Audi A6 / S6 Audi A6 / S6 2014 Mercedes-Benz GLS Mercedes-Benz GLS 2017

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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: $85,745

Audi A6 / S6 S6 4.0 TFSI   
Difference: $39,440

Lowest Total Invoice: $79,810

Audi A6 / S6 S6 4.0 TFSI   
Difference: $36,677

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142017
ModelA6 / S6GLS
TrimS6 4.0 TFSIAMG GLS63
Body4dr Sedan4dr SUV
Base Price $73,400 $124,100
Base Invoice $68,262 $115,413
Cold Weather Package 500  
Driver Assistance Package 2,800  
Comfort Seating Package 2,000  
Metallic paint (extra cost) 500  
Synthetic suede headliner 3,000  
Rear side airbags 350  
LED headlights 1,400  
Wood trim, alternative type 900 160
Cold Weather Package 467  
Driver Assistance Package 2,604  
Comfort Seating Package 1,860  
Metallic paint (extra cost) 467  
Synthetic suede headliner 2,790  
Rear side airbags 325  
LED headlights 1,302  
Wood trim, alternative type 838 149
Options (change) 11,450 160
Options (change) 10,653 149
Destination 895 925
Total Price $85,745 $125,185
Total Invoice $79,810 $116,487

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

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $32,835
TrueDelta Adjusted Invoice Difference: $30,531
Model Year20142017
ModelA6 / S6GLS
TrimS6 4.0 TFSIAMG GLS63
Body4dr Sedan4dr SUV
Engine420hp V8550hp V8
TransmissionS7T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)17/27 MPG13/17 MPG
Audio (watts, speakers)630, 14830, 14
Tire (rear if not all the same)255/40-19295/40-21
Total Price$85,745$125,185
Adjustments for Features0-6,605
Feature-Adjusted Total Price$85,745$118,580
Total Invoice$79,810$116,487
Adjustments for Features0-6,146
Feature-Adjusted Total Invoice$79,810$110,341

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

Model Year20142017
ModelA6 / S6GLS
TrimS6 4.0 TFSIAMG GLS63
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
AC power outlet $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
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 
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 
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 
Drivetrain 
Active rear differential$500 
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Body kit$0 
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 
Handwriting recognition$200 
iPod integration$100 
Navigation map updates, three years $0
SD Card slot $25
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 headlights $200
Auto-dimming passenger-side mirror$75 
Cornering lights$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Steering-linked headlights$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$7,050$13,655
Value of Feature Adjustments$0$6,605
Value of Feature Adjustments0-6,146

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

Model Year20142017
ModelA6 / S6GLS
Body4dr Sedan4dr SUV
Wheelbase114.7 in121.1 in
Length193.9 in202.0 in
Width73.8 in76.1 in
Height57.8 in72.8 in
Curb Weight4,398 lb.5,754 lb.
Fuel Capacity19.8 gal.26.4 gal.
Row 1 Headroom37.2 in41.2 in
Row 1 Shoulder Room57.5 in58.5 in
Row 1 Legroom41.3 in40.3 in
Row 2 Headroom37.8 in40.0 in
Row 2 Shoulder Room56.3 in58.3 in
Row 2 Legroom37.4 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
14.1 ft316.0 ft3
Cargo Volume,
Behind R2
14.149.4 ft3
Cargo Volume,
Maximum
14.193.8 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100No
Total Requested20067%
Total Not Requested10033%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150Yes
Around view cameras300Yes
Automatic braking, low-speed200Yes
Forward collision alert200Yes
Wide-view front camera150No
Wide-view rear camera0No
Total Requested175092%
Total Not Requested1508%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
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%

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