Audi A6 / S6 Audi A6 / S6 2014 Mercedes-Benz CLS Mercedes-Benz CLS 2006

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Audi A6 / S6 vs. Mercedes-Benz CLS 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 CLS Invoice Comparison

Lowest Total Price: $77,645

Audi A6 / S6 S6 4.0 TFSI   
Difference: $18,519

Lowest Total Invoice: $72,276

Audi A6 / S6 S6 4.0 TFSI   
Difference: $17,330

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142006
ModelA6 / S6CLS
TrimS6 4.0 TFSICLS55 AMG
Body4dr Sedan4dr Sedan
Base Price $73,400 $86,600
Base Invoice $68,262 $80,538
Comfort Seating Package 2,000  
Metallic paint (extra cost) 500  
Rear side airbags 350  
Sunshade, rear, power 500  
Lighting Package   1,220
Comfort Package   1,750
Obstacle detection, rear   1,100
Satellite radio   699
Proximity key   1,080
Navigation system   1,240
Comfort Seating Package 1,860  
Metallic paint (extra cost) 467  
Rear side airbags 325  
Sunshade, rear, power 467  
Lighting Package   1,135
Comfort Package   1,628
Obstacle detection, rear   1,023
Satellite radio   650
Proximity key   1,004
Navigation system   1,153
Options (change) 3,350 7,089
Options (change) 3,119 6,593
Destination 895 775
Gas Tax 0 1,700
Total Price $77,645 $96,164
Total Invoice $72,276 $89,606

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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 CLS dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $22,234
TrueDelta Adjusted Invoice Difference: $20,788
Model Year20142006
ModelA6 / S6CLS
TrimS6 4.0 TFSICLS55 AMG
Body4dr Sedan4dr Sedan
Engine420hp V8469hp V8
TransmissionS7T5
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)17/27 MPG14/20 MPG
Audio (watts, speakers)630, 14480, 13
Tire (rear if not all the same)255/40-19255/35-19
Total Price$77,645$96,164
Adjustments for Features-3,7150
Feature-Adjusted Total Price$73,930$96,164
Total Invoice$72,276$89,606
Adjustments for Features-3,4580
Feature-Adjusted Total Invoice$68,818$89,606

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

Model Year20142006
ModelA6 / S6CLS
TrimS6 4.0 TFSICLS55 AMG
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
5-speed manually-shiftable automatic $1000
AWD$1700 
RWD $0
Accessories 
Remote window/roof operation $15
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Blind spot warning system$200 
Collision preparation system, rear$100 
Knee airbag, passenger$75 
Rearview camera$200 
Tire-pressure monitor$75 
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Rear seat pass-through$100 
Second-row low console $100
Drivetrain 
Active rear differential$500 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Bright-finished exhaust tip(s)$25 
Infotainment 
Aux input$50 
Bluetooth audio streaming$25 
Bluetooth cell phone link$100 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration$100 
Media drive$15 
MP3-compatible player$50 
Telematics service, such as OnStar $200
Traffic + travel information$25 
Voice control for nav and audio$100 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Compass$0 
Cornering lights$50 
Fog lights $125
Headlight washers $50
Power-folding mirrors$50 
Seats and Interior Trim 
Automatic seat bolsters, driver $300
Automatic seat bolsters, front passenger $300
Folding second row seats$300 
Illuminated door sill trim plates$200 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $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 
Power-folding headrests, second row seats $50
Synthetic suede inserts in leather seating surfaces $0
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Total Value of Features$7,030$3,315
Value of Feature Adjustments$3,715$0
Value of Feature Adjustments-3,4580

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

Model Year20142006
ModelA6 / S6CLS
Body4dr Sedan4dr Sedan
Wheelbase114.7 in112.4 in
Length193.9 in193.0 in
Width73.8 in73.7 in
Height57.8 in54.7 in
Curb Weight4,398 lb.4,069 lb.
Fuel Capacity19.8 gal.21.1 gal.
Row 1 Headroom37.2 in36.9 in
Row 1 Shoulder Room57.5 in56.2 in
Row 1 Hip Room0.0 in58.0 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.8 in36.1 in
Row 2 Shoulder Room56.3 in56.0 in
Row 2 Hip Room0.0 in57.6 in
Row 2 Legroom37.4 in35.0 in
Cargo Volume14.1 ft315.8 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh support 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%

Option Package Details
Mercedes-Benz CLS CLS55 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Headlight washers50No
Total Requested65093%
Total Not Requested507%
Comfort Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Automatic seat bolsters, driver200No
Automatic seat bolsters, front passenger200No
Sunshade, rear, power225Yes
Total Requested52557%
Total Not Requested40043%

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