1994 BMW 854 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 854. In addition, the cost of maintenance, including insurance, on 1994 BMW 854 would be higher. At 5,378 cc (12 cylinders), 1994 BMW 854 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 5 more horse power than 1994 BMW 854. (323 HP @ 5000 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1994 BMW 854. With that said, vehicle weight also plays an important factor in acceleration. 1994 BMW 854 weights approximately 70 kg more than 2006 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, 1994 BMW 854 (490 Nm @ 3900 RPM) has 40 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 1994 BMW 854 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 1994 BMW 854 | 2006 BMW 645 | |
| Make | BMW | BMW |
| Model | 854 | 645 |
| Year Released | 1994 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5378 cc | 4398 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 323 HP | 328 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 490 Nm | 450 Nm |
| Torque RPM | 3900 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1880 kg | 1810 kg |
| Vehicle Length | 4790 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1350 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 2790 mm |
