Mercedes-Benz SLK Mercedes-Benz SLK 2011 Audi A6 / S6 Audi A6 / S6 2018

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: $64,225

Mercedes-Benz SLK SLK350   
Difference: $9,225

Lowest Total Invoice: $59,792

Mercedes-Benz SLK SLK350   
Difference: $8,587

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112018
ModelSLKA6 / S6
TrimSLK350S6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $53,300 $71,900
Base Invoice $49,569 $66,868
Multimedia Package 2,890  
Premium 1 Package 2,590  
Lighting Package 1,070  
Metallic paint (extra cost) 720 575
Wood trim 690  
Upgraded leather upholstery 630  
Automatic climate control, front 760  
Illuminated door sill trim plates 700  
Multimedia Package 2,688  
Premium 1 Package 2,409  
Lighting Package 995  
Metallic paint (extra cost) 670 536
Wood trim 642  
Upgraded leather upholstery 586  
Automatic climate control, front 707  
Illuminated door sill trim plates 651  
Options (change) 10,050 575
Options (change) 9,348 536
Destination 875 975
Total Price $64,225 $73,450
Total Invoice $59,792 $68,379

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: Mercedes-Benz SLK SLK350
TrueDelta Adjusted Price Difference: $7,595
TrueDelta Adjusted Invoice Difference: $7,070
Model Year20112018
ModelSLKA6 / S6
TrimSLK350S6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Engine300hp V6450hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)18/26 MPG16/24 MPG
Audio (watts, speakers)?, 9630, 14
Tire (rear if not all the same)225/40-18255/35-20
Total Price$64,225$73,450
Adjustments for Features0-1,630
Feature-Adjusted Total Price$64,225$71,820
Total Invoice$59,792$68,379
Adjustments for Features0-1,517
Feature-Adjusted Total Invoice$59,792$66,862

Return to top

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

Model Year20112018
ModelSLKA6 / S6
TrimSLK350S6 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
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
Secondary collision brake assist $25
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
Engine / Motor 
Automatic start / stop $150
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Body kit$0 
Laminated front side windows $200
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
In-vehicle Internet $150
iPod integration$100 
Surround sound $250
Telematics service, such as OnStar$200 
Traffic + travel information $25
Traffic information$25 
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming passenger-side mirror $75
Compass $0
Cornering lights$50 
Fog lights$125 
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
LED headlights $1000
Power-folding mirrors $50
Visor mirror, driver$10 
Visor mirror, passenger$10 
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Heated front seats $200
Leather-wrapped steering wheel $150
Memory system, passenger seat$150 
No leather in second row$-300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$9,685$11,315
Value of Feature Adjustments$0$1,630
Value of Feature Adjustments0-1,517

Return to top

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

Model Year20112018
ModelSLKA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in114.6 in
Length160.7 in194.2 in
Width70.4 in73.8 in
Height51.0 in57.8 in
Curb Weight3,295 lb.4,398 lb.
Fuel Capacity18.5 gal.19.8 gal.
Row 1 Headroom37.9 in37.2 in
Row 1 Shoulder Room52.2 in57.5 in
Row 1 Hip Room54.6 in0.0 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
6.5 ft314.1 ft3
Cargo Volume,
Maximum
9.8 ft314.1 ft3

Return to top

Option Package Details
Mercedes-Benz SLK SLK350

Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15Yes
SD Card slot25Yes
Total Requested1015100%
Total Not Requested00%
Premium 1 Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Remote window/roof operation15No
Mirror tilt-down in reverse25Yes
Interior ambient lighting150Yes
iPod integration100Yes
Total Requested197592%
Total Not Requested1658%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

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.