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Car Comparison

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Standard Standard
Optional Optional
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2014 Mercedes-Benz S-Class 2014 Tesla Model S 2014 Audi A7
S550 Sedan
  • S63 AMG 4MATIC Sedan
  • S550 Sedan
  • S550 4MATIC Sedan
4dr Sdn
  • 4dr Sdn
  • 4dr Sdn Performance
4dr HB quattro 3.0 Premium Plus
  • 4dr HB Prestige
  • 4dr HB quattro 3.0 Premium Plus
  • 4dr HB quattro 3.0 Prestige
  • 4dr HB quattro 3.0 TDI Premium Plus
  • 4dr HB quattro 3.0 TDI Prestige
  • 4dr HB Prestige

Prices

MSRP $92,900 $69,900 $64,500
Invoice $86,397 $0 $59,987
Avg. Paid N/A N/A N/A

U.S. News Scores

Overall 9.4 9.3 8.8
Critics' Rating 9.6 9.5 9.3
Performance 9.2 8.7 8.5
Interior 9.2 7.9 7.8
Safety N/A 10.0 N/A
Reliability 4.0 N/A 3.5

Pros & Cons

Pros
  • First-class interior quality and accommodations
  • Powerful, smooth engine choices
  • Sublime ride quality
  • Responsive and powerful electric motor
  • Large, user-friendly touch-screen display
  • Ample cargo space
  • Standard all-wheel drive
  • Outstanding fuel economy with A7 TDI
  • Luxurious and attractive interior
  • Large cargo hold
Cons
  • Less engaging to drive than rivals
  • Limited second-row headroom
  • Minimal back-seat headroom
  • Confusing infotainment system 

General Specs

Transmission Automatic Automatic Automatic
Drivetrain Rear Wheel Drive Rear Wheel Drive All Wheel Drive
Fuel/Engine Twin Turbo Premium Unleaded V-8 4.7 L/285 Electric Intercooled Supercharger Premium Unleaded V-6 3.0 L/183
MPG 17 City / 25 Hwy N/A 18 City / 28 Hwy

Exterior

Body

Body Style Sedan Sedan Hatchback

Dimensions

Wheelbase(in) 124.6 116.5 114.7
Length, Overall (in) 206.5 195.9 195.6
Width, Max w/o mirrors (in) 74.8 77.3 75.2
Height, Overall (in) 58.8 56.5 55.9

Doors & Windows

Rear Defrost Standard Standard Standard
Power Windows Standard Standard Standard

Exterior Features

Dual Moonroof Standard Optional
Sun/Moon Roof Standard Optional Standard
Power Tilt/Sliding Sunroof Standard Optional Standard
Rear Spoiler Standard Standard

Measurements

Base Curb Weight (lbs) 4729 4647 4200

Tires & Wheels

Tires - Front All-Season Optional
Tires - Front Performance Standard Standard Standard
Tires - Rear All-Season Optional
Tires - Rear Performance Standard Standard Standard
Compact Spare Tire Standard
Tire Pressure Monitoring System Standard Standard Standard
Aluminum Wheels Standard Standard Standard
Wheel Locks Optional Optional Optional

Interior

Convenience & Comfort

Alarm Standard Standard Standard
Back-Up Camera Standard Standard Standard
Cruise Control Standard Standard Standard
Vehicle Anti-Theft System Standard Standard Standard
Fog Lamps Optional
Auto-Off Headlights Standard Standard Standard
HID headlights Standard Standard
Interior Cargo Shade Optional Standard
Keyless Start Standard
Luggage Rack Optional Optional
Rear Parking Aid Optional Standard
Power Liftgate Optional Standard
Remote Engine Start Standard
Adjustable Steering Wheel Standard Standard Standard
Steering Wheel Controls Standard Standard Standard
Leather Wrapped Steering Wheel Standard Standard
Trip Computer Standard Standard Standard
Remote Trunk Release Optional Standard Standard
Universal Garage Door Opener Standard Optional Standard
Intermittent Wipers Standard Standard Standard
Rain Sensing Wipers Standard Standard Standard
Variable Speed Intermittent Wipers Standard Standard Standard
Front Floor Mats Standard Standard Standard
Keyless Entry Standard Standard Standard
Power Door Locks Standard Standard Standard
Electrochromic rearview mirror Standard Standard
Heated Mirrors Standard Standard Standard
Mirror Memory Standard Optional Standard
Power Driver Mirror Standard Standard Standard
Power Folding Mirrors Standard Optional Optional
Driver Vanity Mirror Standard Standard Standard
Driver Illuminated Vanity Mirror Standard Standard Standard
Passenger Vanity Mirror Standard Standard Standard
Passenger Illuminated Visor Mirror Standard Standard Standard
Power Steering Standard Standard Standard

