2007 BMW X3 vs. 1999 Mercedes-Benz SLK
To start off, 2007 BMW X3 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz SLK would be higher. At 3,199 cc (6 cylinders), 1999 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz SLK (215 HP @ 5700 RPM) has 66 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM) In normal driving conditions, 1999 Mercedes-Benz SLK should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 410 kg more than 1999 Mercedes-Benz SLK.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X3 (330 Nm @ 2000 RPM) has 14 more torque (in Nm) than 1999 Mercedes-Benz SLK. (316 Nm @ 3000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SLK.
Compare all specifications:
| 2007 BMW X3 | 1999 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | SLK |
| Year Released | 2007 | 1999 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3199 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 149 HP | 215 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 330 Nm | 316 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 89.9 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1330 kg |
| Vehicle Length | 4570 mm | 4000 mm |
| Vehicle Width | 1680 mm | 1720 mm |
| Vehicle Height | 1860 mm | 1280 mm |
| Wheelbase Size | 2800 mm | 2410 mm |
| Fuel Tank Capacity | 67 L | 60 L |
