Mercedes-Benz SLK Mercedes-Benz SLK 2016 Cadillac CT6 Cadillac CT6 2020

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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: $79,440

Mercedes-Benz SLK AMG SLK55   
Difference: $18,375

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162020
ModelSLKCT6
TrimAMG SLK55CT6-V
Body2dr Hardtop conv.4dr Sedan
Base Price $72,600 $94,895
Premium 3 Package 1,295  
Premium 2 Package 3,050  
Metallic paint (extra cost) 720 625
Illuminated door sill trim plates 850  
Premium 3 Package 1,204  
Premium 2 Package 2,837  
Metallic paint (extra cost) 670 556
Illuminated door sill trim plates 791  
Options (change) 5,915 625
Options (change) 5,502 556
Destination 925 995
Gas Tax 0 1,300
Total Price $79,440 $97,815

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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

Want to find out how much dealers are willing to discount these cars?

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: Mercedes-Benz SLK AMG SLK55
Lowest Adjusted Invoice: Cadillac CT6 CT6-V
TrueDelta Adjusted Price Difference: $19,160
TrueDelta Adjusted Invoice Difference: $70,363
Model Year20162020
ModelSLKCT6
TrimAMG SLK55CT6-V
Body2dr Hardtop conv.4dr Sedan
Engine415hp V8550hp V8
TransmissionT7T10
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/28 MPG14/25 MPG
Audio (watts, speakers)500, 11?, 10
Tire (rear if not all the same)235/40-18245/40-20
Total Price$79,440$97,815
Adjustments for Features-7850
Feature-Adjusted Total Price$78,655$97,815

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Features Comparison: Mercedes-Benz SLK vs. Cadillac CT6

Model Year20162020
ModelSLKCT6
TrimAMG SLK55CT6-V
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
Power rear side windows $200
Power trunk closer $350
Remote start $150
Remote window/roof operation$15 
Sunshades, second row $125
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Around view cameras $500
Automatic braking, low-speed $200
Cross-traffic warning, rear $100
Driver drowsiness monitor$150 
Following distance indicator $25
Forward collision warning $200
Lane keeping assist $400
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Roll bar$200 
Safety key $5
Surround view video recorder $50
Torque vectoring, brake-based$100 
Vehicle health reports $0
Cargo Management 
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
Rear air vents $100
Residual heat$50 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Exterior 
Active grille shutters $0
Body kit$0 
Glass roof panel(s)$300 
Laminated front side windows $200
Panoramic sunroof $1200
Power retractable hardtop$6750 
Rear spoiler$200 
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
CD player$125 
DVD-compatible player$0 
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
Navigation map updates, three years$0 
SD Card slot$25 
Traffic + travel information$25 
Traffic information $25
Voice control for external devices $0
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Analog clock$25 
Approach detection $25
Compass$0 
Cornering lights $50
Fog light, rear$100 
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 
Rear camera mirror $200
Steering-linked headlights$150 
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
Heated second row seats $200
Leather door panel trim$250 
Metal pedals$75 
Neck-level heating, front seats$150 
No leather in second row$-300 
Synthetic suede inserts in leather seating surfaces$0 
Upholstered instrument panel $300
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Sport suspension (upgrade)$0 
Total Value of Features$11,515$10,730
Value of Feature Adjustments$785$0
Value of Feature Adjustments-7310

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Specifications Comparison: Mercedes-Benz SLK vs. Cadillac CT6

Model Year20162020
ModelSLKCT6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in122.4 in
Length162.8 in205.8 in
Width71.5 in74.0 in
Height51.2 in58.0 in
Curb Weight3,528 lb.4,480 lb.
Fuel Capacity15.9 gal.19.5 gal.
Row 1 Headroom38.0 in40.2 in
Row 1 Shoulder Room52.2 in58.3 in
Row 1 Hip Room0.0 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
6.4 ft315.3 ft3
Cargo Volume,
Maximum
10.1 ft315.3 ft3

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Option Package Details
Mercedes-Benz SLK AMG SLK55

Premium 3 Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Lane departure warning system200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Parking guidance system - active500Yes
Total Requested110069%
Total Not Requested50031%
Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200Yes
DVD-compatible player0No
Media drive15No
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150No
App support0Yes
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested125087%
Total Not Requested19013%

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