Compare Cadillac CT6 Sedan vs Mercedes-Benz S-Class Sedan vs Porsche Panamera

Cadillac CT6 Sedan
2020 Cadillac CT6 Sedan
Select configuration:
$58,995
Starting Price (MSRP)
8.1
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Mercedes-Benz S-Class Sedan
2021 Mercedes-Benz S-Class Sedan
Select configuration:
$109,800
Starting Price (MSRP)
9.1
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Porsche Panamera
2021 Porsche Panamera
Select configuration:
$87,200
Starting Price (MSRP)
8.6
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Overview

Engine
3.6L V6 Gas
Engine
3.0L Turbo Inline-6 Gas
Engine
2.9L Twin-Turbo V6 Gas
Transmission
10-Speed Automatic
Transmission
9-Speed Automatic
Transmission
8-Speed Automatic
Drivetrain
All-Wheel Drive
Drivetrain
All-Wheel Drive
Drivetrain
Rear-Wheel Drive
Fuel Economy
City: 18 MPG
Hwy: 27 MPG
Fuel Economy
N/A
Fuel Economy
City: 18 MPG
Hwy: 24 MPG
Fuel Tank Capacity
19.2 gallons
Fuel Tank Capacity
22.2 gallons
Fuel Tank Capacity
23.7 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
4 seater
Trunk Volume
15.8 ft³
Trunk Volume
12.9 ft³
Trunk Volume
N/A
Cargo Volume with Rear Seat Down
N/A
Cargo Volume with Rear Seat Down
N/A
Cargo Volume with Rear Seat Down
47.3 ft³

Photos

12
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25
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6
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Performance Specs

Engine and Transmission

Engine
3.6L V6 Gas
3.0L Turbo Inline-6 Gas
2.9L Twin-Turbo V6 Gas
Horsepower
335 hp @ 6800 rpm
429 hp @ 6100 rpm
325 hp @ 5400 rpm
Torque
284 lb-ft @ 5300 rpm
384 lb-ft @ 1800 rpm
331 lb-ft @ 1800 rpm
Transmission
10-Speed Automatic
9-Speed Automatic
8-Speed Automatic
Drivetrain
All-Wheel Drive
All-Wheel Drive
Rear-Wheel Drive

Weight and Towing

Curb Weight
4,063 lbs
N/A
4,222 lbs

Fuel and MPG

Fuel Economy

Combined
21 MPG
N/A
20 MPG
City
18 MPG
N/A
18 MPG
Highway
27 MPG
N/A
24 MPG

Emissions

CO2 Emissions @ 15K mi/year
8.4 Tons/yr
N/A
8.8 Tons/yr

Fuel Tank

Fuel Tank Capacity
19.2 gallons
22.2 gallons
23.7 gallons
Cruising Range City
345.6 miles
N/A
426.6 miles
Cruising Range Highway
518.4 miles
N/A
568.8 miles

Dimensions and Measurement

Exterior Dimensions

Length
205.8 in
208.2 in
198.8 in
Height
58 in
59.2 in
56 in
Max Width
74 in
76.9 in
78.2 in
Front Width
63.4 in
65.2 in
65.8 in
Rear Width
64 in
66.3 in
65 in
Wheelbase
122.4 in
126.6 in
116.1 in
Ground Clearance
N/A
5.1 in
N/A

Interior Space

Seating Capacity
5 seater
5 seater
4 seater
Front Seat Leg Room
46.4 in
N/A
N/A
Front Seat Headroom
40.2 in
39.7 in
N/A
Front Seat Shoulder Room
58.3 in
59.7 in
N/A
Front Seat Hip Room
55.9 in
62.7 in
N/A
Rear Seat Leg Room
40.4 in
N/A
N/A
Rear Seat Headroom
38 in
39.5 in
N/A
Rear Seat Shoulder Room
56.2 in
57.8 in
N/A
Rear Seat Hip Room
53.5 in
61.9 in
N/A

