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2009 Cadillac BLS vs. 2006 Cadillac STS

To start off, 2009 Cadillac BLS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 69 more horse power than 2009 Cadillac BLS. (252 HP @ 5500 RPM) In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2009 Cadillac BLS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 183 kg more than 2009 Cadillac BLS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2006 Cadillac STS 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 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2009 Cadillac BLS, 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 Cadillac STS (427 Nm @ 4400 RPM) has 62 more torque (in Nm) than 2009 Cadillac BLS. (365 Nm @ 1800 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac BLS. 2006 Cadillac STS has automatic transmission and 2009 Cadillac BLS has manual transmission. 2009 Cadillac BLS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.

Compare all specifications:

2009 Cadillac BLS 2006 Cadillac STS
Make Cadillac Cadillac
Year Released 2009 2006
Body Type Sedan Sedan
Engine Position Front Front
Engine Size 2792 cc 4565 cc
Engine Cylinders 6 cylinders 8 cylinders
Engine Type V V
Valves per Cylinder 4 valves 4 valves
Horse Power 252 HP 321 HP
Engine RPM 5500 RPM 6400 RPM
Torque 365 Nm 427 Nm
Torque RPM 1800 RPM 4400 RPM
Engine Bore Size 89.1 mm 93 mm
Engine Stroke Size 74.8 mm 84 mm
Engine Compression Ratio 9.5:1 10.5:1
Fuel Type Gasoline - Premium Gasoline - Premium
Acceleration 0-100mph 7 seconds 6.2 seconds
Drive Type Front Rear
Transmission Type Manual Automatic
Number of Seats 5 seats 5 seats
Number of Doors 4 doors 4 doors
Vehicle Weight 1635 kg 1818 kg
Vehicle Length 4690 mm 4990 mm
Vehicle Width 1760 mm 1850 mm
Vehicle Height 1480 mm 1470 mm
Wheelbase Size 2680 mm 2960 mm
Fuel Consumption Overall 10.2 L/100km 14.5 L/100km
Fuel Tank Capacity 58 L 66 L


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