1985 BMW 325 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 27 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 2,993 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (311 HP @ 4400 RPM) has 191 more horse power than 1985 BMW 325. (120 HP @ 4250 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 1985 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 628 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, 2012 BMW 640 (630 Nm @ 1500 RPM) has 400 more torque (in Nm) than 1985 BMW 325. (230 Nm @ 3250 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 1985 BMW 325. 2012 BMW 640 has automatic transmission and 1985 BMW 325 has manual transmission. 1985 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 640 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 BMW 325 | 2012 BMW 640 | |
| Make | BMW | BMW |
| Model | 325 | 640 |
| Year Released | 1985 | 2012 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2693 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 311 HP |
| Engine RPM | 4250 RPM | 4400 RPM |
| Torque | 230 Nm | 630 Nm |
| Torque RPM | 3250 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 81 mm | 84 mm |
| Top Speed | 195 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1162 kg | 1790 kg |
| Vehicle Length | 4330 mm | 4894 mm |
| Vehicle Width | 1650 mm | 1894 mm |
| Vehicle Height | 1390 mm | 1369 mm |
| Wheelbase Size | 2630 mm | 2855 mm |
| Fuel Consumption Highway | 7.8 L/100km | 4.8 L/100km |
| Fuel Consumption City | 11.4 L/100km | 6.7 L/100km |
| Fuel Consumption Overall | 6.5 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
