1994 BMW 840 vs. 2007 BMW 550
To start off, 2007 BMW 550 is newer by 13 year(s). Which means there will be less support and parts availability for 1994 BMW 840. In addition, the cost of maintenance, including insurance, on 1994 BMW 840 would be higher. At 4,797 cc, 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (657 HP @ 3400 RPM) has 375 more horse power than 1994 BMW 840. (282 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 1994 BMW 840. With that said, vehicle weight also plays an important factor in acceleration. 1994 BMW 840 weights approximately 80 kg more than 2007 BMW 550.
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, 2007 BMW 550 (490 Nm @ 3400 RPM) has 90 more torque (in Nm) than 1994 BMW 840. (400 Nm @ 5100 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1994 BMW 840.
Compare all specifications:
| 1994 BMW 840 | 2007 BMW 550 | |
| Make | BMW | BMW |
| Model | 840 | 550 |
| Year Released | 1994 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3982 cc | 4797 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 657 HP |
| Engine RPM | 5800 RPM | 3400 RPM |
| Torque | 400 Nm | 490 Nm |
| Torque RPM | 5100 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1740 kg | 1660 kg |
| Vehicle Length | 4790 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1470 mm |
| Vehicle Height | 1350 mm | 1850 mm |
| Wheelbase Size | 2690 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 70 L |
