2009 Cadillac BLS vs. 2007 Mercedes-Benz S
To start off, 2009 Cadillac BLS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz S would be higher. At 3,498 cc (6 cylinders), 2007 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz S (268 HP @ 6000 RPM) has 16 more horse power than 2009 Cadillac BLS. (252 HP @ 5500 RPM) In normal driving conditions, 2007 Mercedes-Benz S should accelerate faster than 2009 Cadillac BLS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz S weights approximately 290 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 2007 Mercedes-Benz S 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 2007 Mercedes-Benz S. 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, 2009 Cadillac BLS (365 Nm @ 1800 RPM) has 14 more torque (in Nm) than 2007 Mercedes-Benz S. (351 Nm @ 2400 RPM). This means 2009 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz S. 2007 Mercedes-Benz S 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. 2007 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac BLS | 2007 Mercedes-Benz S | |
| Make | Cadillac | Mercedes-Benz |
| Model | BLS | S |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 268 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 365 Nm | 351 Nm |
| Torque RPM | 1800 RPM | 2400 RPM |
| Engine Bore Size | 89.1 mm | 92.9 mm |
| Engine Stroke Size | 74.8 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7 seconds | 7.3 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 | 1925 kg |
| Vehicle Length | 4690 mm | 5210 mm |
| Vehicle Width | 1760 mm | 1880 mm |
| Vehicle Height | 1480 mm | 1480 mm |
| Wheelbase Size | 2680 mm | 3170 mm |
| Fuel Consumption Overall | 10.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 58 L | 90 L |
