2009 Audi A6 vs. 1981 BMW M1
To start off, 2009 Audi A6 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 BMW M1. In addition, the cost of maintenance, including insurance, on 1981 BMW M1 would be higher. At 3,453 cc (6 cylinders), 1981 BMW M1 is equipped with a bigger engine. In terms of performance, 1981 BMW M1 (273 HP @ 6500 RPM) has 95 more horse power than 2009 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 1981 BMW M1 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW M1 weights approximately 140 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW M1. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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 Audi A6 (380 Nm @ 1400 RPM) has 50 more torque (in Nm) than 1981 BMW M1. (330 Nm @ 5000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW M1.
Compare all specifications:
| 2009 Audi A6 | 1981 BMW M1 | |
| Make | Audi | BMW |
| Model | A6 | M1 |
| Year Released | 2009 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2698 cc | 3453 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 273 HP |
| Engine RPM | 3300 RPM | 6500 RPM |
| Torque | 380 Nm | 330 Nm |
| Torque RPM | 1400 RPM | 5000 RPM |
| Engine Bore Size | 83 mm | 93.5 mm |
| Engine Stroke Size | 83.1 mm | 84 mm |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Acceleration 0-100mph | 8.9 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1300 kg |
| Vehicle Length | 4920 mm | 4370 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1140 mm |
| Wheelbase Size | 2850 mm | 2570 mm |
| Fuel Tank Capacity | 80 L | 116 L |
