Mercedes-Benz S-Class Mercedes-Benz S-Class 2017 Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2018

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

Join Us

Mercedes-Benz S-Class vs. Audi A6 / S6 / RS6 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 S-Class vs. Audi A6 / S6 / RS6 Invoice Comparison

Lowest Total Price: $86,650

Audi A6 / S6 / RS6 S6 4.0 TFSI   
Difference: $70,645

Lowest Total Invoice: $80,662

Audi A6 / S6 / RS6 S6 4.0 TFSI   
Difference: $65,689

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172018
ModelS-ClassA6 / S6 / RS6
TrimAMG S63S6 4.0 TFSI
Body4dr Sedan, ext.4dr Sedan
Base Price $144,700 $71,900
Base Invoice $134,571 $66,868
Driver Assistance Package 2,250 2,000
Night vision 2,260 2,500
Carbon fiber trim 4,650 500
Heated second row seats 620  
Head-up display (HUD) 990  
Around view cameras 900  
Prestige Package   2,500
Comfort Seating Package   1,850
Cold Weather Package   500
Synthetic suede headliner   3,000
Rear side airbags   350
Metallic paint (extra cost)   575
Driver Assistance Package 2,093 1,860
Night vision 2,102 2,326
Carbon fiber trim 4,325 467
Heated second row seats 577  
Head-up display (HUD) 921  
Around view cameras 837  
Prestige Package   2,326
Comfort Seating Package   1,722
Cold Weather Package   467
Synthetic suede headliner   2,790
Rear side airbags   325
Metallic paint (extra cost)   536
Options (change) 11,670 13,775
Options (change) 10,855 12,819
Destination 925 975
Total Price $157,295 $86,650
Total Invoice $146,351 $80,662

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 Mercedes-Benz S-Class dealer quotes or Audi A6 / S6 / RS6 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: Mercedes-Benz S-Class vs. Audi A6 / S6 / RS6

Lowest Adjusted Price and Invoice: Audi A6 / S6 / RS6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $67,170
TrueDelta Adjusted Invoice Difference: $62,456
Model Year20172018
ModelS-ClassA6 / S6 / RS6
TrimAMG S63S6 4.0 TFSI
Body4dr Sedan, ext.4dr Sedan
Engine577hp V8450hp V8
TransmissionT7S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/23 MPG16/24 MPG
Audio (watts, speakers)590, 13630, 14
Tire (rear if not all the same)255/40-20255/35-20
Total Price$157,295$86,650
Adjustments for Features-3,4750
Feature-Adjusted Total Price$153,820$86,650
Total Invoice$146,351$80,662
Adjustments for Features-3,2330
Feature-Adjusted Total Invoice$143,118$80,662

Return to top

Features Comparison: Mercedes-Benz S-Class vs. Audi A6 / S6 / RS6

Model Year20172018
ModelS-ClassA6 / S6 / RS6
TrimAMG S63S6 4.0 TFSI
Body4dr Sedan, ext.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
AC power outlet$100 
Heated steering wheel $100
Power door closers$300 
Remote app$25 
Remote climate control$25 
Remote start via app$75 
Remote window/roof operation$15 
Semi-automated parking system$500 
Sunshades, second row $125
Sunshades, second row, power$225 
Brakes, Airbags, and Other Safety 
Animal detection, night$50 
Automatic braking, high-speed or partial$200 
Blind spot collision prevention$150 
Cross-traffic detection for collision preparation system$0 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Knee airbag, passenger $75
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Pedestrian detection$50 
Secondary collision brake assist $25
Temporary spare tire $150
Torque vectoring, brake-based$100 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment$50 
Console with shifter $150
Console without shifter$150 
Overhead sunglass holder$25 
Rear seat pass-through $100
Storage compartment under front seat(s)$50 
Climate Control 
Fragrance atomizer$200 
Heated washer fluid system$50 
Heated windshield washer nozzles $15
Ionizing air filtration$50 
Rear air vents$100 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Washer fluid outlets in wiper blade$100 
Wiper de-icer$25 
Engine / Motor 
Dual-mode exhaust$250 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Body kit$0 
Front splitter spoiler$200 
Laminated rear side windows$100 
Panoramic sunroof$1200 
Sunroof $900
Infotainment 
4G LTE connectivity $0
Android Auto support $100
App support$0 
Apple CarPlay support $100
Aux input $50
CD changer, in-dash$325 
CD player $125
Navigation map updates, three years$0 
Near-field communications (NFC)$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Chronometer$100 
Cornering lights$50 
Illuminated vanity mirrors, rear seat$100 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Large color reconfigurable instrument cluster display$250 
Steering-linked headlights$150 
Seats and Interior Trim 
Automatic seat bolsters, driver$300 
Automatic seat bolsters, front passenger$300 
Folding second row seats $300
Leather door panel trim $250
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power seat belt height adjusters, front row$25 
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Rapid-heating front seats$0 
Upholstered instrument panel$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Crosswind stabilization$50 
Electronic systems calibration selector $200
Transmission 
Launch control$100 
Total Value of Features$10,990$7,515
Value of Feature Adjustments$3,475$0
Value of Feature Adjustments-3,2330

Return to top

Specifications Comparison: Mercedes-Benz S-Class vs. Audi A6 / S6 / RS6

Model Year20172018
ModelS-ClassA6 / S6 / RS6
Body4dr Sedan, ext.4dr Sedan
Wheelbase124.6 in114.6 in
Length206.5 in194.2 in
Width74.8 in73.8 in
Height58.7 in57.8 in
Curb Weight4,806 lb.4,398 lb.
Fuel Capacity21.1 gal.19.8 gal.
Row 1 Headroom39.7 in37.2 in
Row 1 Shoulder Room59.7 in57.5 in
Row 1 Legroom41.4 in41.3 in
Row 2 Headroom37.4 in37.8 in
Row 2 Shoulder Room59.1 in56.3 in
Row 2 Legroom43.1 in37.4 in
Cargo Volume16.3 ft314.1 ft3

Return to top

Option Package Details
Mercedes-Benz S-Class AMG S63

Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

Option Package Details
Audi A6 / S6 / RS6 S6 4.0 TFSI

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50Yes
Total Requested1800100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Power trunk closer350Yes
Head-up display (HUD)350Yes
Around view cameras300Yes
Wide-view front camera150No
Hands-free trunk or liftgate100Yes
Wide-view rear camera0No
Total Requested145091%
Total Not Requested1509%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Total Requested1700100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support length 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%
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, Coupes, and Convertibles.
See TrueDelta's information for all Mercedes-Benz models.