1981 Audi 80 vs. 2009 BMW M3
To start off, 2009 BMW M3 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Audi 80. In addition, the cost of maintenance, including insurance, on 1981 Audi 80 would be higher. At 3,999 cc (8 cylinders), 2009 BMW M3 is equipped with a bigger engine. In terms of performance, 2009 BMW M3 (414 HP @ 8300 RPM) has 278 more horse power than 1981 Audi 80. (136 HP @ 5900 RPM) In normal driving conditions, 2009 BMW M3 should accelerate faster than 1981 Audi 80.
Because 1981 Audi 80 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M3. In wet, icy, snow, or gravel driving conditions, 1981 Audi 80 will offer significantly more control. 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 M3 (400 Nm @ 3900 RPM) has 224 more torque (in Nm) than 1981 Audi 80. (176 Nm @ 4500 RPM). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 80.
Compare all specifications:
| 1981 Audi 80 | 2009 BMW M3 | |
| Make | Audi | BMW |
| Model | 80 | M3 |
| Year Released | 1981 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 3999 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 136 HP | 414 HP |
| Engine RPM | 5900 RPM | 8300 RPM |
| Torque | 176 Nm | 400 Nm |
| Torque RPM | 4500 RPM | 3900 RPM |
| Engine Bore Size | 79.5 mm | 92.1 mm |
| Engine Stroke Size | 86.4 mm | 75.2 mm |
| Engine Compression Ratio | 9.3:1 | 12.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4390 mm | 4590 mm |
| Vehicle Width | 1690 mm | 1450 mm |
| Vehicle Height | 1360 mm | 1760 mm |
| Wheelbase Size | 2550 mm | 2770 mm |
