1986 BMW 325 vs. 2006 BMW 630
To start off, 2006 BMW 630 is newer by 20 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 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 83 more horse power than 1986 BMW 325. (171 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 630 should accelerate faster than 1986 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 311 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, 2006 BMW 630 (300 Nm @ 2500 RPM) has 74 more torque (in Nm) than 1986 BMW 325. (226 Nm @ 4000 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 325. 2006 BMW 630 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. 2006 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 BMW 325 | 2006 BMW 630 | |
| Make | BMW | BMW |
| Model | 325 | 630 |
| Year Released | 1986 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 254 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 226 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Compression Ratio | 9.7:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1255 kg | 1566 kg |
| Vehicle Length | 4330 mm | 4830 mm |
| Vehicle Width | 1650 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2630 mm | 2790 mm |
| Fuel Tank Capacity | 90 L | 70 L |
