2009 Audi Q7 vs. 1984 Audi 90
To start off, 2009 Audi Q7 is newer by 25 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 4,132 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 208 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1364 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, 2009 Audi Q7 (760 Nm @ 1800 RPM) has 592 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 2009 Audi Q7 | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | Q7 | 90 |
| Year Released | 2009 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4132 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 114 HP |
| Engine RPM | 3750 RPM | 5700 RPM |
| Torque | 760 Nm | 168 Nm |
| Torque RPM | 1800 RPM | 3200 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 77.4 mm |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 2420 kg | 1056 kg |
| Vehicle Length | 5090 mm | 4470 mm |
| Vehicle Width | 1990 mm | 1690 mm |
| Vehicle Height | 1780 mm | 1370 mm |
| Wheelbase Size | 3010 mm | 2550 mm |
