The S550 Luxury Sedan Represents the Finest Our Fleet Has to Offer. Start with An Exquisite Interior with Hand-Tailored Leather and An Abundance of Precisely Top-Stitched Upholstery on Virtually Every Surface. Add in A 4.7l V-8 Engine Boasting 449 Horsepower and Lots of Legroom, And You Have the Ability to Get to Where You’re Going in Fine Style, With World-Class Standards of Service and A Fleet of Luxury Sedans Like the S550, We’re Certain That When You Ride with Us You’ll Understand Why.