Cargo Space

Trunk Volume
15.8 ft³
12.9 ft³
N/A
Cargo Volume with Rear Seat Up
N/A
N/A
17.6 ft³
Cargo Volume with Rear Seat Down
N/A
N/A
47.3 ft³

Wheels and Suspension

Steering

Steering Type
Electric Rack & Pinion
Rack-Pinion
Rack-Pinion
Turning Diameter
N/A
42 ft
39 ft

Wheels

Wheels Type
N/A
Aluminum Wheels
Aluminum Wheels
Front Wheel Size
19" x TBD
19" x 8.5"
19" x 9"
Rear Wheel Size
19" x TBD
19" x 8.5"
19" x 10.5"

Suspension

Front Suspension
Independent
Multi-Link
Double Wishbone
Rear Suspension
Independent
Multi-Link
Multi-Link

Tires

Front Tire
P245/45R19
P
P265/45YR19
Rear Tire
P245/45R19
P
P295/40YR19
Spare Tire
T135/70R18
N/A
N/A

Colors and Materials

Standard Exterior Colors

N/A
  • Anthracite Blue
  • Black
  • Cirrus Silver
  • Emerald Green
  • Graphite Grey
  • Mojave Silver
  • Obsidian Black
  • Onyx Black
  • Rubellite Red
  • Selenite Grey
  • Black
  • White

Optional Exterior Colors

N/A
designo Diamond White
  • Carrara White Metallic
  • Cherry Metallic
  • Dolomite Silver Metallic
  • Gentian Blue Metallic
  • Jet Black Metallic
  • Mahogany Metallic
  • Mamba Green Metallic
  • Night Blue Metallic
  • Truffle Brown Metallic
  • Volcano Grey Metallic
  • Amethyst Metallic
  • Carmine Red
  • Chalk
  • GT Silver Metallic
  • Papaya Metallic
  • Custom Color

Standard Interior Materials

  • Jet Black, Leather Seating Surfaces
  • Sahara Beige with Jet Black accents, Leather Seating Surfaces
  • Black, Leather Upholstery
  • Macchiato/Magma Grey, Leather Upholstery
  • Sienna Brown/Black, Leather Upholstery
  • Agate Grey, Partial Leather Seat Trim
  • Black, Partial Leather Seat Trim

Optional Interior Materials

N/A
  • Black, Nappa Leather Upholstery
  • Macchiato/Magma Grey, Nappa Leather Upholstery
  • Sienna Brown/Black, Nappa Leather Upholstery
  • Black, Exclusive Nappa Leather Upholstery
  • Carmine Red/Black, Exclusive Nappa Leather Upholstery
  • Macchiato/Magma grey, Exclusive Nappa Leather Upholstery
  • Sienna Brown/Black, Exclusive Nappa Leather Upholstery
  • Silver Grey/Black, Exclusive Nappa Leather Upholstery
  • Black/Luxor Beige, Partial Leather Seat Trim w/Two-Tone Interior
  • Agate Grey, Leather Seat Trim
  • Black, Leather Seat Trim
  • Marsala, Leather Seat Trim
  • Saddle Brown, Leather Seat Trim
  • Black/Bordeaux Red, Leather Seat Trim w/Two-Tone Interior
  • Black/Chalk, Leather Seat Trim w/Two-Tone Interior
  • Black/Luxor Beige, Leather Seat Trim w/Two-Tone Interior
  • Black/Saddle Brown, Leather Seat Trim w/Two-Tone Interior
  • Marsala/Cream, Leather Seat Trim w/Two-Tone Interior
  • Saddle Brown/Luxor Beige, Leather Seat Trim w/Two-Tone Interior
  • Cohiba Brown, Club Leather Seat Trim
  • Truffle Brown, Club Leather Seat Trim

