As far as headroom and legroom go, there's not much difference between the Mercedes-Benz SL-Class and the BMW 640 in the front seats.
The BMW 640 requires fewer visits to the gas station than the Mercedes-Benz SL-Class, making it more convenient to drive.
There are a lot of factors to consider when calculating the overall cost of a vehicle. The main consideration is Manufacturer's Suggested Retail Price (MSRP). The Mercedes-Benz SL-Class will definitely make more of a dent in your wallet than the BMW 640, which has a much lower MSRP. Another consideration is the Destination Charge, which is a standard charge for transporting the vehicle to the dealer from where it's built. The Mercedes-Benz SL-Class and the BMW 640 have similar Destination Charges.
Since the Mercedes-Benz SL-Class is much wider than the BMW 640, finding a wide enough spot in a parking lot may be a bit more challenging. If you go with the Mercedes-Benz SL-Class, you'll have a much easier time finding a large enough space to park than you will with the BMW 640.
Due to its much higher torque, the engine of the Mercedes-Benz SL-Class does a much better job of transmitting power to the wheels than the BMW 640.
The Mercedes-Benz SL-Class has a smaller turning radius than the BMW 640, allowing you to more easily maneuver in and out of tight spots.
When it comes to horsepower, the Mercedes-Benz SL-Class has a much more powerful engine than the BMW 640. However, something you should consider is that higher horsepower engines often command higher insurance premiums.
The Mercedes-Benz SL-Class has less seating than the BMW 640, making the BMW 640 the better choice if you need to chauffeur many passengers. The Mercedes-Benz SL-Class has a roomier cargo area for holding your bags or other items than the BMW 640.
The Mercedes-Benz SL-Class comes with essentially the same basic warranty as the BMW 640.
Compare the 2014 Mercedes-Benz SL-Class and the 2014 BMW 640.
More Details & Photos
MSRP*: $106,700 - $214,500
More Details & Photos
MSRP*: $82,900 - $85,900
|Cash Back Rebate:||Up to $4,000||Up to $2,000|
|Low APR Loan:||--||As low as 2.99%|
|Lease Incentive:||--||As low as 3.00%|
|City MPG:||14 - 18||20|
|Highway MPG:||21 - 25||29 - 30|
|Seating Capacity:||2 - 2||4 - 4|
|Basic Warranty:||4 years/50,000 miles||4 years/50,000 miles|
|Invoice*:||$99,231 - $199,485||$76,270 - $79,030|
Days on Lot measures the average number of days a model sits on a dealer's lot before it's sold. This is one predictor of a dealer's willingness to negotiate.
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*MSRP and Invoice prices displayed do not include applicable gas taxes or destination charges.