2008 BMW X3 vs. 2008 BMW 545
To start off, both 2008 BMW X3 and 2008 BMW 545 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,397 cc (8 cylinders), 2008 BMW 545 is equipped with a bigger engine. In terms of performance, 2008 BMW 545 (328 HP @ 6100 RPM) has 100 more horse power than 2008 BMW X3. (228 HP @ 5900 RPM) In normal driving conditions, 2008 BMW 545 should accelerate faster than 2008 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 399 kg more than 2008 BMW 545.
Because 2008 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 545. In wet, icy, snow, or gravel driving conditions, 2008 BMW X3 will offer significantly more control. 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, 2008 BMW 545 (450 Nm @ 3600 RPM) has 150 more torque (in Nm) than 2008 BMW X3. (300 Nm @ 3500 RPM). This means 2008 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X3. 2008 BMW X3 has automatic transmission and 2008 BMW 545 has manual transmission. 2008 BMW 545 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X3 | 2008 BMW 545 | |
| Make | BMW | BMW |
| Model | X3 | 545 |
| Year Released | 2008 | 2008 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 328 HP |
| Engine RPM | 5900 RPM | 6100 RPM |
| Torque | 300 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 205 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10 seconds | 5.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2104 kg | 1705 kg |
| Vehicle Length | 4670 mm | 4850 mm |
| Vehicle Width | 1710 mm | 1850 mm |
| Vehicle Height | 1880 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2890 mm |
| Fuel Consumption Overall | 14.5 L/100km | 11 L/100km |
| Fuel Tank Capacity | 67 L | 70 L |
