1986 BMW 325 vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 23 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 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 236 more horse power than 1986 BMW 325. (126 HP @ 4800 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 1986 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 650 weights approximately 365 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.
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, 2009 BMW 650 (490 Nm @ 3400 RPM) has 260 more torque (in Nm) than 1986 BMW 325. (230 Nm @ 3200 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 325. 2009 BMW 650 has automatic transmission and 1986 BMW 325 has manual transmission. 1986 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 BMW 325 | 2009 BMW 650 | |
| Make | BMW | BMW |
| Model | 325 | 650 |
| Year Released | 1986 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2693 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 126 HP | 362 HP |
| Engine RPM | 4800 RPM | 6300 RPM |
| Torque | 230 Nm | 490 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Bore Size | 84.1 mm | 92 mm |
| Engine Stroke Size | 81 mm | 82.7 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Acceleration 0-100mph | 9.6 seconds | 5.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1525 kg |
| Vehicle Length | 4330 mm | 4830 mm |
| Vehicle Width | 1650 mm | 1380 mm |
| Vehicle Height | 1390 mm | 1860 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
| Fuel Tank Capacity | 55 L | 70 L |
