2009 BMW 635 vs. 1998 Buick Century
To start off, 2009 BMW 635 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Buick Century. In addition, the cost of maintenance, including insurance, on 1998 Buick Century would be higher. At 3,135 cc (6 cylinders), 1998 Buick Century is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 117 more horse power than 1998 Buick Century. (165 HP @ 5200 RPM). In normal driving conditions, 2009 BMW 635 should accelerate faster than 1998 Buick Century. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 635 weights approximately 205 kg more than 1998 Buick Century. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 635 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 635. However, in wet, icy, snow, or gravel driving conditions, 1998 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, 2009 BMW 635 (581 Nm @ 1750 RPM) has 330 more torque (in Nm) than 1998 Buick Century. (251 Nm @ 4000 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 1998 Buick Century.
Compare all specifications:
| 2009 BMW 635 | 1998 Buick Century | |
| Make | BMW | Buick |
| Model | 635 | Century |
| Year Released | 2009 | 1998 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3135 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 282 HP | 165 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Torque | 581 Nm | 251 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1725 kg | 1520 kg |
| Vehicle Length | 4830 mm | 4950 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2790 mm | 2780 mm |
| Fuel Consumption Overall | 7.2 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
