GO

Car Comparison

Use this tool to compare car rankings, scores, prices and specs for your top picks. You can compare SUVs, cars or trucks and you can compare new cars and used cars. Then use our Best Price Program to get a great deal on new cars or search our huge collection of used car listings.

Standard Standard
Optional Optional
X Remove X Remove X Remove
2014 BMW 7-Series 2014 Mercedes-Benz S-Class 2014 Audi A8
Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
  • Sedan
S550 Sedan
  • S63 AMG 4MATIC Sedan
  • S550 Sedan
  • S550 4MATIC Sedan
4dr Sdn 3.0T
  • 4dr Sdn
  • 4dr Sdn
  • 4dr Sdn 3.0T
  • 4dr Sdn 3.0T
  • 4dr Sdn 3.0L TDI
  • 4dr Sdn 4.0T
  • 4dr Sdn 4.0T

Prices

MSRP $74,000 $92,900 $75,100
Invoice $68,080 $86,397 $69,844
Avg. Paid $67,078 $85,908 N/A

U.S. News Scores

Overall 8.5 9.4 8.7
Critics' Rating 8.6 9.6 8.7
Performance 8.2 9.2 8.7
Interior 8.3 9.2 8.9
Safety N/A N/A N/A
Reliability 3.5 4.0 3.5

Pros & Cons

Pros
  • Strong engine choices
  • Comfortable cruising at high speeds
  • Vast rear-seat space
  • First-class interior quality and accommodations
  • Powerful, smooth engine choices
  • Sublime ride quality
  • Exceptional interior quality
  • A8L TDI’s outstanding fuel economy
  • Athletic handling
  • Standard all-wheel drive
Cons
  • Less engaging to drive than some rivals
  • Nondescript interior trim
  • Less engaging to drive than rivals
  • Small trunk
  • Mediocre rearward visibility

General Specs

Transmission Automatic Automatic Automatic
Drivetrain Rear Wheel Drive Rear Wheel Drive All Wheel Drive
Fuel/Engine Intercooled Turbo Premium Unleaded I-6 3.0 L/182 Twin Turbo Premium Unleaded V-8 4.7 L/285 Intercooled Supercharger Premium Unleaded V-6 3.0 L/183
MPG 19 City / 29 Hwy 17 City / 25 Hwy 18 City / 28 Hwy

Exterior

Body

Body Style Sedan Sedan Sedan

Dimensions

Wheelbase(in) 120.9 124.6 117.8
Length, Overall (in) 199.8 206.5 202.2
Width, Max w/o mirrors (in) 74.9 74.8 76.7
Height, Overall (in) 58.3 58.8 57.5

Doors & Windows

Rear Defrost Standard Standard Standard
Power Windows Standard Standard Standard

Exterior Features

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

Measurements

Base Curb Weight (lbs) 4344 4729 4365

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

Interior

Convenience & Comfort

Alarm Standard Standard Standard
Back-Up Camera Standard Standard Standard
Cruise Control Standard Standard Standard
Heads-Up Display Optional
Vehicle Anti-Theft System Standard Standard Standard
Fog Lamps Standard Standard
Auto-Off Headlights Standard Standard Standard
HID headlights Standard Standard
Rear Parking Aid Standard Standard
Adjustable Steering Wheel Standard Standard Standard
Steering Wheel Controls Standard Standard Standard
Leather Wrapped Steering Wheel Standard Standard Standard
Trip Computer Standard Standard Standard
Remote Trunk Release Standard Standard Standard
Universal Garage Door Opener Standard Standard 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 Standard
Heated Mirrors Standard Standard Standard
Mirror Memory Standard Standard Standard
Power Driver Mirror Standard Standard Standard
Power Folding Mirrors Standard Standard Standard
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
All Wheel Steering Optional
Power Steering Standard Standard Standard

Dimensions

Passenger Capacity 5 5 5
Passenger Volume (cu. ft.) 115.1
Front Head Room (in) 40.6 39.7 37.2
Front Leg Room (in) 41.2 41.4 41.4
Front Shoulder Room (in) 59.2 59.7 59.1
Second Head Room (in) 38.5 39.2 38.1
Second Leg Room (in) 38.4 43 38.7
Second Shoulder Room (in) 57.4 59.1 57.8
Trunk Volume (cu. ft.) 17.7 13.2

Entertainment

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

Navigation & Communication

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

Seats

Leather Seats Standard Standard Standard
Cooled Driver Seat Optional Optional
Cooled Rear Seat Optional
Heated Driver Seat Standard Standard Standard
Heated Rear Seat Optional Optional Optional
Driver Lumbar Standard Standard Standard
Passenger Lumbar Standard Standard Standard
Seat Memory Standard Standard Standard
Power Driver Seat Standard Standard Standard
Power Passenger Seat Standard Standard Standard
Pass-Through Rear Seat Optional Optional
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 Standard

Brakes

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

Safety Features

Brake Assist Standard 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 Optional Optional
Traction Control Standard Standard Standard
Blind Spot Monitor Optional Optional Optional
Auto-Leveling Headlights Standard Standard
Lane Departure Warning Optional Optional Optional

Mechanical

Engine & Performance

Locking Rear Differential Optional
All Wheel Drive Standard
Rear Wheel Drive Standard Standard
Straight 6 Cylinder Engine Standard
V6 Cylinder Engine Standard
8 Cylinder Engine Standard
Supercharged Standard
Turbocharged Standard Standard
Engine Type Intercooled Turbo Premium Unleaded I-6 Twin Turbo Premium Unleaded V-8 Intercooled Supercharger Premium Unleaded V-6
Displacement 3.0 L/182 4.7 L/285 3.0 L/183
Horsepower (Net @ RPM) 315 @ 5800 449 @ 5250 333 @ 5500
Torque (Net @ RPM) 332 @ 1300 516 @ 1800 325 @ 2900
Transmission Automatic w/OD Automatic w/OD Automatic w/OD
Turning diameter 40 40 40.4

Fuel

Gasoline Fuel Standard Standard Standard
EPA Fuel Economy Est - City (MPG) 19 17 18
EPA Fuel Economy Est - Hwy (MPG) 29 25 28
Fuel Tank Capacity, Approx (gal) 21.1 21.1 23.8

Suspension

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

Transmission

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