1985 BMW 325 vs. 2004 BMW M5
To start off, 2004 BMW M5 is newer by 19 year(s). Which means there will be less support and parts availability for 1985 BMW 325. In addition, the cost of maintenance, including insurance, on 1985 BMW 325 would be higher. At 4,999 cc (10 cylinders), 2004 BMW M5 is equipped with a bigger engine. In terms of performance, 2004 BMW M5 (500 HP @ 7400 RPM) has 380 more horse power than 1985 BMW 325. (120 HP @ 4250 RPM) In normal driving conditions, 2004 BMW M5 should accelerate faster than 1985 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M5 weights approximately 596 kg more than 1985 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 BMW M5 (520 Nm @ 6100 RPM) has 290 more torque (in Nm) than 1985 BMW 325. (230 Nm @ 3250 RPM). This means 2004 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1985 BMW 325.
Compare all specifications:
| 1985 BMW 325 | 2004 BMW M5 | |
| Make | BMW | BMW |
| Model | 325 | M5 |
| Year Released | 1985 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2693 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 120 HP | 500 HP |
| Engine RPM | 4250 RPM | 7400 RPM |
| Torque | 230 Nm | 520 Nm |
| Torque RPM | 3250 RPM | 6100 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 81 mm | 75.2 mm |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Top Speed | 195 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 4.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1162 kg | 1758 kg |
| Vehicle Length | 4330 mm | 4850 mm |
| Vehicle Width | 1650 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2840 mm |
| Fuel Consumption | 7.8 L/100km | 10.2 L/100km |
| Fuel Consumption City | 11.4 L/100km | 22.7 L/100km |
| Fuel Consumption Overall | 6.5 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
