2005 Audi Allroad vs. 1981 BMW 525
To start off, 2005 Audi Allroad is newer by 24 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,671 cc (6 cylinders), 2005 Audi Allroad is equipped with a bigger engine. In terms of performance, 2005 Audi Allroad (250 HP @ 6300 RPM) has 102 more horse power than 1981 BMW 525. (148 HP @ 5500 RPM). In normal driving conditions, 2005 Audi Allroad should accelerate faster than 1981 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi Allroad weights approximately 600 kg more than 1981 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi Allroad is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 525. In wet, icy, snow, or gravel driving conditions, 2005 Audi Allroad 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 Audi Allroad (350 Nm) has 135 more torque (in Nm) than 1981 BMW 525. (215 Nm). This means 2005 Audi Allroad will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 525.
Compare all specifications:
| 2005 Audi Allroad | 1981 BMW 525 | |
| Make | Audi | BMW |
| Model | Allroad | 525 |
| Year Released | 2005 | 1981 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 250 HP | 148 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 350 Nm | 215 Nm |
| Engine Bore Size | 81 mm | 86.1 mm |
| Engine Stroke Size | 86 mm | 71.6 mm |
| Engine Compression Ratio | 9.3:1 | 9.6:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1280 kg |
| Vehicle Length | 4820 mm | 4780 mm |
| Vehicle Width | 1940 mm | 1810 mm |
| Vehicle Height | 1580 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2630 mm |
| Fuel Consumption Highway | 10.7 L/100km | 7.2 L/100km |
| Fuel Consumption City | 14.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
