2003 BMW 320 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 320. In addition, the cost of maintenance, including insurance, on 2003 BMW 320 would be higher. At 3,498 cc (6 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (268 HP @ 5750 RPM) has 118 more horse power than 2003 BMW 320. (150 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2003 BMW 320.
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, 2007 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 160 more torque (in Nm) than 2003 BMW 320. (350 Nm @ 2000 RPM). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 320.
Compare all specifications:
| 2003 BMW 320 | 2007 Mercedes-Benz SLK | |
| Make | BMW | Mercedes-Benz |
| Model | 320 | SLK |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 150 HP | 268 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 350 Nm | 510 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 208 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Height | 1380 mm | 1280 mm |
| Wheelbase Size | 2800 mm | 2440 mm |
| Fuel Consumption | 5.4 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 6.9 L/100km | 12 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
