1984 Audi 90 vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 26 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 2,226 cc (5 cylinders), 1984 Audi 90 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (182 HP @ 5000 RPM) has 43 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW Z4 weights approximately 220 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, 2010 BMW Z4 (270 Nm @ 1250 RPM) has 80 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 2010 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 | 2010 BMW Z4 | |
| Make | Audi | BMW |
| Model | 90 | Z4 |
| Year Released | 1984 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1997 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 139 HP | 182 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 190 Nm | 270 Nm |
| Torque RPM | 3500 RPM | 1250 RPM |
| Engine Bore Size | 81 mm | 90.1 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1260 kg | 1480 kg |
| Vehicle Length | 4470 mm | 4239 mm |
| Vehicle Width | 1690 mm | 1791 mm |
| Vehicle Height | 1370 mm | 1290 mm |
| Wheelbase Size | 2550 mm | 2497 mm |
