Mercedes-Benz SLK Mercedes-Benz SLK 2007 Cadillac CT6 Cadillac CT6 2018

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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: $67,560

Cadillac CT6 Luxury   
Difference: $2,950

Lowest Total Invoice: $64,150

Cadillac CT6 Luxury   
Difference: $1,568

Calculate Payments

  Down Payment Interest Rate Term
Model Year2007201820182018
ModelSLKCT6CT6CT6
TrimSLK55 AMGLuxuryPremium LuxuryPlatinum
Body2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Base Price $62,500 $59,195 $65,295 $84,295
Base Invoice $58,125 $56,235 $62,030 $80,080
Lighting Package 1,000      
Premium II Package 1,400      
Metallic paint (extra cost) 700 625 625  
Automatic climate control, front 710      
Navigation system 1,200      
Bluetooth cell phone link 925      
3.0L V6   6,000 4,000 4,000
CD player, remote   250 250  
Rear spoiler   495 495 495
Lighting Package 930      
Premium II Package 1,302      
Metallic paint (extra cost) 650 556 556  
Automatic climate control, front 660      
Navigation system 1,116      
Bluetooth cell phone link 860      
3.0L V6   5,700 3,800 3,800
CD player, remote   223 223  
Rear spoiler   441 441 441
Options (change) 5,935 7,370 5,370 4,495
Options (change) 5,518 6,920 5,020 4,241
Destination 775 995 995 995
Gas Tax 1,300 0 0 0
Total Price $70,510 $67,560 $71,660 $89,785
Total Invoice $65,718 $64,150 $68,045 $85,316

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

Lowest Adjusted Price and Invoice: Cadillac CT6 Luxury
TrueDelta Adjusted Price Difference: $5,205
TrueDelta Adjusted Invoice Difference: $3,709
Model Year2007201820182018
ModelSLKCT6CT6CT6
TrimSLK55 AMGLuxuryPremium LuxuryPlatinum
Body2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Engine355hp V8404hp V6404hp V6404hp V6
TransmissionT7T8T8T8
DrivetrainRWDAWDAWDAWD
EPA Fuel Economy (city/highway)16/22 MPG18/26 MPG18/26 MPG18/26 MPG
Audio (watts, speakers)380, 11?, 10?, 10?, 34
Tire (rear if not all the same)225/40-18245/45-19245/45-19245/40-20
Total Price$70,510$67,560$71,660$89,785
Adjustments for Features0-2,255-4,755-14,185
Feature-Adjusted Total Price$70,510$65,305$66,905$75,600
Cost Above Minimum$0$0$1,600$10,295
Total Invoice$65,718$64,150$68,045$85,316
Adjustments for Features0-2,141-4,515-13,479
Feature-Adjusted Total Invoice$65,718$62,009$63,530$71,837
Cost Above Minimum$0$0$1,521$9,828

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Features Comparison: Mercedes-Benz SLK vs. Cadillac CT6

Model Year2007201820182018
ModelSLKCT6CT6CT6
TrimSLK55 AMGLuxuryPremium LuxuryPlatinum
Body2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200   
8-speed manually-shiftable automatic $1300$1300$1300
RWD$0   
AWD $1700$1700$1700
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
Hands-free driving on limited-access highways   $1000
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
Safety key $5$5$5
Side curtain airbags $350$350$350
Surround view video recorder $50$50$50
Tire-pressure monitor $75$75$75
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 player$125   
CD player, remote $100$100 
Entertainment system with dual headrest screens   $1200
HD radio $50$50$50
HDMI port   $25
MP3-compatible player $50$50 
SMS text-to-speech reader $25$25$25
Streaming video device   $30
Streaming video support   $25
Telematics service, such as OnStar$200   
Telematics service, such as OnStar, with navigation $225$225$225
Traffic information $25$25$25
Voice control for external devices $0$0$0
Voice control for nav and audio $100$100$100
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$300
Cooled or ventilated second row seats   $200
Heated second row seats  $200$200
Illuminated door sill trim plates $200$200$200
Massage, driver seat   $100
Massage, passenger seat   $100
Massage, second row seats   $150
Power 4-way lumbar adjuster, driver seat $150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150
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 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$9,550$11,805$14,305$23,735
Value of Feature Adjustments$0$2,255$4,755$14,185
Value of Feature Adjustments0-2,141-4,515-13,479

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Specifications Comparison: Mercedes-Benz SLK vs. Cadillac CT6

Model Year20072018
ModelSLKCT6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in122.4 in
Length160.7 in204.0 in
Width70.4 in74.0 in
Height51.0 in57.9 in
Curb Weight3,420 lb.4,085 lb.
Fuel Capacity18.5 gal.19.5 gal.
Row 1 Headroom37.9 in40.1 in
Row 1 Shoulder Room52.2 in58.3 in
Row 1 Hip Room54.6 in55.8 in
Row 1 Legroom42.5 in42.3 in
Row 2 Headroom0.0 in38.0 in
Row 2 Shoulder Room0.0 in56.1 in
Row 2 Hip Room0.0 in53.4 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

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50Yes
Total Requested55092%
Total Not Requested508%
Premium II Package
FeatureValueRequested?
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested30046%
Total Not Requested35054%

Option Package Details
Cadillac CT6 Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50No
Total Requested10067%
Total Not Requested5033%
turbocharged
3.0L V6
DOHC-4v
404 hp@5500
400 lb-ft@2500
FeatureValueRequested?
turbocharged
3.0L V6
DOHC-4v
404 hp@5500
400 lb-ft@2500
1000Yes
AWD0Yes
245/45HR19 tires400No
Total Requested100071%
Total Not Requested40029%

Option Package Details
Cadillac CT6 Premium Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50No
Total Requested10067%
Total Not Requested5033%

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