2006 BMW 630 vs. 2005 Buick Century

To start off, 2006 BMW 630 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Buick Century. In addition, the cost of maintenance, including insurance, on 2005 Buick Century would be higher. At 3,135 cc (6 cylinders), 2005 Buick Century is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 78 more horse power than 2005 Buick Century. (176 HP @ 5200 RPM). In normal driving conditions, 2006 BMW 630 should accelerate faster than 2005 Buick Century. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 240 kg more than 2005 Buick Century. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2006 BMW 630 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 2006 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2006 BMW 630 (300 Nm @ 2500 RPM) has 36 more torque (in Nm) than 2005 Buick Century. (264 Nm @ 4000 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Century. 2005 Buick Century has automatic transmission and 2006 BMW 630 has manual transmission. 2006 BMW 630 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Buick Century will be easier to drive especially in heavy traffic.

Compare all specifications:

2006 BMW 630 2005 Buick Century
Make BMW Buick
Model 630 Century
Year Released 2006 2005
Body Type Convertible Sedan
Engine Position Front Front
Engine Size 2996 cc 3135 cc
Engine Cylinders 6 cylinders 6 cylinders
Engine Type in-line V
Valves per Cylinder 4 valves 2 valves
Horse Power 254 HP 176 HP
Engine RPM 6600 RPM 5200 RPM
Torque 300 Nm 264 Nm
Torque RPM 2500 RPM 4000 RPM
Engine Bore Size 85 mm 89 mm
Engine Stroke Size 88 mm 84 mm
Engine Compression Ratio 10.7:1 9.6:1
Fuel Type Gasoline - Premium Gasoline
Drive Type Rear Front
Transmission Type Manual Automatic
Number of Seats 4 seats 5 seats
Number of Doors 2 doors 4 doors
Vehicle Weight 1760 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 9.6 L/100km 9.8 L/100km
Fuel Tank Capacity 70 L 64 L


 

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