Audi A6 / S6 Audi A6 / S6 2018 Mercedes-Benz C-Class Mercedes-Benz C-Class 2015

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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: $57,705

Mercedes-Benz C-Class C300   
Difference: $22,445

Lowest Total Invoice: $53,732

Mercedes-Benz C-Class C300   
Difference: $20,880

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820152015
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIC300C400
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $71,900 $38,400 $48,590
Base Invoice $66,868 $35,712 $45,189
Driver Assistance Package 2,000 2,800 2,800
Comfort Seating Package 1,850    
Prestige Package 2,500    
Metallic paint (extra cost) 575 720 720
Rear side airbags 350 420 420
Multimedia Package   2,690 2,690
Premium Package   2,700  
Lighting Package   800 800
Interior Package   2,300 2,300
Obstacle detection, rear   970 970
Power trunk closer   250 250
Special order charge   250 250
Sunshades, second row   380 380
Sunshade, rear, power   440 440
Head-up display (HUD)   990 990
Air suspension, auto-leveling and height adjustable   1,190 1,190
Panoramic sunroof   1,480 1,480
Driver Assistance Package 1,860 2,604 2,604
Comfort Seating Package 1,722    
Prestige Package 2,326    
Metallic paint (extra cost) 536 669 669
Rear side airbags 325 391 391
Multimedia Package   2,502 2,502
Premium Package   2,511  
Lighting Package   744 744
Interior Package   2,139 2,139
Obstacle detection, rear   902 902
Power trunk closer   233 233
Special order charge   233 233
Sunshades, second row   354 354
Sunshade, rear, power   409 409
Head-up display (HUD)   921 921
Air suspension, auto-leveling and height adjustable   1,107 1,107
Panoramic sunroof   1,376 1,376
Options (change) 7,275 18,380 15,680
Options (change) 6,769 17,095 14,584
Destination 975 925 925
Total Price $80,150 $57,705 $65,195
Total Invoice $74,612 $53,732 $60,698

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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 C-Class

Lowest Adjusted Price and Invoice: Mercedes-Benz C-Class C300
TrueDelta Adjusted Price Difference: $20,445
TrueDelta Adjusted Invoice Difference: $19,018
Model Year201820152015
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIC300C400
Body4dr Sedan4dr Sedan4dr Sedan
Engine450hp V8241hp I4329hp V6
TransmissionS7T7T7
DrivetrainAWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14590, 13590, 13
Tire (rear if not all the same)255/35-20225/50-17225/45-18
Total Price$80,150$57,705$65,195
Adjustments for Features-2,0000-2,300
Feature-Adjusted Total Price$78,150$57,705$62,895
Cost Above Minimum$0$0$5,190
Total Invoice$74,612$53,732$60,698
Adjustments for Features-1,8620-2,141
Feature-Adjusted Total Invoice$72,750$53,732$58,557
Cost Above Minimum$0$0$4,825

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

Model Year201820152015
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIC300C400
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200  
7-speed manually-shiftable automatic $1200$1200
AWD$1700 $1700
RWD $0 
Accessories 
Remote app $25$25
Remote window/roof operation $15$15
Semi-automated parking system $500$500
Brakes, Airbags, and Other Safety 
Around view cameras$500  
Automatic braking, high-speed or partial $200$200
Blind spot collision prevention $150$150
Cross-traffic warning, rear $100$100
Driver drowsiness monitor $150$150
Knee airbag, passenger$75  
Lane departure prevention, steering-based$200  
Lane keeping assist $400$400
Pedestrian detection $50$50
Rearview camera $200$200
Rollover sensor$50  
Secondary collision brake assist$25  
Temporary spare tire$150  
Tires, run-flat $150$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  
Engine / Motor 
Dual-mode exhaust, switchable$500  
Regenerative braking$0  
Exterior 
Body kit  $0
Laminated front side windows$200  
Panoramic sunroof $1200$1200
Sunroof$900  
Infotainment 
4G LTE connectivity$0  
Android Auto support$100  
App support $0$0
Apple CarPlay support$100  
Aux input$50  
Navigation map updates, three years $0$0
SMS text-to-speech reader $25$25
Telematics service, such as OnStar, with navigation $225$225
Instruments, Lights, and Mirrors 
Analog clock  $25
Auto-dimming passenger-side mirror$75  
Cornering lights $50$50
Interior ambient lighting$150  
Interior ambient lighting, configurable $150$150
Steering-linked headlights $150$150
Seats and Interior Trim 
Aluminum trim $100 
Leather door panel trim$250  
Massage, driver seat$100  
Massage, passenger seat$100  
Metal pedals$75 $75
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  
Upholstered instrument panel  $300
Wood trim$300 $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500
Crosswind stabilization $50$50
Sport suspension (upgrade)$0 $0
Suggestive steering $0$0
Total Value of Features$8,065$6,065$8,365
Value of Feature Adjustments$2,000$0$2,300
Value of Feature Adjustments-1,8620-2,141

