1984 Audi 90 vs. 2009 BMW 650
To start off, 2009 BMW 650 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 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 248 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 359 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 BMW 650 (491 Nm @ 3900 RPM) has 323 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 2009 BMW 650 | |
| Make | Audi | BMW |
| Model | 90 | 650 |
| Year Released | 1984 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 4799 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 362 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Torque | 168 Nm | 491 Nm |
| Torque RPM | 3200 RPM | 3900 RPM |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 77.4 mm | 82.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1056 kg | 1415 kg |
| Vehicle Length | 4470 mm | 4830 mm |
| Vehicle Width | 1690 mm | 1380 mm |
| Vehicle Height | 1370 mm | 1860 mm |
| Wheelbase Size | 2550 mm | 2790 mm |
