Audi A6 / S6 Audi A6 / S6 2009 Mercedes-Benz GLS Mercedes-Benz GLS 2017

We are 103,000+ car owners sharing real-world car information.

Join Us

Audi A6 / S6 vs. Mercedes-Benz GLS Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Audi A6 / S6 vs. Mercedes-Benz GLS Invoice Comparison

Lowest Total Price: $57,755

Audi A6 / S6 A6 3.0T Avant   
Difference: $67,650

Lowest Total Invoice: $53,771

Audi A6 / S6 A6 3.0T Avant   
Difference: $62,920

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092017
ModelA6 / S6GLS
TrimA6 3.0T AvantAMG GLS63
Body4dr Wagon4dr SUV
Base Price $53,310 $124,100
Base Invoice $49,579 $115,413
Sport Package 1,500  
Premium Plus Package 1,320  
Cold Weather Package 450  
Rear side airbags 350  
Sunshades, second row   380
Sport Package 1,396  
Premium Plus Package 1,228  
Cold Weather Package 418  
Rear side airbags 325  
Sunshades, second row   353
Options (change) 3,620 380
Options (change) 3,367 353
Destination 825 925
Total Price $57,755 $125,405
Total Invoice $53,771 $116,691

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A6 / S6 dealer quotes or Mercedes-Benz GLS dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Audi A6 / S6 vs. Mercedes-Benz GLS

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.0T Avant
TrueDelta Adjusted Price Difference: $51,145
TrueDelta Adjusted Invoice Difference: $47,562
Model Year20092017
ModelA6 / S6GLS
TrimA6 3.0T AvantAMG GLS63
Body4dr Wagon4dr SUV
Engine300hp V6550hp V8
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)14/19 MPG13/17 MPG
Audio (watts, speakers)160, 10830, 14
Tire (rear if not all the same)255/35-19295/40-21
Total Price$57,755$125,405
Adjustments for Features0-16,505
Feature-Adjusted Total Price$57,755$108,900
Total Invoice$53,771$116,691
Adjustments for Features0-15,358
Feature-Adjusted Total Invoice$53,771$101,333

Return to top

Features Comparison: Audi A6 / S6 vs. Mercedes-Benz GLS

Model Year20092017
ModelA6 / S6GLS
TrimA6 3.0T AvantAMG GLS63
Body4dr Wagon4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
AC power outlet $100
Adaptive cruise control, all-speed $850
Cruise control$150 
Heated / cooled cup holders, front row $75
Heated steering wheel$100 
Power door closers $300
Power flip-out rear side windows $125
Proximity key $250
Remote app $25
Remote climate control $25
Remote start via app $75
Remote window/roof operation $15
Semi-automated parking system $500
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot collision prevention $150
Blind spot warning system $200
Driver drowsiness monitor $150
Forward collision warning $200
Full-size spare tire$225 
Hill descent control $250
Knee airbag, driver $75
Lane departure prevention $150
Lane departure warning $200
Obstacle detection, front $150
Obstacle detection, rear $250
Radar- or camera-based collision preparation system $0
Rollover sensor $50
Side curtain airbags$350 
Side curtain airbags, three rows $500
Temporary spare tire $150
Trailer sway control $25
Cargo Management 
Aluminum roof rails $250
Cargo area partition net$40 
Cargo area rails w/tie downs$50 
Console with shifter$150 
Console without shifter $150
Roof rails$250 
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents$100 
Rear air vents with automatic controls $250
Rear HVAC unit $400
Rear wiper $175
Residual heat$50 
Engine / Motor 
Automatic start / stop $150
Exterior 
Bodyside moldings$75 
Deep-tinted rear windows $275
Glass roof panel(s) $300
Laminated front side windows $200
Panoramic sunroof $1200
Rear bumper protector $40
Rear spoiler $200
Running boards $350
Sunroof$900 
Wheel-lip moldings $75
Infotainment 
Android Auto support $100
App support $0
Apple CarPlay support $100
Aux input$50 
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
Navigation map updates, three years $0
Navigation system $600
SD Card slot $25
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
USB port $25
Voice control for nav and audio $100
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Adaptive headlights $200
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Fog lights$125 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
LED headlights $1000
Power-folding mirrors $50
Xenon HID headlights$500 
Seats and Interior Trim 
Cooled or ventilated front seats $300
Door sill trim plates$100 
Illuminated door sill trim plates $200
Leather door panel trim $250
Leather seating surfaces, third-row seats $200
Manual recliner, second row seats $75
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power release, second row seats $50
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Power-folding third row seats $1000
Synthetic suede headliner $650
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Active stabilizer bars $500
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Crosswind stabilization $50
Electronic systems calibration selector $200
Total Value of Features$6,840$23,345
Value of Feature Adjustments$0$16,505
Value of Feature Adjustments0-15,358

Return to top

Specifications Comparison: Audi A6 / S6 vs. Mercedes-Benz GLS

Model Year20092017
ModelA6 / S6GLS
Body4dr Wagon4dr SUV
Wheelbase111.9 in121.1 in
Length194.2 in202.0 in
Width73.1 in76.1 in
Height58.2 in72.8 in
Curb Weight4,563 lb.5,754 lb.
Fuel Capacity21.1 gal.26.4 gal.
Row 1 Headroom37.6 in41.2 in
Row 1 Shoulder Room57.1 in58.5 in
Row 1 Legroom41.3 in40.3 in
Row 2 Headroom38.0 in40.0 in
Row 2 Shoulder Room55.9 in58.3 in
Row 2 Legroom36.9 in38.5 in
Row 3 Headroom0.0 in38.9 in
Row 3 Shoulder Room0.0 in50.5 in
Row 3 Legroom0.0 in35.0 in
Cargo Volume,
Minimum
33.9 ft316.0 ft3
Cargo Volume,
Behind R2
33.949.4 ft3
Cargo Volume,
Maximum
58.6 ft393.8 ft3

Return to top

Option Package Details
Audi A6 / S6 A6 3.0T Avant

Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Steering-wheel-mounted transmission controls100Yes
255/35YR19 tires400No
Total Requested35047%
Total Not Requested40053%
Premium Plus Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Auto-dimming passenger-side mirror75No
245/40HR18 tires400No
Total Requested92566%
Total Not Requested47534%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans and Wagons.
See TrueDelta's information for all Audi models.