Mercedes-Benz SLK Mercedes-Benz SLK 2016 Audi A6 / S6 Audi A6 / S6 2014

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

Join Us

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: $75,295

Audi A6 / S6 S6 4.0 TFSI   
Difference: $6,395

Lowest Total Invoice: $70,091

Audi A6 / S6 S6 4.0 TFSI   
Difference: $5,947

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162014
ModelSLKA6 / S6
TrimAMG SLK55S6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $72,600 $73,400
Base Invoice $67,518 $68,262
Premium 3 Package 1,295  
Premium 2 Package 3,050  
Metallic paint (extra cost) 720 500
Illuminated door sill trim plates 850  
Carbon fiber trim 2,250 500
Premium 3 Package 1,204  
Premium 2 Package 2,837  
Metallic paint (extra cost) 670 467
Illuminated door sill trim plates 791  
Carbon fiber trim 2,093 467
Options (change) 8,165 1,000
Options (change) 7,595 934
Destination 925 895
Total Price $81,690 $75,295
Total Invoice $76,038 $70,091

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 Mercedes-Benz SLK dealer quotes or Audi A6 / S6 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: Mercedes-Benz SLK vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $3,600
TrueDelta Adjusted Invoice Difference: $3,345
Model Year20162014
ModelSLKA6 / S6
TrimAMG SLK55S6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8420hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG17/27 MPG
Audio (watts, speakers)500, 11630, 14
Tire (rear if not all the same)235/40-18255/40-19
Total Price$81,690$75,295
Adjustments for Features-2,7950
Feature-Adjusted Total Price$78,895$75,295
Total Invoice$76,038$70,091
Adjustments for Features-2,6020
Feature-Adjusted Total Invoice$73,436$70,091

Return to top

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

Model Year20162014
ModelSLKA6 / S6
TrimAMG SLK55S6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Remote app$25 
Remote window/roof operation$15 
Semi-automated parking system$500 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Collision preparation system, rear $100
Driver drowsiness monitor$150 
Lane departure warning$200 
Rearview camera $200
Roll bar$200 
Rollover sensor $50
Torque vectoring, brake-based$100 
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 
Automatic start / stop$150 
Regenerative braking $0
Exterior 
Glass roof panel(s)$300 
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
App support$0 
Handwriting recognition $200
iPod integration $100
Navigation map updates, three years$0 
SD Card slot$25 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
USB port$25 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Cornering lights $50
Headlight washers$50 
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
Memory system, passenger seat$150 
Neck-level heating, front seats$150 
No leather in second row$-300 
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Total Value of Features$10,385$7,590
Value of Feature Adjustments$2,795$0
Value of Feature Adjustments-2,6020

Return to top

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

Model Year20162014
ModelSLKA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in114.7 in
Length162.8 in193.9 in
Width71.5 in73.8 in
Height51.2 in57.8 in
Curb Weight3,528 lb.4,398 lb.
Fuel Capacity15.9 gal.19.8 gal.
Row 1 Headroom38.0 in37.2 in
Row 1 Shoulder Room52.2 in57.5 in
Row 1 Legroom42.5 in41.3 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in56.3 in
Row 2 Legroom0.0 in37.4 in
Cargo Volume,
Minimum
6.4 ft314.1 ft3
Cargo Volume,
Maximum
10.1 ft314.1 ft3

Return to top

Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 3 Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Lane departure warning system200No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Parking guidance system - active500No
Total Requested90056%
Total Not Requested70044%
Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200Yes
App support0No
Navigation map updates, three years0No
DVD-compatible player0Yes
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested141598%
Total Not Requested252%

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 Convertibles
See TrueDelta's information for all Mercedes-Benz models.