Audi A6 / S6 Audi A6 / S6 2015 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: $80,680

Mercedes-Benz C-Class C63 AMG   
Difference: $845

Lowest Total Invoice: $75,097

Mercedes-Benz C-Class C63 AMG   
Difference: $790

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520152015
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIC63 AMGC63 AMG S
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $75,500 $63,900 $71,900
Base Invoice $70,217 $59,427 $66,867
Driver Assistance Package 2,800 2,800 2,800
Warm Weather Package 500    
Metallic paint (extra cost) 550 720 720
Rear side airbags 350 420 420
Wood trim, alternative type 900 325 0
Multimedia Package   2,690 2,690
Lighting Package   800 800
AMG Leather Package   2,590  
Obstacle detection, rear   970 970
Sunshades, second row   380 380
Sunshade, rear, power   440 440
Head-up display (HUD)   990 990
Dual-mode exhaust, switchable   1,250 1,250
Panoramic sunroof   1,480 1,480
Driver Assistance Package 2,604 2,604 2,604
Warm Weather Package 467    
Metallic paint (extra cost) 511 669 669
Rear side airbags 325 391 391
Wood trim, alternative type 838 302 0
Multimedia Package   2,502 2,502
Lighting Package   744 744
AMG Leather Package   2,409  
Obstacle detection, rear   902 902
Sunshades, second row   353 353
Sunshade, rear, power   409 409
Head-up display (HUD)   921 921
Dual-mode exhaust, switchable   1,163 1,163
Panoramic sunroof   1,376 1,376
Options (change) 5,100 15,855 12,940
Options (change) 4,745 14,745 12,034
Destination 925 925 925
Total Price $81,525 $80,680 $85,765
Total Invoice $75,887 $75,097 $79,826

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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: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $280
TrueDelta Adjusted Invoice Difference: $257
Model Year201520152015
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIC63 AMGC63 AMG 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$81,525$80,680$85,765
Adjustments for Features-1,1250-1,150
Feature-Adjusted Total Price$80,400$80,680$84,615
Cost Above Minimum$0$0$3,935
Total Invoice$75,887$75,097$79,826
Adjustments for Features-1,0470-1,070
Feature-Adjusted Total Invoice$74,840$75,097$78,756
Cost Above Minimum$0$0$3,659

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

Model Year201520152015
ModelA6 / S6C-ClassC-Class
TrimS6 4.0 TFSIC63 AMGC63 AMG 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 window/roof operation $15$15
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$150  
Lane keeping assist $400$400
Pedestrian detection $50$50
Rearview camera $200$200
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
Panoramic sunroof $1200$1200
Rear spoiler $200$200
Sunroof$900  
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 door panel trim$250  
Leather-wrapped steering wheel$150$150 
Memory system, passenger seat $150$150
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Synthetic suede inserts in seating surfaces  $450
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$7,865$6,740$7,890
Value of Feature Adjustments$1,125$0$1,150
Value of Feature Adjustments-1,0470-1,070

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

Model Year20152015
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.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?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150Yes
Around view cameras300No
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Wide-view front camera150No
Wide-view rear camera0No
Total Requested145076%
Total Not Requested45024%
Warm Weather Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Total Requested350100%
Total Not Requested00%

Option Package Details
Mercedes-Benz C-Class C63 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable250Yes
Sport exhaust0No
Total Requested250100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Rearview camera200Yes
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Cornering lights50Yes
Auto-dimming headlights200No
LED headlights-500Yes
Total Requested-450450%
Total Not Requested350-350%
AMG Leather Package
FeatureValueRequested?
Upgraded leather upholstery0No
Leather seating surfaces900Yes
Total Requested900100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
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
Mercedes-Benz C-Class C63 AMG S

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable250Yes
Sport exhaust0No
Total Requested250100%
Total Not Requested00%
Multimedia Package
FeatureValueRequested?
Rearview camera200Yes
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested940100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Cornering lights50Yes
Auto-dimming headlights200No
LED headlights-500Yes
Total Requested-450450%
Total Not Requested350-350%
Driver Assistance Package
FeatureValueRequested?
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%

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