Audi A6 / S6 Audi A6 / S6 2013 Mercedes-Benz SLK Mercedes-Benz SLK 2008
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Audi A6 / S6 vs. Mercedes-Benz SLK 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 SLK Invoice Comparison

Lowest Total Price: $70,800

Mercedes-Benz SLK SLK55 AMG   
Difference: $2,470

Lowest Total Invoice: $65,995

Mercedes-Benz SLK SLK55 AMG   
Difference: $2,211

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132008
ModelA6 / S6SLK
TrimS6 4.0 TFSISLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $71,900 $63,200
Base Invoice $66,868 $58,776
Metallic paint (extra cost) 475 710
Lighting Package   1,010
Premium II Package   1,410
iPod integration   375
Automatic climate control, front   720
Navigation system   1,200
Metallic paint (extra cost) 443 659
Lighting Package   939
Premium II Package   1,311
iPod integration   349
Automatic climate control, front   670
Navigation system   1,116
Options (change) 475 5,425
Options (change) 443 5,044
Destination 895 875
Gas Tax 0 1,300
Total Price $73,270 $70,800
Total Invoice $68,206 $65,995

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A6 / S6 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $1,050
TrueDelta Adjusted Invoice Difference: $889
Model Year20132008
ModelA6 / S6SLK
TrimS6 4.0 TFSISLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine420hp V8355hp V8
TransmissionS7T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)17/27 MPG14/20 MPG
Audio (watts, speakers)630, 14380, 11
Tire (rear if not all the same)255/40-19225/40-18
Total Price$73,270$70,800
Adjustments for Features-1,4200
Feature-Adjusted Total Price$71,850$70,800
Total Invoice$68,206$65,995
Adjustments for Features-1,3220
Feature-Adjusted Total Invoice$66,884$65,995

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

Model Year20132008
ModelA6 / S6SLK
TrimS6 4.0 TFSISLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Proximity key$250 
Remote window/roof operation $15
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rearview camera$200 
Rollover sensor$50 
Side curtain airbags$350 
Cargo Management 
Cargo net$40 
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Drivetrain 
Active rear differential$500 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Power retractable hardtop $6750
Rear spoiler $200
Sunroof$900 
Infotainment 
Bluetooth audio streaming$25 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
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 
Fog lights $125
Headlight washers $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Steering-linked headlights$150 
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Aluminum trim $100
Center armrest(s), second row$50 
Door sill trim plates $100
Folding second row seats$300 
Illuminated door sill trim plates$200 
Leather door panel trim $250
Memory system, passenger seat $150
No leather in second row $-300
Synthetic suede inserts in leather seating surfaces $0
Wood trim$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable$1000 
Electronic systems calibration selector$200 
Total Value of Features$10,405$8,985
Value of Feature Adjustments$1,420$0
Value of Feature Adjustments-1,3220

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

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

Model Year20132008
ModelA6 / S6SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase114.7 in95.7 in
Length193.9 in160.7 in
Width73.8 in70.4 in
Height57.8 in51.0 in
Curb Weight4,398 lb.3,420 lb.
Fuel Capacity19.8 gal.18.5 gal.
Row 1 Headroom37.2 in37.9 in
Row 1 Shoulder Room57.5 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room56.3 in0.0 in
Row 2 Legroom37.4 in0.0 in
Cargo Volume,
Minimum		14.1 ft36.5 ft3
Cargo Volume,
Maximum		14.19.8 ft3

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

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50Yes
Total Requested55092%
Total Not Requested508%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested40053%
Total Not Requested35047%

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