Mercedes-Benz GLS Mercedes-Benz GLS 2018 Cadillac CT6 Cadillac CT6 2018

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Mercedes-Benz GLS 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 GLS vs. Cadillac CT6 Invoice Comparison

Lowest Total Price: $89,845

Cadillac CT6 Platinum   
Difference: $39,060

Lowest Total Invoice: $85,369

Cadillac CT6 Platinum   
Difference: $34,582

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018
ModelGLSCT6
TrimAMG GLS63Platinum
Body4dr SUV4dr Sedan
Base Price $125,300 $84,295
Base Invoice $116,529 $80,080
Sunshades, second row 380  
Entertainment system with dual headrest screens 1,950  
Ionizing air filtration 280  
Rear spoiler   495
Cargo net   60
3.0L V6   4,000
Sunshades, second row 353  
Entertainment system with dual headrest screens 1,814  
Ionizing air filtration 260  
Rear spoiler   441
Cargo net   53
3.0L V6   3,800
Options (change) 2,610 4,555
Options (change) 2,427 4,294
Destination 995 995
Total Price $128,905 $89,845
Total Invoice $119,951 $85,369

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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 GLS dealer quotes or Cadillac CT6 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Cadillac CT6 Platinum
TrueDelta Adjusted Price Difference: $38,710
TrueDelta Adjusted Invoice Difference: $34,256
Model Year20182018
ModelGLSCT6
TrimAMG GLS63Platinum
Body4dr SUV4dr Sedan
Engine550hp V8404hp V6
TransmissionT7T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/17 MPG18/26 MPG
Audio (watts, speakers)830, 14?, 34
Tire (rear if not all the same)295/40-21245/40-20
Total Price$128,905$89,845
Adjustments for Features-3500
Feature-Adjusted Total Price$128,555$89,845
Total Invoice$119,951$85,369
Adjustments for Features-3260
Feature-Adjusted Total Invoice$119,625$85,369

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Features Comparison: Mercedes-Benz GLS vs. Cadillac CT6

Model Year20182018
ModelGLSCT6
TrimAMG GLS63Platinum
Body4dr SUV4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
8-speed manually-shiftable automatic $1300
AWD$1700$1700
Accessories 
Active noise reduction $0
Electronic engine sound enhancement $0
Hands-free trunk or liftgate $100
Heated / cooled cup holders, front row$75 
Heated steering wheel $100
Power door closers$300 
Power flip-out rear side windows$125 
Power liftgate$350 
Power trunk closer $350
Remote climate control$25 
Remote start $150
Remote start via app$75 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Backup collision intervention $150
Blind spot collision prevention$150 
Cross-traffic warning, rear $100
Driver drowsiness monitor$150 
Following distance indicator $25
Hands-free driving on limited-access highways $1000
Hill descent control$250 
Knee airbag, passenger $75
Lane departure prevention$150 
Lane keeping assist $400
Night vision $1750
Pedestrian detection $50
Rear side airbags$300 
Rollover sensor$50 
Safety key $5
Side curtain airbags $350
Side curtain airbags, three rows$500 
Surround view video recorder $50
Trailer sway control$25 
Vehicle health reports $0
Cargo Management 
Aluminum roof rails$250 
Cargo cover$75 
Console with shifter $150
Console without shifter$150 
Rear seat pass-through $100
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Rear dual-zone climate control $125
Rear HVAC unit$400 
Rear wiper$175 
Exterior 
Active grille shutters $0
Deep-tinted rear windows$275 
Glass roof panel(s)$300 
Rear bumper protector$40 
Running boards$350 
Wheel-lip moldings$75 
Infotainment 
4G LTE connectivity $0
Aux input $50
CD player$125 
DVD-compatible player$0 
HDMI port $25
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
Navigation map updates, three years$0 
SD Card slot$25 
Streaming video device $30
Streaming video support $25
Traffic + travel information$25 
Traffic information $25
Voice control for external devices $0
Wireless charging station $75
Instruments, Lights, and Mirrors 
Adaptive headlights$200 
Analog clock$25 
Approach detection $25
Compass$0 
Cornering lights $50
Fog light, rear$100 
Head-up display (HUD) $350
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Large color reconfigurable instrument cluster display $250
Mirror tilt-down in reverse$25 
Rear camera mirror $200
Seats and Interior Trim 
Cooled or ventilated second row seats $200
Folding second row seats$300 
Leather seating surfaces, third-row seats$200 
Manual recliner, second row seats$75 
Massage, second row seats $150
Power 4-way lumbar adjuster, second row seats $225
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power recliner, second row seats $150
Power release, second row seats$50 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power tilt adjuster, second row seats $150
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Power-folding third row seats$1000 
Suspension, Wheels, and Tires 
Active stabilizer bars$500 
Air suspension, auto-leveling and height adjustable$1000 
Crosswind stabilization$50 
Electronic systems calibration selector$200 
Rear wheel steering $1500
Sport suspension (upgrade)$0 
Total Value of Features$12,210$11,860
Value of Feature Adjustments$350$0
Value of Feature Adjustments-3260

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Specifications Comparison: Mercedes-Benz GLS vs. Cadillac CT6

Model Year20182018
ModelGLSCT6
Body4dr SUV4dr Sedan
Wheelbase121.1 in122.4 in
Length202.0 in204.0 in
Width76.1 in74.0 in
Height72.8 in57.9 in
Curb Weight5,754 lb.4,085 lb.
Fuel Capacity26.4 gal.19.5 gal.
Row 1 Headroom41.2 in40.1 in
Row 1 Shoulder Room58.5 in58.3 in
Row 1 Hip Room0.0 in55.8 in
Row 1 Legroom40.3 in42.3 in
Row 2 Headroom40.0 in38.0 in
Row 2 Shoulder Room58.3 in56.1 in
Row 2 Hip Room0.0 in53.4 in
Row 2 Legroom38.5 in40.4 in
Row 3 Headroom38.9 in0.0 in
Row 3 Shoulder Room50.5 in0.0 in
Row 3 Legroom35.0 in0.0 in
Cargo Volume,
Minimum
16.0 ft315.3 ft3
Cargo Volume,
Behind R2
49.4 ft315.3 ft3
Cargo Volume,
Maximum
93.8 ft315.3 ft3

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