Mercedes-Benz GLS Mercedes-Benz GLS 2018 Audi A6 / S6 Audi A6 / S6 2016

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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: $86,050

Audi A6 / S6 S6 4.0 TFSI   
Difference: $40,785

Lowest Total Invoice: $80,095

Audi A6 / S6 S6 4.0 TFSI   
Difference: $37,931

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182016
ModelGLSA6 / S6
TrimAMG GLS63S6 4.0 TFSI
Body4dr SUV4dr Sedan
Base Price $125,300 $70,900
Base Invoice $116,529 $65,938
Wood trim, alternative type 160 900
Sunshades, second row 380  
Cold Weather Package   500
Comfort Seating Package   1,950
Driver Assistance Package   2,550
Prestige Package   4,400
Metallic paint (extra cost)   575
Rear side airbags   350
Synthetic suede headliner   3,000
Wood trim, alternative type 149 838
Sunshades, second row 353  
Cold Weather Package   467
Comfort Seating Package   1,813
Driver Assistance Package   2,371
Prestige Package   4,092
Metallic paint (extra cost)   536
Rear side airbags   325
Synthetic suede headliner   2,790
Options (change) 540 14,225
Options (change) 502 13,232
Destination 995 925
Total Price $126,835 $86,050
Total Invoice $118,026 $80,095

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

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $35,155
TrueDelta Adjusted Invoice Difference: $32,692
Model Year20182016
ModelGLSA6 / S6
TrimAMG GLS63S6 4.0 TFSI
Body4dr SUV4dr Sedan
Engine550hp V8450hp V8
TransmissionT7S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/17 MPG18/27 MPG
Audio (watts, speakers)830, 14630, 14
Tire (rear if not all the same)295/40-21255/40-19
Total Price$126,835$86,050
Adjustments for Features-5,6300
Feature-Adjusted Total Price$121,205$86,050
Total Invoice$118,026$80,095
Adjustments for Features-5,2390
Feature-Adjusted Total Invoice$112,787$80,095

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

Model Year20182016
ModelGLSA6 / S6
TrimAMG GLS63S6 4.0 TFSI
Body4dr SUV4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
AC power outlet$100 
Hands-free trunk or liftgate $100
Heated / cooled cup holders, front row$75 
Heated steering wheel $100
Power door closers$300 
Power flip-out rear side windows$125 
Power liftgate$350 
Power trunk closer $350
Remote app$25 
Remote climate control$25 
Remote start via app$75 
Remote window/roof operation$15 
Semi-automated parking system$500 
Sunshade, rear, power $225
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Automatic braking, high-speed or partial$200 
Blind spot collision prevention$150 
Collision preparation system, rear $100
Driver drowsiness monitor$150 
Hill descent control$250 
Knee airbag, passenger $75
Lane departure prevention$150 
Lane departure prevention, steering-based $200
Secondary collision brake assist $25
Side curtain airbags $350
Side curtain airbags, three rows$500 
Trailer sway control$25 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Aluminum roof rails$250 
Cargo cover$75 
Console with shifter $150
Console without shifter$150 
Rear seat pass-through $100
Climate Control 
Rear dual-zone climate control $125
Rear HVAC unit$400 
Rear wiper$175 
Residual heat $50
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
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 
4G LTE connectivity $0
Android Auto support$100 
App support$0 
Apple CarPlay support$100 
Aux input $50
Handwriting recognition $200
iPod integration $100
Navigation map updates, three years$0 
Siri Eyes Free support $0
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
USB port$25 
Instruments, Lights, and Mirrors 
Adaptive headlights$200 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Head-up display (HUD) $350
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Seats and Interior Trim 
Leather seating surfaces, third-row seats$200 
Manual recliner, second row seats$75 
Metal pedals $75
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power release, second row seats$50 
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power-folding third row seats$1000 
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Active stabilizer bars$500 
Crosswind stabilization$50 
Total Value of Features$13,230$7,600
Value of Feature Adjustments$5,630$0
Value of Feature Adjustments-5,2390

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

Model Year20182016
ModelGLSA6 / S6
Body4dr SUV4dr Sedan
Wheelbase121.1 in114.6 in
Length202.0 in194.2 in
Width76.1 in73.8 in
Height72.8 in57.8 in
Curb Weight5,754 lb.4,486 lb.
Fuel Capacity26.4 gal.19.8 gal.
Row 1 Headroom41.2 in37.2 in
Row 1 Shoulder Room58.5 in57.5 in
Row 1 Legroom40.3 in41.3 in
Row 2 Headroom40.0 in37.8 in
Row 2 Shoulder Room58.3 in56.3 in
Row 2 Legroom38.5 in37.4 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 ft314.1 ft3
Cargo Volume,
Behind R2
49.4 ft314.1 ft3
Cargo Volume,
Maximum
93.8 ft314.1 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Synthetic suede headliner
FeatureValueRequested?
Synthetic suede headliner650Yes
Dark-colored headliner (optional)0No
Total Requested650100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested105084%
Total Not Requested20016%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Around view cameras300Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Wide-view front camera150No
Wide-view rear camera0No
Lane departure prevention system, steering-based200No
Total Requested180084%
Total Not Requested35016%
Prestige Package
FeatureValueRequested?
Power decklid350Yes
Head-up display (HUD)350No
Surround sound250Yes
Interior lights, additional0No
Illuminated door sill trim plates100Yes
LED headlights500Yes
Bose, 630W, 14 speakers (with subwoofer)350No
Hands-free trunk or liftgate100No
Sunshades, second row125Yes
Sunshade, rear, power225No
Total Requested132556%
Total Not Requested102544%

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