2004 Buick Century vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Buick Century. In addition, the cost of maintenance, including insurance, on 2004 Buick Century would be higher. At 3,134 cc (6 cylinders), 2004 Buick Century is equipped with a bigger engine. In terms of performance, both vehicles can yield 176 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Century weights approximately 175 kg more than 2009 BMW Z4.
Because 2009 BMW Z4 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 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2004 Buick Century, 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, 2004 Buick Century (264 Nm @ 4000 RPM) has 34 more torque (in Nm) than 2009 BMW Z4. (230 Nm @ 3500 RPM). This means 2004 Buick Century will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2004 Buick Century | 2009 BMW Z4 | |
| Make | Buick | BMW |
| Model | Century | Z4 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3134 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 176 HP | 176 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 264 Nm | 230 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 82 mm |
| Engine Stroke Size | 84 mm | 78.8 mm |
| Engine Compression Ratio | 9.6:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1345 kg |
| Vehicle Length | 4950 mm | 4100 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1310 mm |
| Wheelbase Size | 2780 mm | 2500 mm |
| Fuel Consumption Overall | 9.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 64 L | 55 L |
