1987 BMW 320 vs. 1985 BMW M5
To start off, 1987 BMW 320 is newer by 2 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 67 more horse power than 1987 BMW 320. (189 HP @ 6900 RPM) In normal driving conditions, 1985 BMW M5 should accelerate faster than 1987 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1985 BMW M5 weights approximately 282 kg more than 1987 BMW 320. 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, 1985 BMW M5 (290 Nm @ 4500 RPM) has 80 more torque (in Nm) than 1987 BMW 320. (210 Nm @ 4900 RPM). This means 1985 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 320.
Compare all specifications:
| 1987 BMW 320 | 1985 BMW M5 | |
| Make | BMW | BMW |
| Model | 320 | M5 |
| Year Released | 1987 | 1985 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 3453 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 256 HP |
| Engine RPM | 6900 RPM | 4800 RPM |
| Torque | 210 Nm | 290 Nm |
| Torque RPM | 4900 RPM | 4500 RPM |
| Engine Bore Size | 93.4 mm | 91.9 mm |
| Engine Stroke Size | 72.7 mm | 86.1 mm |
| Engine Compression Ratio | 10.8:1 | 8.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 231 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 6.1 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 | 1218 kg | 1500 kg |
| Vehicle Length | 4330 mm | 4630 mm |
| Vehicle Width | 1650 mm | 1710 mm |
| Vehicle Height | 1390 mm | 1410 mm |
| Wheelbase Size | 2580 mm | 2580 mm |
| Fuel Tank Capacity | 70 L | 70 L |
