Audi A6 / S6 Audi A6 / S6 2007 Mercedes-Benz SLK Mercedes-Benz SLK 2016
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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: $78,320

Audi A6 / S6 S6   
Difference: $1,225

Lowest Total Invoice: $72,081

Audi A6 / S6 S6   
Difference: $1,962

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072016
ModelA6 / S6SLK
TrimS6AMG SLK55
Body4dr Sedan2dr Hardtop conv.
Base Price $72,000 $72,600
Base Invoice $66,148 $67,518
Technology Package 3,900  
Carbon fiber trim 400 2,250
Premium 2 Package   3,050
Metallic paint (extra cost)   720
Technology Package 3,549  
Carbon fiber trim 364 2,093
Premium 2 Package   2,837
Metallic paint (extra cost)   670
Options (change) 4,300 6,020
Options (change) 3,913 5,600
Destination 720 925
Gas Tax 1,300 0
Total Price $78,320 $79,545
Total Invoice $72,081 $74,043

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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 AMG SLK55
TrueDelta Adjusted Price Difference: $4,010
TrueDelta Adjusted Invoice Difference: $2,911
Model Year20072016
ModelA6 / S6SLK
TrimS6AMG SLK55
Body4dr Sedan2dr Hardtop conv.
Engine435hp V10415hp V8
TransmissionT6T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)15/21 MPG19/28 MPG
Audio (watts, speakers)330, 13500, 11
Tire (rear if not all the same)265/35-19235/40-18
Total Price$78,320$79,545
Adjustments for Features0-5,235
Feature-Adjusted Total Price$78,320$74,310
Total Invoice$72,081$74,043
Adjustments for Features0-4,873
Feature-Adjusted Total Invoice$72,081$69,170

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

Model Year20072016
ModelA6 / S6SLK
TrimS6AMG SLK55
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Power rear side windows$200 
Remote app $25
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Blind spot warning system $200
Driver drowsiness monitor $150
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, rear$250 
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 
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
DVD-compatible player $0
HD radio $50
In-vehicle Internet $150
Media drive $15
Navigation map updates, three years $0
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic + travel 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$5,940$11,175
Value of Feature Adjustments$0$5,235
Value of Feature Adjustments0-4,873

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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 Year20072016
ModelA6 / S6SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase111.9 in95.7 in
Length193.5 in162.8 in
Width73.1 in71.5 in
Height57.5 in51.2 in
Curb Weight4,486 lb.3,528 lb.
Fuel Capacity21.1 gal.15.9 gal.
Row 1 Headroom38.7 in38.0 in
Row 1 Shoulder Room57.1 in52.2 in
Row 1 Legroom41.3 in42.5 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room55.9 in0.0 in
Row 2 Legroom36.9 in0.0 in
Cargo Volume,
Minimum		15.9 ft36.4 ft3
Cargo Volume,
Maximum		15.910.1 ft3

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

Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250No
Rearview camera200No
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested95068%
Total Not Requested45032%

Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200No
DVD-compatible player0No
Media drive15No
Traffic + travel information25No
SD Card slot25No
In-vehicle Internet150No
App support0No
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested102571%
Total Not Requested41529%

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