1984 Audi 90 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 24 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 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 199 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 225 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 175 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 2008 BMW Z4 | |
| Make | Audi | BMW |
| Model | 90 | Z4 |
| Year Released | 1984 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 3246 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 139 HP | 338 HP |
| Engine RPM | 5700 RPM | 7900 RPM |
| Torque | 190 Nm | 365 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Engine Bore Size | 81 mm | 91 mm |
| Engine Stroke Size | 86.4 mm | 87 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1260 kg | 1485 kg |
| Vehicle Length | 4470 mm | 4870 mm |
| Vehicle Height | 1370 mm | 1480 mm |
| Wheelbase Size | 2550 mm | 2500 mm |
