Cadillac CT6 Cadillac CT6 2017 Mercedes-Benz SLK Mercedes-Benz SLK 2010

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Cadillac CT6 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.

Cadillac CT6 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $67,030

Cadillac CT6 Luxury   
Difference: $6,865

Lowest Total Invoice: $63,649

Cadillac CT6 Luxury   
Difference: $5,205

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017201720172010
ModelCT6CT6CT6SLK
TrimLuxuryPremium LuxuryPlatinumSLK55 AMG
Body4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.
Base Price $58,695 $63,895 $83,795 $66,650
Base Invoice $55,760 $60,700 $79,605 $61,985
CD player, remote 250 250    
3.0L V6 6,000 4,000 4,000  
Metallic paint (extra cost) 595 595   720
Rear spoiler 495 495 495  
Lighting Package       1,050
Multimedia Package       2,850
Automatic climate control, front       750
CD player, remote 223 223    
3.0L V6 5,700 3,800 3,800  
Metallic paint (extra cost) 530 530   670
Rear spoiler 441 441 441  
Lighting Package       976
Multimedia Package       2,650
Automatic climate control, front       698
Options (change) 7,340 5,340 4,495 5,370
Options (change) 6,894 4,994 4,241 4,994
Destination 995 995 995 875
Gas Tax 0 0 0 1,000
Total Price $67,030 $70,230 $89,285 $73,895
Total Invoice $63,649 $66,689 $84,841 $68,854

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

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

Lowest Adjusted Price and Invoice: Cadillac CT6 Luxury
TrueDelta Adjusted Price Difference: $8,325
TrueDelta Adjusted Invoice Difference: $6,591
Model Year2017201720172010
ModelCT6CT6CT6SLK
TrimLuxuryPremium LuxuryPlatinumSLK55 AMG
Body4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.
Engine404hp V6404hp V6404hp V6355hp V8
TransmissionT8T8T8T7
DrivetrainAWDAWDAWDRWD
EPA Fuel Economy (city/highway)18/26 MPG18/26 MPG18/26 MPG14/22 MPG
Audio (watts, speakers)?, 10?, 10?, 34?, 9
Tire (rear if not all the same)245/45-19245/45-19245/40-20225/40-18
Total Price$67,030$70,230$89,285$73,895
Adjustments for Features-1,460-3,460-13,2900
Feature-Adjusted Total Price$65,570$66,770$75,995$73,895
Cost Above Minimum$0$1,200$10,425$0
Total Invoice$63,649$66,689$84,841$68,854
Adjustments for Features-1,386-3,286-12,6290
Feature-Adjusted Total Invoice$62,263$63,403$72,212$68,854
Cost Above Minimum$0$1,140$9,949$0

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Features Comparison: Cadillac CT6 vs. Mercedes-Benz SLK

