1981 Audi 80 vs. 2005 BMW M3
To start off, 2005 BMW M3 is newer by 24 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 3,244 cc (6 cylinders), 2005 BMW M3 is equipped with a bigger engine. In terms of performance, 2005 BMW M3 (320 HP @ 7400 RPM) has 184 more horse power than 1981 Audi 80. (136 HP @ 5900 RPM) In normal driving conditions, 2005 BMW M3 should accelerate faster than 1981 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M3 weights approximately 500 kg more than 1981 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi 80 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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, 2005 BMW M3 (337 Nm) has 161 more torque (in Nm) than 1981 Audi 80. (176 Nm). This means 2005 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 | 2005 BMW M3 | |
| Make | Audi | BMW |
| Model | 80 | M3 |
| Year Released | 1981 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 3244 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 320 HP |
| Engine RPM | 5900 RPM | 7400 RPM |
| Torque | 176 Nm | 337 Nm |
| Engine Bore Size | 79.5 mm | 87 mm |
| Engine Stroke Size | 86.4 mm | 91 mm |
| Engine Compression Ratio | 9.3:1 | 11.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1190 kg | 1690 kg |
| Vehicle Length | 4390 mm | 4500 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1380 mm |
| Wheelbase Size | 2550 mm | 2740 mm |
