Mercedes-Benz GLS Mercedes-Benz GLS 2017 Audi A6 / S6 Audi A6 / S6 2008

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Mercedes-Benz GLS vs. Audi A6 / S6 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.

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

Lowest Total Price: $64,215

Audi A6 / S6 A6 3.2 Avant   
Difference: $61,190

Lowest Total Invoice: $59,692

Audi A6 / S6 A6 3.2 Avant   
Difference: $56,999

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172008
ModelGLSA6 / S6
TrimAMG GLS63A6 3.2 Avant
Body4dr SUV4dr Wagon
Base Price $124,100 $49,000
Base Invoice $115,413 $45,570
Sunshades, second row 380 250
Premium Package   2,550
Technology Package   4,100
Cold Weather Package   600
S Line Package   2,000
Sport suspension (upgrade)   500
iPod integration   290
Rear side airbags   350
Laminated front side windows   900
Lane departure warning   900
Adaptive cruise control   2,000
Sunshades, second row 353 233
Premium Package   2,372
Technology Package   3,813
Cold Weather Package   557
S Line Package   1,820
Sport suspension (upgrade)   466
iPod integration   225
Rear side airbags   325
Laminated front side windows   838
Lane departure warning   838
Adaptive cruise control   1,860
Options (change) 380 14,440
Options (change) 353 13,347
Destination 925 775
Total Price $125,405 $64,215
Total Invoice $116,691 $59,692

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

Dealer Price Quotes

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.2 Avant
TrueDelta Adjusted Price Difference: $47,975
TrueDelta Adjusted Invoice Difference: $44,702
Model Year20172008
ModelGLSA6 / S6
TrimAMG GLS63A6 3.2 Avant
Body4dr SUV4dr Wagon
Engine550hp V8255hp V6
TransmissionT7T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/17 MPG14/19 MPG
Audio (watts, speakers)830, 14270, 13
Tire (rear if not all the same)295/40-21245/40-18
Total Price$125,405$64,215
Adjustments for Features-13,2150
Feature-Adjusted Total Price$112,190$64,215
Total Invoice$116,691$59,692
Adjustments for Features-12,2970
Feature-Adjusted Total Invoice$104,394$59,692

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

Model Year20172008
ModelGLSA6 / S6
TrimAMG GLS63A6 3.2 Avant
Body4dr SUV4dr Wagon
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
AC power outlet$100 
Adaptive cruise control $600
Adaptive cruise control, all-speed$850 
Heated / cooled cup holders, front row$75 
Heated steering wheel $100
Power door closers$300 
Power flip-out rear side windows$125 
Remote app$25 
Remote climate control$25 
Remote start via app$75 
Remote window/roof operation$15 
Semi-automated parking system$500 
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 
Obstacle detection, front$150 
Radar- or camera-based collision preparation system$0 
Rearview camera $200
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
Cargo mat $40
Console with shifter $150
Console without shifter$150 
Rear seat pass-through $100
Roof rails $250
Ski sack $50
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 
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 
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 
SD Card slot$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information$25 
USB port$25 
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
Headlight washers $50
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
LED headlights$1000 
Steering-linked headlights $150
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 seating surfaces, third-row seats$200 
Manual recliner, second row seats$75 
Manual thigh support length adjuster, driver seat $50
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$20,845$7,630
Value of Feature Adjustments$13,215$0
Value of Feature Adjustments-12,2970

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

Model Year20172008
ModelGLSA6 / S6
Body4dr SUV4dr Wagon
Wheelbase121.1 in111.9 in
Length202.0 in194.2 in
Width76.1 in73.1 in
Height72.8 in58.2 in
Curb Weight5,754 lb.4,641 lb.
Fuel Capacity26.4 gal.21.1 gal.
Row 1 Headroom41.2 in37.6 in
Row 1 Shoulder Room58.5 in57.1 in
Row 1 Legroom40.3 in41.3 in
Row 2 Headroom40.0 in38.0 in
Row 2 Shoulder Room58.3 in55.9 in
Row 2 Legroom38.5 in36.9 in
Row 3 Headroom38.9 in0.0 in
Row 3 Shoulder Room50.5 in0.0 in
Row 3 Legroom35.0 in0.0 in
Cargo Volume,
Minimum
16.0 ft333.9 ft3
Cargo Volume,
Behind R2
49.4 ft333.9 ft3
Cargo Volume,
Maximum
93.8 ft358.6 ft3

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Option Package Details
Audi A6 / S6 A6 3.2 Avant

Premium Package
FeatureValueRequested?
Power liftgate350Yes
Bose, 270W, 13 speakers (with subwoofer)350No
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Surround sound250Yes
Storage compartment under front seat(s)50No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Total Requested157577%
Total Not Requested47523%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Tilt/telescoping steering wheel, power100Yes
Universal garage door opener100Yes
Steering-linked headlights150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1750100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100No
Heated steering wheel100No
Ski sack50No
Total Requested20044%
Total Not Requested25056%
S Line Package
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Manual thigh support adjuster, driver seat50Yes
Front sport buckets100Yes
Special interior trim0No
Steering-wheel-mounted transmission controls100Yes
Upholstered door panels, leather250Yes
Total Requested500100%
Total Not Requested00%

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