Audi A6 / S6 Audi A6 / S6 2015 Mercedes-Benz C-Class Mercedes-Benz C-Class 2018
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Audi A6 / S6 vs. Mercedes-Benz C-Class 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 C-Class Invoice Comparison

Lowest Total Price: $81,990

Mercedes-Benz C-Class AMG C63   
Difference: $1,135

Lowest Total Invoice: $76,323

Mercedes-Benz C-Class AMG C63   
Difference: $1,053

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520182018
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIAMG C63AMG C63 S
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $75,500 $66,100 $73,700
Base Invoice $70,217 $61,473 $68,541
Driver Assistance Package 2,800 2,250 2,250
Comfort Seating Package 2,000    
Warm Weather Package 500    
Metallic paint (extra cost) 550 720 720
Rear side airbags 350    
Carbon fiber trim 500 975 975
Advanced Lighting Package   1,050 1,050
designo Package   3,100 500
Multimedia Package   2,200 2,200
Parking Assist Package   1,090 1,090
Dual-mode exhaust, switchable   1,250 1,250
Sunshade, rear, power   440 440
Sunshades, second row   380 380
Head-up display (HUD)   990 990
Cooled or ventilated front seats   450 450
Driver Assistance Package 2,604 2,093 2,093
Comfort Seating Package 1,860    
Warm Weather Package 467    
Metallic paint (extra cost) 511 670 670
Rear side airbags 325    
Carbon fiber trim 467 907 907
Advanced Lighting Package   977 977
designo Package   2,883 465
Multimedia Package   2,046 2,046
Parking Assist Package   1,014 1,014
Dual-mode exhaust, switchable   1,163 1,163
Sunshade, rear, power   409 409
Sunshades, second row   353 353
Head-up display (HUD)   921 921
Cooled or ventilated front seats   419 419
Options (change) 6,700 14,895 12,295
Options (change) 6,234 13,855 11,437
Destination 925 995 995
Total Price $83,125 $81,990 $86,990
Total Invoice $77,376 $76,323 $80,973

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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

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 C-Class dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $90
TrueDelta Adjusted Invoice Difference: $87
Model Year201520182018
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIAMG C63AMG C63 S
Body4dr Sedan4dr Sedan4dr Sedan
Engine420hp V8469hp V8503hp V8
TransmissionS7T7T7
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14590, 13590, 13
Tire (rear if not all the same)255/40-19245/40-18245/35-19
Total Price$83,125$81,990$86,990
Adjustments for Features-1,2250-700
Feature-Adjusted Total Price$81,900$81,990$86,290
Cost Above Minimum$0$0$4,300
Total Invoice$77,376$76,323$80,973
Adjustments for Features-1,1400-652
Feature-Adjusted Total Invoice$76,236$76,323$80,321
Cost Above Minimum$0$0$3,998

