1985 BMW M5 vs. 2006 BMW 325
To start off, 2006 BMW 325 is newer by 21 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 72 more horse power than 2006 BMW 325. (184 HP @ 6000 RPM). In normal driving conditions, 1985 BMW M5 should accelerate faster than 2006 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 325 weights approximately 115 kg more than 1985 BMW M5.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 53 more torque (in Nm) than 2006 BMW 325. (237 Nm @ 3500 RPM). This means 1985 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 325.
Compare all specifications:
| 1985 BMW M5 | 2006 BMW 325 | |
| Make | BMW | BMW |
| Model | M5 | 325 |
| Year Released | 1985 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 2491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 256 HP | 184 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 290 Nm | 237 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 91.9 mm | 84 mm |
| Engine Stroke Size | 86.1 mm | 75 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1500 kg | 1615 kg |
| Vehicle Length | 4630 mm | 4490 mm |
| Vehicle Width | 1710 mm | 1760 mm |
| Vehicle Height | 1410 mm | 1380 mm |
| Wheelbase Size | 2580 mm | 2730 mm |
| Fuel Consumption Highway | 9.7 L/100km | 8.7 L/100km |
| Fuel Consumption City | 16.5 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
