Audi A6 / S6 Audi A6 / S6 2014 Mercedes-Benz SLK Mercedes-Benz SLK 2006
MENU
1 0 3 4 3 4

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $68,150

Mercedes-Benz SLK SLK55 AMG   
Difference: $6,645

Lowest Total Invoice: $63,525

Mercedes-Benz SLK SLK55 AMG   
Difference: $6,099

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142006
ModelA6 / S6SLK
TrimS6 4.0 TFSISLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $73,400 $61,500
Base Invoice $68,262 $57,195
Metallic paint (extra cost) 500 690
Aluminum trim 0  
Lighting Package   990
Premium Package   1,470
Satellite radio   500
Bluetooth cell phone link   925
Metallic paint (extra cost) 467 642
Aluminum trim 0  
Lighting Package   921
Premium Package   1,367
Satellite radio   465
Bluetooth cell phone link   860
Options (change) 500 4,575
Options (change) 467 4,255
Destination 895 775
Gas Tax 0 1,300
Total Price $74,795 $68,150
Total Invoice $69,624 $63,525

Return to top

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: $3,750
TrueDelta Adjusted Invoice Difference: $3,404
Model Year20142006
ModelA6 / S6SLK
TrimS6 4.0 TFSISLK55 AMG
Body4dr Sedan2dr Hardtop conv.
Engine420hp V8355hp V8
TransmissionS7T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)17/27 MPG16/22 MPG
Audio (watts, speakers)630, 14?, 9
Tire (rear if not all the same)255/40-19225/40-18
Total Price$74,795$68,150
Adjustments for Features-2,8950
Feature-Adjusted Total Price$71,900$68,150
Total Invoice$69,624$63,525
Adjustments for Features-2,6950
Feature-Adjusted Total Invoice$66,929$63,525

Return to top

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

Model Year20142006
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 
Blind spot warning system$200 
Collision preparation system, rear$100 
Obstacle detection, front$150 
Obstacle detection, rear$250 
Rearview camera$200 
Rollover sensor$50 
Side curtain airbags$350 
Tire-pressure monitor$75 
Cargo Management 
Cargo net$40 
Rear seat pass-through$100 
Climate Control 
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 
Aux input$50 
Bluetooth audio streaming$25 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration$100 
Media drive$15 
MP3-compatible player$50 
Navigation system$600 
Surround sound$250 
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 
Power-folding mirrors$50 
Steering-linked headlights$150 
Visor mirror, driver $10
Visor mirror, passenger $10
Seats and Interior Trim 
Center armrest(s), second row$50 
Folding second row seats$300 
Illuminated door sill trim plates$200 
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Synthetic suede inserts in leather seating surfaces $0
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$11,730$8,835
Value of Feature Adjustments$2,895$0
Value of Feature Adjustments-2,6950

Return to top

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

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

Model Year20142006
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

Return to top

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 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Total Requested475100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.
See TrueDelta's information for all Sedans and Wagons.
See TrueDelta's information for all Audi models.