Audi A6 / S6 Audi A6 / S6 2011 Mercedes-Benz C-Class Mercedes-Benz C-Class 2006
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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: $63,180

Mercedes-Benz C-Class C55   
Difference: $15,445

Lowest Total Invoice: $58,903

Mercedes-Benz C-Class C55   
Difference: $14,371

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112006
ModelA6 / S6C-Class
TrimS6C55
Body4dr Sedan4dr Sedan
Base Price $76,100 $54,450
Base Invoice $70,774 $50,639
Rear side airbags 350  
Premium Package   925
Xenon HID headlights   790
Metallic paint (extra cost)   690
Satellite radio   500
Bluetooth cell phone link   765
Navigation system   2,210
Wood trim   775
Rear side airbags 325  
Premium Package   860
Xenon HID headlights   735
Metallic paint (extra cost)   642
Satellite radio   465
Bluetooth cell phone link   711
Navigation system   2,055
Wood trim   721
Options (change) 350 6,655
Options (change) 325 6,189
Destination 875 775
Gas Tax 1,300 1,300
Total Price $78,625 $63,180
Total Invoice $73,274 $58,903

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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

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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: Mercedes-Benz C-Class C55
TrueDelta Adjusted Price Difference: $11,855
TrueDelta Adjusted Invoice Difference: $11,025
Model Year20112006
ModelA6 / S6C-Class
TrimS6C55
Body4dr Sedan4dr Sedan
Engine435hp V10362hp V8
TransmissionT6T5
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)14/19 MPG17/22 MPG
Audio (watts, speakers)255, 9320, 12
Tire (rear if not all the same)265/35-19225/40-18
Total Price$78,625$63,180
Adjustments for Features-3,5900
Feature-Adjusted Total Price$75,035$63,180
Total Invoice$73,274$58,903
Adjustments for Features-3,3460
Feature-Adjusted Total Invoice$69,928$58,903

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

Model Year20112006
ModelA6 / S6C-Class
TrimS6C55
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
5-speed manually-shiftable automatic $1000
AWD$1700 
RWD $0
Accessories 
Proximity key$250 
Remote window/roof operation $15
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Obstacle detection, rear$250 
Rearview camera$200 
Tire-pressure monitor$75 
Cargo Management 
Cargo net$40 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Residual heat$50 
Exterior 
Body kit $0
Bodyside cladding$350 
Bodyside moldings $75
Rear spoiler $200
Infotainment 
Aux input$50 
CD player $125
DVD-compatible player$0 
HD radio$50 
iPod integration$100 
Media drive$15 
Telematics service, such as OnStar $200
Traffic information$25 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Compass$0 
Cornering lights$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Aluminum trim $100
Heated second row seats$200 
Manual lumbar adjuster, driver seat $50
Manual thigh support length adjuster, driver seat$50 
Manual tilt adjuster, passenger seat $50
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power tilt adjuster, passenger seat$100 
Power-folding headrests, second row seats $50
Suspension, Wheels, and Tires 
Sport suspension (upgrade)$0 
Ultra-sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$5,605$2,015
Value of Feature Adjustments$3,590$0
Value of Feature Adjustments-3,3460

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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 Year20112006
ModelA6 / S6C-Class
Body4dr Sedan4dr Sedan
Wheelbase111.9 in106.9 in
Length193.5 in178.4 in
Width73.0 in68.0 in
Height57.5 in55.6 in
Curb Weight4,519 lb.3,540 lb.
Fuel Capacity21.1 gal.16.4 gal.
Row 1 Headroom38.7 in38.9 in
Row 1 Shoulder Room57.1 in53.1 in
Row 1 Hip Room0.0 in51.9 in
Row 1 Legroom41.3 in41.7 in
Row 2 Headroom37.8 in37.3 in
Row 2 Shoulder Room55.9 in54.3 in
Row 2 Hip Room0.0 in54.5 in
Row 2 Legroom36.9 in33.0 in
Cargo Volume15.9 ft312.2 ft3

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

Option Package Details
Mercedes-Benz C-Class C55

Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
CD changer, remote200Yes
Rain-sensing wipers175Yes
Sunshade, rear, power225Yes
Total Requested600100%
Total Not Requested00%

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