Mercedes-Benz SLK Mercedes-Benz SLK 2008 Cadillac CT6 Cadillac CT6 2019

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Mercedes-Benz SLK vs. Cadillac CT6 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. Cadillac CT6 Invoice Comparison

Lowest Total Price: $70,800

Mercedes-Benz SLK SLK55 AMG   
Difference: $18,785

Lowest Total Invoice: $65,995

Mercedes-Benz SLK SLK55 AMG   
Difference: $19,196

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082019
ModelSLKCT6
TrimSLK55 AMGPlatinum
Body2dr Hardtop conv.4dr Sedan
Base Price $63,200 $86,795
Base Invoice $58,776 $82,455
Premium II Package 1,410  
Lighting Package 1,010  
Metallic paint (extra cost) 710  
Automatic climate control, front 720  
Navigation system 1,200  
iPod integration 375  
4.2L V8   0
Rear spoiler   495
Premium II Package 1,311  
Lighting Package 939  
Metallic paint (extra cost) 659  
Automatic climate control, front 670  
Navigation system 1,116  
iPod integration 349  
4.2L V8   0
Rear spoiler   441
Options (change) 5,425 495
Options (change) 5,044 441
Destination 875 995
Gas Tax 1,300 1,300
Total Price $70,800 $89,585
Total Invoice $65,995 $85,191

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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 Mercedes-Benz SLK dealer quotes or Cadillac CT6 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz SLK vs. Cadillac CT6

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $4,075
TrueDelta Adjusted Invoice Difference: $5,208
Model Year20082019
ModelSLKCT6
TrimSLK55 AMGPlatinum
Body2dr Hardtop conv.4dr Sedan
Engine355hp V8500hp V8
TransmissionT7T10
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/20 MPG14/25 MPG
Audio (watts, speakers)380, 11?, 34
Tire (rear if not all the same)225/40-18245/45-19
Total Price$70,800$89,585
Adjustments for Features0-14,710
Feature-Adjusted Total Price$70,800$74,875
Total Invoice$65,995$85,191
Adjustments for Features0-13,988
Feature-Adjusted Total Invoice$65,995$71,203

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Features Comparison: Mercedes-Benz SLK vs. Cadillac CT6

Model Year20082019
ModelSLKCT6
TrimSLK55 AMGPlatinum
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
10-speed manually-shiftable automatic $1500
RWD$0 
AWD $1700
Accessories 
AC power outlet $100
Active noise reduction $0
Adaptive cruise control, all-speed $850
Cruise control$150 
Electronic engine sound enhancement $0
Hands-free trunk or liftgate $100
Heated steering wheel $100
Power rear side windows $200
Power trunk closer $350
Proximity key $250
Remote app $25
Remote start $150
Remote window/roof operation$15 
Semi-automated parking system $500
Sunshades, second row $125
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Backup collision intervention $150
Blind spot warning system $200
Cross-traffic warning, rear $100
Following distance indicator $25
Forward collision warning $200
Hands-free driving on limited-access highways $1000
Lane departure warning $200
Lane keeping assist $400
Night vision $1750
Obstacle detection, front $150
Obstacle detection, rear $250
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Safety key $5
Side curtain airbags $350
Surround view video recorder $50
Vehicle health reports $0
Cargo Management 
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
Ionizing air filtration $50
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Residual heat$50 
Engine / Motor 
Automatic start / stop $150
Exterior 
Active grille shutters $0
Body kit$0 
Laminated front side windows $200
Panoramic sunroof $1200
Power retractable hardtop$6750 
Infotainment 
4G LTE connectivity $0
Android Auto support $100
App support $0
Apple CarPlay support $100
Bluetooth audio streaming $25
CD player$125 
Entertainment system with dual headrest screens $1200
HD radio $50
HDMI port $25
iPod integration$100 
SMS text-to-speech reader $25
Streaming video device $30
Streaming video support $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic information $25
USB port $25
Voice control for external devices $0
Voice control for nav and audio $100
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Analog clock$25 
Approach detection $25
Auto-dimming headlights $200
Fog light, rear$100 
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Power-folding mirrors $50
Rear camera mirror $200
Visor mirror, driver$10 
Visor mirror, passenger$10 
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim$100 
Center armrest(s), second row $50
Cooled or ventilated front seats $300
Cooled or ventilated second row seats $200
Door sill trim plates$100 
Heated second row seats $200
Illuminated door sill trim plates $200
Massage, driver seat $100
Massage, passenger seat $100
Massage, second row seats $150
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, second row seats $225
Power recliner, second row seats $150
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Power tilt adjuster, second row seats $150
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Synthetic suede headliner $650
Synthetic suede inserts in leather seating surfaces$0 
Upholstered instrument panel, leather $1000
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Rear wheel steering $1500
Sport suspension (upgrade)$0 
Total Value of Features$9,525$24,235
Value of Feature Adjustments$0$14,710
Value of Feature Adjustments0-13,988

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Specifications Comparison: Mercedes-Benz SLK vs. Cadillac CT6

Model Year20082019
ModelSLKCT6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in122.4 in
Length160.7 in205.8 in
Width70.4 in74.0 in
Height51.0 in58.0 in
Curb Weight3,420 lb.4,426 lb.
Fuel Capacity18.5 gal.19.5 gal.
Row 1 Headroom37.9 in40.2 in
Row 1 Shoulder Room52.2 in58.3 in
Row 1 Hip Room54.6 in55.9 in
Row 1 Legroom42.5 in42.3 in
Row 2 Headroom0.0 in38.0 in
Row 2 Shoulder Room0.0 in56.2 in
Row 2 Hip Room0.0 in53.5 in
Row 2 Legroom0.0 in40.4 in
Cargo Volume,
Minimum
6.5 ft315.3 ft3
Cargo Volume,
Maximum
9.8 ft315.3 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested40053%
Total Not Requested35047%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50Yes
Total Requested55092%
Total Not Requested508%

Option Package Details
Cadillac CT6 Platinum

turbocharged
4.2L V8
DOHC-4v
500 hp@5000
574 lb-ft@3400
FeatureValueRequested?
turbocharged
4.2L V8
DOHC-4v
500 hp@5000
574 lb-ft@3400
1000Yes
1300 Gas-Guzzler Tax0Yes
Total Requested1000100%
Total Not Requested00%

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