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

Model Year20182015
ModelA6 / S6C-Class
Body4dr Sedan4dr Sedan
Wheelbase114.6 in111.8 in
Length194.2 in184.5 in
Width73.8 in71.3 in
Height57.8 in56.8 in
Curb Weight3,804 lb.3,418 lb.
Fuel Capacity19.8 gal.18.0 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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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

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 seat100No
Power thigh support length 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%
Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Power trunk closer350Yes
Head-up display (HUD)350Yes
Around view cameras300No
Wide-view front camera150No
Hands-free trunk or liftgate100Yes
Wide-view rear camera0No
Total Requested115072%
Total Not Requested45028%

Option Package Details
Mercedes-Benz C-Class C300

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Parking guidance system - active500No
Total Requested40044%
Total Not Requested50056%
Power decklid
FeatureValueRequested?
Power decklid350Yes
Hands-free trunk or liftgate100Yes
Total Requested450100%
Total Not Requested00%
Air suspension, auto-leveling and height adjustable
FeatureValueRequested?
Air suspension, auto-leveling and height adjustable1000Yes
Adaptive dampers - electrical400No
Total Requested100071%
Total Not Requested40029%
Multimedia Package
FeatureValueRequested?
Rearview camera200Yes
App support0No
Navigation map updates, three years0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Burmester, 590W, 13 speakers (with subwoofer)350No
LED headlights, single projector or low beam only750Yes
Heated front seats200Yes
Satellite radio200Yes
Surround sound250Yes
Proximity key250Yes
LED tail lights0No
Total Requested165083%
Total Not Requested35017%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Cornering lights50No
Auto-dimming headlights200Yes
LED headlights250Yes
Total Requested45069%
Total Not Requested20031%
Interior Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, passenger seat100Yes
Illuminated door sill trim plates100Yes
Interior ambient lighting, configurable150No
Leather seating surfaces900Yes
Power headrest height adjuster, passenger seat50No
Memory system, passenger seat150Yes
Total Requested155089%
Total Not Requested20011%
Driver Assistance Package
FeatureValueRequested?
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Blind spot intervention150No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Total Requested160084%
Total Not Requested30016%

Option Package Details
Mercedes-Benz C-Class C400

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Parking guidance system - active500No
Total Requested40044%
Total Not Requested50056%
Power decklid
FeatureValueRequested?
Power decklid350Yes
Hands-free trunk or liftgate100Yes
Total Requested450100%
Total Not Requested00%
Air suspension, auto-leveling and height adjustable
FeatureValueRequested?
Air suspension, auto-leveling and height adjustable1000Yes
Adaptive dampers - electrical400No
Total Requested100071%
Total Not Requested40029%
Multimedia Package
FeatureValueRequested?
Rearview camera200Yes
App support0No
Navigation map updates, three years0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Cornering lights50No
Auto-dimming headlights200Yes
LED headlights-500Yes
Total Requested-300300%
Total Not Requested200-200%
Interior Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, passenger seat100Yes
Illuminated door sill trim plates100Yes
Interior ambient lighting, configurable150No
Leather seating surfaces900Yes
Power headrest height adjuster, passenger seat50No
Memory system, passenger seat150Yes
Total Requested155089%
Total Not Requested20011%
Driver Assistance Package
FeatureValueRequested?
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Blind spot intervention150No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Total Requested160084%
Total Not Requested30016%

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