1978 Audi 100 vs. 2005 BMW Z4
To start off, 2005 BMW Z4 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 2,489 cc (6 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (184 HP @ 6100 RPM) has 99 more horse power than 1978 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 2005 BMW Z4 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW Z4 weights approximately 285 kg more than 1978 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1978 Audi 100, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 BMW Z4 (237 Nm @ 3500 RPM) has 113 more torque (in Nm) than 1978 Audi 100. (124 Nm @ 3200 RPM). This means 2005 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 2005 BMW Z4 | |
| Make | Audi | BMW |
| Model | 100 | Z4 |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 2489 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 184 HP |
| Engine RPM | 5600 RPM | 6100 RPM |
| Torque | 124 Nm | 237 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 79.5 mm | 84 mm |
| Engine Stroke Size | 80 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1110 kg | 1395 kg |
| Vehicle Length | 4600 mm | 4100 mm |
| Vehicle Width | 1770 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2680 mm | 2500 mm |
| Fuel Tank Capacity | 60 L | 55 L |
