1994 BMW 740 vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 13 year(s). Which means there will be less support and parts availability for 1994 BMW 740. In addition, the cost of maintenance, including insurance, on 1994 BMW 740 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 46 more horse power than 1994 BMW 740. (282 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 1994 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 1994 BMW 740 weights approximately 2 kg more than 2007 BMW 645.
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 645 (450 Nm @ 3600 RPM) has 50 more torque (in Nm) than 1994 BMW 740. (400 Nm @ 5100 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1994 BMW 740.
Compare all specifications:
| 1994 BMW 740 | 2007 BMW 645 | |
| Make | BMW | BMW |
| Model | 740 | 645 |
| Year Released | 1994 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3982 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 282 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 400 Nm | 450 Nm |
| Torque RPM | 5100 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1692 kg | 1690 kg |
| Vehicle Length | 5130 mm | 4830 mm |
| Vehicle Width | 1870 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2940 mm | 2790 mm |
| Fuel Tank Capacity | 63 L | 70 L |
