Mercedes-Benz SLK Mercedes-Benz SLK 2015 Audi A6 / S6 Audi A6 / S6 2007
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Mercedes-Benz SLK vs. Audi A6 / S6 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.

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

Lowest Total Price: $77,975

Mercedes-Benz SLK SLK55 AMG   
Difference: $345

Lowest Total Invoice: $72,081

Audi A6 / S6 S6   
Difference: $502

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152007
ModelSLKA6 / S6
TrimSLK55 AMGS6
Body2dr Hardtop conv.4dr Sedan
Base Price $70,900 $72,000
Base Invoice $65,937 $66,148
Automatic climate control, front 760  
Becker Map Pilot 800  
Metallic paint (extra cost) 720  
Carbon fiber trim 2,250 400
Obstacle detection, rear 970  
Proximity key 650  
Technology Package   3,900
Automatic climate control, front 707  
Becker Map Pilot 744  
Metallic paint (extra cost) 670  
Carbon fiber trim 2,093 364
Obstacle detection, rear 902  
Proximity key 605  
Technology Package   3,549
Options (change) 6,150 4,300
Options (change) 5,721 3,913
Destination 925 720
Gas Tax 0 1,300
Total Price $77,975 $78,320
Total Invoice $72,583 $72,081

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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 Mercedes-Benz SLK dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $5,865
TrueDelta Adjusted Invoice Difference: $4,636
Model Year20152007
ModelSLKA6 / S6
TrimSLK55 AMGS6
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8435hp V10
TransmissionT7T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG15/21 MPG
Audio (watts, speakers)500, 11330, 13
Tire (rear if not all the same)235/40-18265/35-19
Total Price$77,975$78,320
Adjustments for Features-5,5200
Feature-Adjusted Total Price$72,455$78,320
Total Invoice$72,583$72,081
Adjustments for Features-5,1380
Feature-Adjusted Total Invoice$67,445$72,081

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

Model Year20152007
ModelSLKA6 / S6
TrimSLK55 AMGS6
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Parking guidance system - passive$250 
Power rear side windows $200
Remote app$25 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Driver drowsiness monitor$150 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rearview camera $200
Roll bar$200 
Torque vectoring, brake-based$100 
Cargo Management 
Cargo net $40
Rear seat pass-through $100
Ski sack $50
Storage compartment under front seat(s) $50
Climate Control 
Rear air vents $100
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Exterior 
Body kit$0 
Bodyside cladding $350
Glass roof panel(s)$300 
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, remote $200
CD player$125 
HD radio$50 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic information$25 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Fog lights $125
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Manual thigh support length adjuster, driver seat $50
Memory system, passenger seat$150 
Neck-level heating, front seats$150 
Synthetic suede inserts in leather seating surfaces$0 
Total Value of Features$11,210$5,690
Value of Feature Adjustments$5,520$0
Value of Feature Adjustments-5,1380

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

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

Model Year20152007
ModelSLKA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in111.9 in
Length162.8 in193.5 in
Width71.5 in73.1 in
Height51.2 in57.5 in
Curb Weight3,583 lb.4,486 lb.
Fuel Capacity15.9 gal.21.1 gal.
Row 1 Headroom38.0 in38.7 in
Row 1 Shoulder Room52.2 in57.1 in
Row 1 Legroom42.5 in41.3 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in55.9 in
Row 2 Legroom0.0 in36.9 in
Cargo Volume,
Minimum		6.4 ft315.9 ft3
Cargo Volume,
Maximum		10.1 ft315.9 ft3

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

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Becker Map Pilot
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Traffic information25No
Total Requested70097%
Total Not Requested253%

Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested120086%
Total Not Requested20014%

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