1994 BMW M5 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 12 year(s). Which means there will be less support and parts availability for 1994 BMW M5. In addition, the cost of maintenance, including insurance, on 1994 BMW M5 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 1994 BMW M5 (340 HP @ 4800 RPM) has 12 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 1994 BMW M5 should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 90 kg more than 1994 BMW M5.
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 645 (450 Nm @ 3600 RPM) has 49 more torque (in Nm) than 1994 BMW M5. (401 Nm @ 4750 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1994 BMW M5.
Compare all specifications:
| 1994 BMW M5 | 2006 BMW 645 | |
| Make | BMW | BMW |
| Model | M5 | 645 |
| Year Released | 1994 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3795 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 328 HP |
| Engine RPM | 4800 RPM | 6100 RPM |
| Torque | 401 Nm | 450 Nm |
| Torque RPM | 4750 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 249 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1725 kg | 1815 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2790 mm |
| Fuel Consumption Overall | 8.2 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
