1992 BMW 540 vs. 2009 BMW 635
To start off, 2009 BMW 635 is newer by 17 year(s). Which means there will be less support and parts availability for 1992 BMW 540. In addition, the cost of maintenance, including insurance, on 1992 BMW 540 would be higher. At 3,980 cc (8 cylinders), 1992 BMW 540 is equipped with a bigger engine. In terms of performance, both vehicles can yield 282 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 635 weights approximately 75 kg more than 1992 BMW 540.
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 635 (581 Nm @ 1750 RPM) has 181 more torque (in Nm) than 1992 BMW 540. (400 Nm @ 5100 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 1992 BMW 540.
Compare all specifications:
| 1992 BMW 540 | 2009 BMW 635 | |
| Make | BMW | BMW |
| Model | 540 | 635 |
| Year Released | 1992 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3980 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 282 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 400 Nm | 581 Nm |
| Torque RPM | 5100 RPM | 1750 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 80 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1725 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Tank Capacity | 65 L | 70 L |
