2008 BMW X3 vs. 2012 Mercedes-Benz SL
To start off, 2012 Mercedes-Benz SL is newer by 4 year(s). Which means there will be less support and parts availability for 2008 BMW X3. In addition, the cost of maintenance, including insurance, on 2008 BMW X3 would be higher. At 3,498 cc (6 cylinders), 2012 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz SL (311 HP @ 6500 RPM) has 51 more horse power than 2008 BMW X3. (260 HP @ 6600 RPM) In normal driving conditions, 2012 Mercedes-Benz SL should accelerate faster than 2008 BMW X3.
Because 2008 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2012 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 BMW X3 will offer significantly more control. 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, 2012 Mercedes-Benz SL (360 Nm @ 4900 RPM) has 55 more torque (in Nm) than 2008 BMW X3. (305 Nm @ 2750 RPM). This means 2012 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X3. 2012 Mercedes-Benz SL has automatic transmission and 2008 BMW X3 has manual transmission. 2008 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Mercedes-Benz SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X3 | 2012 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | SL |
| Year Released | 2008 | 2012 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 311 HP |
| Engine RPM | 6600 RPM | 6500 RPM |
| Torque | 305 Nm | 360 Nm |
| Torque RPM | 2750 RPM | 4900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4580 mm | 4582 mm |
| Vehicle Height | 1680 mm | 1298 mm |
| Wheelbase Size | 2800 mm | 2560 mm |
| Fuel Tank Capacity | 67 L | 80 L |
