2003 BMW 645 vs. 2004 Volkswagen Passat
To start off, 2004 Volkswagen Passat is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (325 HP @ 6100 RPM) has 155 more horse power than 2004 Volkswagen Passat. (170 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2004 Volkswagen Passat. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 220 kg more than 2004 Volkswagen Passat. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2004 Volkswagen Passat, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 BMW 645 (450 Nm) has 225 more torque (in Nm) than 2004 Volkswagen Passat. (225 Nm). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Volkswagen Passat.
Compare all specifications:
| 2003 BMW 645 | 2004 Volkswagen Passat | |
| Make | BMW | Volkswagen |
| Model | 645 | Passat |
| Year Released | 2003 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1786 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 325 HP | 170 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 450 Nm | 225 Nm |
| Engine Bore Size | 92 mm | 81 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1470 kg |
| Vehicle Length | 4830 mm | 4710 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
| Fuel Consumption Highway | 8.6 L/100km | 7.6 L/100km |
| Fuel Consumption City | 17.2 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 11.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
