1981 BMW 520 vs. 2006 BMW 325
To start off, 2006 BMW 325 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 3,001 cc, 2006 BMW 325 is equipped with a bigger engine. In terms of performance, 2006 BMW 325 (215 HP @ 6250 RPM) has 92 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 325 should accelerate faster than 1981 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 325 weights approximately 615 kg more than 1981 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 520. In wet, icy, snow, or gravel driving conditions, 2006 BMW 325 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 325 (251 Nm @ 2750 RPM) has 81 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 2006 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520.
Compare all specifications:
1981 BMW 520 | 2006 BMW 325 | |
Make | BMW | BMW |
Model | 520 | 325 |
Year Released | 1981 | 2006 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 1991 cc | 3001 cc |
Horse Power | 123 HP | 215 HP |
Engine RPM | 5800 RPM | 6250 RPM |
Torque | 170 Nm | 251 Nm |
Torque RPM | 4000 RPM | 2750 RPM |
Engine Bore Size | 80 mm | 85.1 mm |
Engine Stroke Size | 66 mm | 87.9 mm |
Engine Compression Ratio | 9.8:1 | 10.7:1 |
Top Speed | 185 km/hour | 209 km/hour |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1220 kg | 1835 kg |
Vehicle Length | 4630 mm | 4530 mm |
Vehicle Width | 1710 mm | 1820 mm |
Vehicle Height | 1430 mm | 1420 mm |
Wheelbase Size | 2630 mm | 2770 mm |
Fuel Tank Capacity | 70 L | 67 L |