2003 BMW 545 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 10 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (439 HP @ 6000 RPM) has 111 more horse power than 2003 BMW 545. (328 HP @ 6100 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2003 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 234 kg more than 2003 BMW 545. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW 6 series (651 Nm @ 4500 RPM) has 201 more torque (in Nm) than 2003 BMW 545. (450 Nm @ 3600 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 545. 2013 BMW 6 series has automatic transmission and 2003 BMW 545 has manual transmission. 2003 BMW 545 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 6 series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 545 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 545 | 6 series |
| Year Released | 2003 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 439 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 651 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 82.7 mm | 89 mm |
| Engine Compression Ratio | 10.0:1 | 10.0 :1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 4.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1705 kg | 1939 kg |
| Vehicle Length | 4850 mm | 5009 mm |
| Vehicle Width | 1850 mm | 2081 mm |
| Vehicle Height | 1470 mm | 1392 mm |
| Wheelbase Size | 2840 mm | 2968 mm |
| Fuel Consumption Highway | 7.9 L/100km | 7.1 L/100km |
| Fuel Consumption City | 16.3 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
