ 4000 RPM) has 58 more torque (in Nm) than 2001 Audi A4. (320 Nm @ 3200 RPM). This means 2001 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A4.
Compare all specifications:
| 2001 Audi A4 | 2001 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | A4 | Q45 |
| Year Released | 2001 | 2001 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4129 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 265 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 320 Nm | 378 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 76 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1614 kg | 1760 kg |
| Vehicle Length | 4550 mm | 5070 mm |
| Vehicle Width | 1770 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 66 L | 60 L |
