Audi A6 / S6 Audi A6 / S6 2007 Mercedes-Benz SLK Mercedes-Benz SLK 2010

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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: $71,045

Mercedes-Benz SLK SLK55 AMG   
Difference: $2,975

Lowest Total Invoice: $66,204

Mercedes-Benz SLK SLK55 AMG   
Difference: $1,964

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072010
ModelA6 / S6SLK
TrimS6SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $72,000 $66,650
Base Invoice $66,148 $61,985
Lighting Package   1,050
Metallic paint (extra cost)   720
Automatic climate control, front   750
Lighting Package   976
Metallic paint (extra cost)   670
Automatic climate control, front   698
Options (change) 0 2,520
Options (change) 0 2,344
Destination 720 875
Gas Tax 1,300 1,000
Total Price $74,020 $71,045
Total Invoice $68,168 $66,204

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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 SLK dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $5,745
TrueDelta Adjusted Invoice Difference: $4,545
Model Year20072010
ModelA6 / S6SLK
TrimS6SLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine435hp V10355hp V8
TransmissionT6T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)15/21 MPG14/22 MPG
Audio (watts, speakers)330, 13?, 9
Tire (rear if not all the same)265/35-19225/40-18
Total Price$74,020$71,045
Adjustments for Features0-2,770
Feature-Adjusted Total Price$74,020$68,275
Total Invoice$68,168$66,204
Adjustments for Features0-2,581
Feature-Adjusted Total Invoice$68,168$63,623

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

Model Year20072010
ModelA6 / S6SLK
TrimS6SLK55 AMG
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 window/roof operation $15
Wind blocker, small $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Knee airbag, driver $75
Knee airbag, passenger $75
Side curtain airbags$350 
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 
Exterior 
Body kit $0
Bodyside cladding$350 
Power retractable hardtop $6750
Rear spoiler $200
Sunroof$900 
Infotainment 
Aux input $50
CD changer, in-dash $325
CD changer, remote$200 
iPod integration $100
Satellite radio$200 
Surround sound$250 
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Compass$0 
Cornering lights $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Power-folding mirrors$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 
Folding second row seats$300 
Manual thigh support length adjuster, driver seat$50 
Memory system, passenger seat $150
Synthetic suede inserts in leather seating surfaces $0
Wood trim$300 
Total Value of Features$6,665$9,435
Value of Feature Adjustments$0$2,770
Value of Feature Adjustments0-2,581

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

Model Year20072010
ModelA6 / S6SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase111.9 in95.7 in
Length193.5 in160.7 in
Width73.1 in70.4 in
Height57.5 in51.0 in
Curb Weight4,486 lb.3,420 lb.
Fuel Capacity21.1 gal.18.5 gal.
Row 1 Headroom38.7 in37.9 in
Row 1 Shoulder Room57.1 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 Room55.9 in0.0 in
Row 2 Legroom36.9 in0.0 in
Cargo Volume,
Minimum
15.9 ft36.5 ft3
Cargo Volume,
Maximum
15.99.8 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50No
Total Requested55092%
Total Not Requested508%

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