1984 Audi 90 vs. 2002 Infiniti Q45
To start off, 2002 Infiniti Q45 is newer by 18 year(s). Which means there will be less support and parts availability for 1984 Audi 90. In addition, the cost of maintenance, including insurance, on 1984 Audi 90 would be higher. At 4,493 cc (8 cylinders), 2002 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2002 Infiniti Q45 (288 HP @ 6000 RPM) has 149 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM) In normal driving conditions, 2002 Infiniti Q45 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti Q45 weights approximately 510 kg more than 1984 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2002 Infiniti Q45 (396 Nm @ 4000 RPM) has 206 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 2002 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 2002 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | 90 | Q45 |
| Year Released | 1984 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 4493 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 139 HP | 288 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 190 Nm | 396 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1260 kg | 1770 kg |
| Vehicle Length | 4470 mm | 5080 mm |
| Vehicle Width | 1690 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1500 mm |
| Wheelbase Size | 2550 mm | 2880 mm |
