1981 Audi 80 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 25 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 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 192 more horse power than 1981 Audi 80. (136 HP @ 5900 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1981 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 646 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 2006 BMW 645. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 274 more torque (in Nm) than 1981 Audi 80. (176 Nm @ 4500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 80.
Compare all specifications:
1981 Audi 80 | 2006 BMW 645 | |
Make | Audi | BMW |
Model | 80 | 645 |
Year Released | 1981 | 2006 |
Engine Position | Front | Front |
Engine Size | 2144 cc | 4398 cc |
Engine Cylinders | 5 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 136 HP | 328 HP |
Engine RPM | 5900 RPM | 6100 RPM |
Torque | 176 Nm | 450 Nm |
Torque RPM | 4500 RPM | 3600 RPM |
Engine Bore Size | 79.5 mm | 92 mm |
Engine Stroke Size | 86.4 mm | 83 mm |
Engine Compression Ratio | 9.3:1 | 10.0:1 |
Top Speed | 193 km/hour | 250 km/hour |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1190 kg | 1836 kg |
Vehicle Length | 4390 mm | 4830 mm |
Vehicle Width | 1690 mm | 1860 mm |
Vehicle Height | 1360 mm | 1380 mm |
Wheelbase Size | 2550 mm | 2790 mm |