1986 BMW 325 vs. 2013 Mercedes-Benz M
To start off, 2013 Mercedes-Benz M is newer by 27 year(s). Which means there will be less support and parts availability for 1986 BMW 325. In addition, the cost of maintenance, including insurance, on 1986 BMW 325 would be higher. At 4,600 cc (8 cylinders), 2013 Mercedes-Benz M is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz M (397 HP @ 5000 RPM) has 271 more horse power than 1986 BMW 325. (126 HP @ 4800 RPM) In normal driving conditions, 2013 Mercedes-Benz M should accelerate faster than 1986 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz M weights approximately 1128 kg more than 1986 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Mercedes-Benz M is four wheel drive (4WD), it will have significant more traction and grip than 1986 BMW 325. In wet, icy, snow, or gravel driving conditions, 2013 Mercedes-Benz M 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, 2013 Mercedes-Benz M (601 Nm @ 4750 RPM) has 371 more torque (in Nm) than 1986 BMW 325. (230 Nm @ 3200 RPM). This means 2013 Mercedes-Benz M will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 325.
Compare all specifications:
| 1986 BMW 325 | 2013 Mercedes-Benz M | |
| Make | BMW | Mercedes-Benz |
| Model | 325 | M |
| Year Released | 1986 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2693 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | electric |
| Horse Power | 126 HP | 397 HP |
| Engine RPM | 4800 RPM | 5000 RPM |
| Torque | 230 Nm | 601 Nm |
| Torque RPM | 3200 RPM | 4750 RPM |
| Engine Bore Size | 84.1 mm | 92 mm |
| Engine Stroke Size | 81 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Acceleration 0-100mph | 9.6 seconds | 5.6 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 2288 kg |
| Vehicle Length | 4330 mm | 4804 mm |
| Vehicle Width | 1650 mm | 2141 mm |
| Vehicle Height | 1390 mm | 1796 mm |
| Wheelbase Size | 2580 mm | 2915 mm |
