1975 Audi 80 vs. 2009 BMW M5
To start off, 2009 BMW M5 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Audi 80. In addition, the cost of maintenance, including insurance, on 1975 Audi 80 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 425 more horse power than 1975 Audi 80. (75 HP @ 5500 RPM) In normal driving conditions, 2009 BMW M5 should accelerate faster than 1975 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 924 kg more than 1975 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW M5 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 2009 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 1975 Audi 80, 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 408 more torque (in Nm) than 1975 Audi 80. (112 Nm @ 3200 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1975 Audi 80. 2009 BMW M5 has automatic transmission and 1975 Audi 80 has manual transmission. 1975 Audi 80 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Audi 80 | 2009 BMW M5 | |
| Make | Audi | BMW |
| Model | 80 | M5 |
| Year Released | 1975 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 4999 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 500 HP |
| Engine RPM | 5500 RPM | 7750 RPM |
| Torque | 112 Nm | 520 Nm |
| Torque RPM | 3200 RPM | 6100 RPM |
| Engine Bore Size | 79.5 mm | 92 mm |
| Engine Stroke Size | 80 mm | 75.2 mm |
| Engine Compression Ratio | 8.2:1 | 12.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 912 kg | 1836 kg |
| Vehicle Length | 4390 mm | 4860 mm |
| Vehicle Width | 1690 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1480 mm |
| Wheelbase Size | 2550 mm | 2900 mm |
| Fuel Tank Capacity | 60 L | 70 L |