Dimensions

Passenger Capacity 5 5 5
Passenger Volume (cu. ft.) 94
Front Head Room (in) 39.7 38.8 36.9
Front Leg Room (in) 41.4 42.7 41.3
Front Shoulder Room (in) 59.7 57.7 57.2
Front Hip Room (in) 55
Second Head Room (in) 39.2 35.3 36.6
Second Leg Room (in) 43 35.4 37
Second Shoulder Room (in) 59.1 55 55.9
Second Hip Room (in) 54.7

Entertainment

AM/FM Stereo Standard Standard Standard
Auxiliary Audio Input Standard Standard Standard
CD Changer Standard
CD Player Standard Standard
HD Radio Standard Standard Standard
MP3 Player Standard Standard Standard
Satellite Radio Standard Optional Standard
Premium Sound System Standard Optional
Entertainment System Optional
Hard Disk Drive Standard Standard Standard

Heating & Cooling

Climate Control Standard Standard Standard
Dual Zone A/C Standard Standard Standard
A/C Standard Standard Standard
Rear A/C Optional Standard Standard

Navigation & Communication

Navigation System Standard Optional Standard
Onboard Hands-Free Communications System Standard
Wireless Cell Phone Hookup Standard Standard Standard

Seats

Cloth Seats Standard
Leather Seats Standard Optional Standard
Premium Synthetic Seats Standard
Additional Rear Seat Optional
Cooled Rear Seat Optional
Heated Driver Seat Standard Optional Standard
Heated Rear Seat Optional Optional Optional
Driver Lumbar Standard Optional Standard
Passenger Lumbar Standard Optional
Seat Memory Standard Optional Standard
Power Driver Seat Standard Standard Standard
Power Passenger Seat Standard Standard Standard
Pass-Through Rear Seat Standard Standard
2nd Row Bench Seat Standard Standard Standard
Bucket Seats Standard Standard Standard
Quad Bucket Seats Optional

Safety

Airbags

Driver Air Bag Standard Standard Standard
Passenger Air Bag Standard Standard Standard
Side Head Air Bag Standard Standard Standard
Rear Head Air Bag Standard Standard Standard
Side Air Bag Standard Standard Standard
Rear Body Air Bag Standard Optional

Brakes

4-Wheel ABS Standard Standard Standard
4-Wheel Disc Brakes Standard Standard Standard

Safety Features

Brake Assist Standard Standard
Electronic Stability Control Standard Standard Standard
Daytime Running Lights Standard Standard Standard
Child Safety Locks Standard Standard Standard
Integrated Turn Signal Mirrors Standard Standard
Night Vision Optional
Traction Control Standard Standard Standard
Blind Spot Monitor Optional Optional
Auto-Leveling Headlights Standard Standard
Lane Departure Warning Optional Optional

Mechanical

Engine & Performance

All Wheel Drive Standard
Rear Wheel Drive Standard Standard
V6 Cylinder Engine Standard
8 Cylinder Engine Standard
Electric Motor Standard
Supercharged Standard
Turbocharged Standard
Engine Type Twin Turbo Premium Unleaded V-8 Electric Intercooled Supercharger Premium Unleaded V-6
Displacement 4.7 L/285 3.0 L/183
Horsepower (Net @ RPM) 449 @ 5250 302 @ 5000 310 @ 5500
Torque (Net @ RPM) 516 @ 1800 317 325 @ 2900
Transmission Automatic w/OD Automatic Automatic w/OD
Turning diameter 40 37 39

Fuel

Electric Fuel System Standard
Gasoline Fuel Standard Standard
EPA Fuel Economy Est - City (MPG) 17 18
EPA Fuel Economy Est - Hwy (MPG) 25 28
Fuel Tank Capacity, Approx (gal) 21.1 19.8

Suspension

Active Suspension System Standard Optional
Air Suspension Standard Optional
Suspension Type - Front Multi-Link Double Wishbone Multi-Link
Suspension Type - Rear Multi-Link Multi-Link Multi-Link
Suspension Type - Front (Cont.) Multi-Link Double Wishbone Multi-Link
Suspension Type - Rear (Cont.) Multi-Link Multi-Link Multi-Link

Transmission

Automatic Standard Standard Standard
Automatic Transmission w/Manual Mode Standard Standard
1-Speed Automatic Standard
7-Speed Automatic Standard
8-Speed Automatic Standard