2009 BMW 325 vs. 1985 BMW M5
To start off, 2009 BMW 325 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 BMW M5. In addition, the cost of maintenance, including insurance, on 1985 BMW M5 would be higher. At 3,453 cc (6 cylinders), 1985 BMW M5 is equipped with a bigger engine. In terms of performance, 1985 BMW M5 (256 HP @ 4800 RPM) has 41 more horse power than 2009 BMW 325. (215 HP @ 6100 RPM) In normal driving conditions, 1985 BMW M5 should accelerate faster than 2009 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 325 weights approximately 115 kg more than 1985 BMW M5.
Because 2009 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 1985 BMW M5. In wet, icy, snow, or gravel driving conditions, 2009 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, 1985 BMW M5 (290 Nm @ 4500 RPM) has 20 more torque (in Nm) than 2009 BMW 325. (270 Nm @ 2400 RPM). This means 1985 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325.
Compare all specifications:
| 2009 BMW 325 | 1985 BMW M5 | |
| Make | BMW | BMW |
| Model | 325 | M5 |
| Year Released | 2009 | 1985 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3453 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 256 HP |
| Engine RPM | 6100 RPM | 4800 RPM |
| Torque | 270 Nm | 290 Nm |
| Torque RPM | 2400 RPM | 4500 RPM |
| Engine Bore Size | 85 mm | 91.9 mm |
| Engine Stroke Size | 88 mm | 86.1 mm |
| Engine Compression Ratio | 12.0:1 | 8.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 244 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1500 kg |
| Vehicle Length | 4530 mm | 4630 mm |
| Vehicle Width | 1820 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2770 mm | 2580 mm |
| Fuel Consumption Overall | 7.9 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