Model Year2017201720172010
ModelCT6CT6CT6SLK
TrimLuxuryPremium LuxuryPlatinumSLK55 AMG
Body4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300$1300 
7-speed manually-shiftable automatic   $1200
AWD$1700$1700$1700 
RWD   $0
Accessories 
AC power outlet$100$100$100 
Active noise reduction$0$0$0 
Adaptive cruise control, all-speed  $850 
Cruise control$150$150 $150
Electronic engine sound enhancement  $0 
Hands-free trunk or liftgate$100$100$100 
Heated steering wheel$100$100$100 
Power rear side windows$200$200$200 
Power trunk closer$350$350$350 
Proximity key$250$250$250 
Remote app$25$25$25 
Remote start$150$150$150 
Remote window/roof operation   $15
Semi-automated parking system$500$500$500 
Sunshades, second row$125$125$125 
Wind blocker, small   $100
Brakes, Airbags, and Other Safety 
Around view cameras$500$500$500 
Automatic braking, high-speed or partial  $200 
Automatic braking, low-speed$200$200$200 
Backup collision intervention  $150 
Blind spot warning system$200$200$200 
Cross-traffic warning, rear$100$100$100 
Following distance indicator$25$25$25 
Forward collision warning$200$200$200 
Lane departure warning$200$200$200 
Lane keeping assist$400$400$400 
Night vision  $1750 
Obstacle detection, front$150$150$150 
Obstacle detection, rear$250$250$250 
Pedestrian detection$50$50$50 
Radar- or camera-based collision preparation system$0$0$0 
Side curtain airbags$350$350$350 
Surround view video recorder$50$50$50 
Vehicle health reports$0$0$0 
Cargo Management 
Rear seat pass-through$100$100$100 
Climate Control 
Heated windshield washer nozzles   $15
Ionizing air filtration  $50 
Rear air vents$100$100  
Rear air vents with automatic controls  $250 
Rear dual-zone climate control  $125 
Residual heat   $50
Engine / Motor 
Automatic start / stop$150$150$150 
Exterior 
Active grille shutters$0$0$0 
Body kit   $0
Laminated front side windows$200$200$200 
Panoramic sunroof $1200$1200 
Power retractable hardtop   $6750
Infotainment 
4G LTE connectivity$0$0$0 
Android Auto support$100$100$100 
App support$0$0$0 
Apple CarPlay support$100$100$100 
Bluetooth audio streaming$25$25$25 
CD changer, in-dash   $325
CD player, remote$100$100  
DVD-compatible player   $0
Entertainment system with dual headrest screens  $1200 
HDMI port  $25 
iPod integration   $100
Media drive   $15
MP3-compatible player$50$50 $50
SD Card slot   $25
SMS text-to-speech reader$25$25$25 
Streaming video device  $30 
Streaming video support  $25 
Surround sound$250$250$250 
Telematics service, such as OnStar   $200
Telematics service, such as OnStar, with navigation$225$225$225 
USB port$25$25$25 
Voice control for external devices$0$0$0 
Wi-Fi hotspot$50$50$50 
Wireless charging station$75$75$75 
Instruments, Lights, and Mirrors 
Analog clock   $25
Approach detection$25$25$25 
Auto-dimming headlights$200$200$200 
Fog light, rear   $100
Fog lights   $125
Head-up display (HUD) $350$350 
Headlight washers   $50
Illuminated visor mirror, driver$50$50$50 
Illuminated visor mirror, passenger$50$50$50 
Large color reconfigurable instrument cluster display $250$250 
LED headlights$1000$1000$1000 
Mirror tilt-down in reverse   $25
Power-folding mirrors$50$50$50 
Rear camera mirror $200$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$50$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$200$200 
Leather door panel trim  $250$250
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$300$300  
Upholstered instrument panel, leather  $1000 
Wood trim$300$300$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500 
Rear wheel steering  $1500 
Sport suspension (upgrade)   $0
Total Value of Features$11,525$13,525$23,355$10,065
Value of Feature Adjustments$1,460$3,460$13,290$0
Value of Feature Adjustments-1,386-3,286-12,6290

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Specifications Comparison: Cadillac CT6 vs. Mercedes-Benz SLK

Model Year20172010
ModelCT6SLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase122.4 in95.7 in
Length204.0 in160.7 in
Width74.0 in70.4 in
Height57.9 in51.0 in
Curb Weight4,085 lb.3,420 lb.
Fuel Capacity19.5 gal.18.5 gal.
Row 1 Headroom40.1 in37.9 in
Row 1 Shoulder Room58.3 in52.2 in
Row 1 Hip Room55.8 in54.6 in
Row 1 Legroom42.3 in42.5 in
Row 2 Headroom38.0 in0.0 in
Row 2 Shoulder Room56.1 in0.0 in
Row 2 Hip Room53.4 in0.0 in
Row 2 Legroom40.4 in0.0 in
Cargo Volume,
Minimum
15.3 ft36.5 ft3
Cargo Volume,
Maximum
15.39.8 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50Yes
Total Requested55092%
Total Not Requested508%
Multimedia Package
FeatureValueRequested?
Navigation system600Yes
Satellite radio200Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Traffic information25Yes
HD radio50Yes
Media drive, large15No
SD Card slot25No
Total Requested97596%
Total Not Requested404%

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