Features and Options

Infotainment

HD Radio
Not Available
Standard
Standard
Bluetooth Connection
Standard
Standard
Standard
Hard Disk Drive Media Storage
Not Available
Standard
Not Available
Premium Sound System
Standard
Standard
Optional
Satellite Radio
Standard
Standard
Standard
Smart Device Integration
Not Available
Standard
Standard
WiFi Hotspot
Standard
Standard
Standard
Auxiliary Audio Input
Standard
Standard
Standard
MP3 Player
Standard
Standard
Standard

Interior Trim

Bucket Seats
Not Available
Standard
Standard
Cloth Seats
Standard
Standard
Standard
Leather Seats
Standard
Standard
Standard
Leather Steering Wheel
Standard
Standard
Standard
Premium Synthetic Seats
Standard
Standard
Standard
Vinyl Seats
Standard
Standard
Standard
Woodgrain Interior Trim
Standard
Standard
Optional
Sun/Moonroof
Standard
Standard
Standard

Comfort

Head-Up Display
Not Available
Optional
Optional
Navigation System
Standard
Standard
Standard
Steering Wheel Audio Controls
Not Available
Standard
Standard
Power Liftgate
Not Available
Not Available
Standard
Power Mirror(s)
Standard
Standard
Standard
A/C
Standard
Standard
Standard
Adaptive Cruise Control
Not Available
Standard
Optional
Automatic Parking
Not Available
Standard
Not Available
Climate Control
Standard
Standard
Standard
Cooled Front Seat(s)
Not Available
Standard
Optional
Cooled Rear Seat(s)
Not Available
Optional
Optional
Cruise Control
Standard
Standard
Standard
Hands-Free Liftgate
Not Available
Not Available
Standard
Heated Front Seat(s)
Standard
Standard
Standard
Heated Rear Seat(s)
Not Available
Optional
Optional
Heated Steering Wheel
Not Available
Optional
Optional
Keyless Entry
Standard
Standard
Standard
Multi-Zone A/C
Standard
Standard
Standard
Power Driver Seat
Not Available
Standard
Optional
Power Passenger Seat
Not Available
Standard
Optional
Remote Engine Start
Standard
Standard
Not Available
Remote Trunk Release
Not Available
Not Available
Standard
Seat Memory
Standard
Standard
Standard
Universal Garage Door Opener
Standard
Standard
Standard
Seat-Massage
Not Available
Standard
Optional
Rear A/C
Not Available
Not Available
Optional
Keyless Start
Standard
Standard
Standard
Telematics
Standard
Standard
Not Available

Safety

Safety Features

Back-Up Camera
Standard
Standard
Standard
Cross-Traffic Alert
Standard
Not Available
Not Available
Rear Parking Aid
Standard
Not Available
Standard
Blind Spot Monitor
Standard
Standard
Optional
Lane Departure Warning
Standard
Standard
Standard
Lane Keeping Assist
Standard
Standard
Standard
ABS
Standard
Standard
Standard
Night Vision
Not Available
Not Available
Optional
Tire Pressure Monitor
Not Available
Standard
Standard
Brake Assist
Not Available
Standard
Standard
Stability Control
Not Available
Standard
Standard
Traction Control
Not Available
Standard
Standard

Airbags

Driver Air Bag
Standard
Standard
Standard
Front Head Air Bag
Standard
Standard
Standard
Front Side Air Bag
Standard
Standard
Standard
Knee Air Bag
Standard
Standard
Standard
Passenger Air Bag
Standard
Standard
Standard
Rear Head Air Bag
Standard
Standard
Standard
Rear Side Air Bag
Not Available
Standard
Standard

Warranty

Warranty Summary

Basic
4 Years / 50,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Corrosion
4 Years / 50,000 Miles
4 Years / 50,000 Miles
12 Years / Unlimited Miles
Drivetrain
6 Years / 70,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Maintenance Note
1 Year/1 Visit
N/A
N/A
Roadside Assistance
6 Years / 70,000 Miles
4 Years / 50,000 Miles
4 Years / 50,000 Miles
Rust-Through
6 Years / Unlimited Miles
N/A
N/A
Maintenance
N/A
N/A
1 Years / 10,000 Miles
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