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

Model Year201520182018
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIAMG C63AMG C63 S
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200  
7-speed manually-shiftable automatic $1200$1200
AWD$1700  
RWD $0$0
Accessories 
Remote app $25$25
Remote climate control $25$25
Remote start via app $75$75
Remote window/roof operation $15$15
Semi-automated parking system $500$500
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200$200
Blind spot collision prevention $150$150
Cross-traffic detection for collision preparation system $0$0
Cross-traffic warning, rear $100$100
Driver drowsiness monitor $150$150
Knee airbag, passenger$75  
Lane departure prevention$150  
Lane keeping assist $400$400
Pedestrian detection $50$50
Rollover sensor$50  
Temporary spare tire$150  
Torque vectoring, brake-based $100$100
Wide-view front camera$150  
Wide-view rear camera$0  
Cargo Management 
Cargo net$40  
Console with shifter$150  
Console without shifter $150$150
Overhead sunglass holder $25$25
Rear seat pass-through$100  
Climate Control 
Rear air vents $100$100
Rear air vents with automatic controls$250  
Rear dual-zone climate control$125  
Residual heat$50  
Drivetrain 
Active rear differential$500 $500
Electronically-variable engine mounts (performance-oriented)  $500
Limited-slip rear differential $300 
Engine / Motor 
Automatic start / stop $150$150
Raised top speed limiter  $0
Regenerative braking$0  
Exterior 
Painted brake calipers (optional)  $0
Rear spoiler $200$200
Infotainment 
App support $0$0
Aux input$50  
iPod integration$100  
Navigation map updates, three years $0$0
SD Card slot $25$25
SMS text-to-speech reader $25$25
Telematics service, such as OnStar, with navigation $225$225
USB port $25$25
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200$200
Auto-dimming passenger-side mirror$75  
Boost gauge $75$75
Chronometer $100$100
Interior ambient lighting$150  
Interior ambient lighting, configurable $150$150
Steering-linked headlights $150$150
Seats and Interior Trim 
Leather-wrapped steering wheel$150$150 
Massage, driver seat$100  
Massage, passenger seat$100  
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power seatback bolsters, driver seat$100  
Power seatback bolsters, passenger seat$100  
Power thigh bolsters, driver seat$100  
Power thigh bolsters, passenger seat$100  
Synthetic suede steering wheel  $150
Upholstered instrument panel $300$300
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000  
Crosswind stabilization $50$50
Suggestive steering $0$0
Transmission 
Launch control $100$100
Total Value of Features$6,815$5,590$6,290
Value of Feature Adjustments$1,225$0$700
Value of Feature Adjustments-1,1400-652

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz C-Class features.

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

Model Year20152018
ModelA6 / S6C-Class
Body4dr Sedan4dr Sedan
Wheelbase114.7 in111.8 in
Length193.9 in184.5 in
Width73.8 in71.3 in
Height57.8 in56.8 in
Curb Weight3,727 lb.3,418 lb.
Fuel Capacity19.8 gal.17.4 gal.
Row 1 Headroom37.2 in37.1 in
Row 1 Shoulder Room57.5 in55.3 in
Row 1 Legroom41.3 in41.7 in
Row 2 Headroom37.8 in37.1 in
Row 2 Shoulder Room56.3 in55.0 in
Row 2 Legroom37.4 in35.2 in
Cargo Volume14.1 ft312.6 ft3

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz C-Class specs.

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

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 warning200Yes
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, driver seat100No
Power thigh support adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Memory system, passenger seat150Yes
Massage, driver seat100No
Massage, passenger seat100No
Total Requested65052%
Total Not Requested60048%
Warm Weather Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Total Requested350100%
Total Not Requested00%

Option Package Details
Mercedes-Benz C-Class AMG C63

Advanced Lighting Package
FeatureValueRequested?
Interior ambient lighting, configurable150No
Steering-linked headlights150No
Cornering lights50Yes
Auto-dimming headlights200No
LED headlights-500Yes
Total Requested-450-900%
Total Not Requested5001000%
designo Package
FeatureValueRequested?
Special interior trim0No
Leather door panel trim250Yes
Upgraded leather upholstery0No
Leather seating surfaces900Yes
Total Requested1150100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Cross-traffic warning, rear100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist400Yes
Blind spot collision prevention150No
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Total Requested140082%
Total Not Requested30018%
Multimedia Package
FeatureValueRequested?
Handwriting recognition200Yes
Navigation map updates, three years0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Parking Assist Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Semi-automated parking system500No
Around view cameras300Yes
Total Requested70058%
Total Not Requested50042%

Option Package Details
Mercedes-Benz C-Class AMG C63 S

Advanced Lighting Package
FeatureValueRequested?
LED tail lights0No
Interior ambient lighting, configurable150No
Steering-linked headlights150No
Cornering lights50Yes
Auto-dimming headlights200No
LED headlights250Yes
Total Requested30038%
Total Not Requested50062%
designo Package
FeatureValueRequested?
Special interior trim0No
Leather door panel trim250Yes
Total Requested250100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Cross-traffic warning, rear100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist400Yes
Blind spot collision prevention150No
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Total Requested140082%
Total Not Requested30018%
Multimedia Package
FeatureValueRequested?
Handwriting recognition200Yes
Navigation map updates, three years0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Parking Assist Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Semi-automated parking system500No
Around view cameras300Yes
Total Requested70058%
Total Not Requested50042%

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