2008 BMW X3 vs. 2013 Mercedes-Benz SL
To start off, 2013 Mercedes-Benz SL is newer by 5 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 5,500 cc (8 cylinders), 2013 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SL (523 HP @ 5500 RPM) has 334 more horse power than 2008 BMW X3. (189 HP @ 6000 RPM) In normal driving conditions, 2013 Mercedes-Benz SL should accelerate faster than 2008 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz SL weights approximately 80 kg more than 2008 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2013 Mercedes-Benz SL (800 Nm @ 4500 RPM) has 555 more torque (in Nm) than 2008 BMW X3. (245 Nm @ 3500 RPM). This means 2013 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X3. 2008 BMW X3 has automatic transmission and 2013 Mercedes-Benz SL has manual transmission. 2013 Mercedes-Benz SL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X3 | 2013 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | SL |
| Year Released | 2008 | 2013 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 2494 cc | 5500 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 523 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 245 Nm | 800 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 98 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 196 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 4.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 4-speed manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1845 kg |
| Vehicle Length | 4870 mm | 4633 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2800 mm | 2585 mm |
