Compare 2020 Cadillac CT6 vs 2020 Mercedes-Benz S Class

2020 Cadillac CT6
2020 Mercedes-Benz S Class
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4-Door Sedan 3.6L Luxury
Style MPG City MPG Hwy Invoice MSRP
CT6 4-Door Sedan 3.6L Luxury 18 27 $56,045 $58,995
CT6 4-Door Sedan 3.6L Premium Luxury 18 27 $70,770 $74,495
CT6 4-Door Sedan 4.2L Turbo Platinum 14 25 $91,670 $96,495
CT6-V 4-Door Sedan 14 25 $90,150 $94,895
Select style
AMG S 63 4MATIC+ Convertible
Style MPG City MPG Hwy Invoice MSRP
S-Class AMG S 63 4MATIC+ Convertible 15 24 $172,490 $183,500
S-Class AMG S 63 4MATIC+ Coupe 17 27 $161,116 $171,400
S-Class AMG S 63 4MATIC+ Sedan 17 26 $142,504 $151,600
S-Class AMG S 65 Sedan 13 22 $221,464 $235,600
S-Class Maybach S 560 4MATIC Sedan 16 25 $162,620 $173,000
S-Class Maybach S 650 Sedan 13 21 $190,397 $202,550
S-Class S 450 4MATIC Sedan 18 28 $91,415 $97,250
S-Class S 450 Sedan 19 28 $88,595 $94,250
S-Class S 560 4MATIC Coupe 17 26 $122,341 $130,150
S-Class S 560 4MATIC Sedan 17 27 $101,003 $107,450
S-Class S 560 Convertible 17 26 $130,284 $138,600
S-Class S 560 Sedan 17 27 $98,183 $104,450
S-Class S 560e Sedan N/A N/A $103,165 $109,750

Pricing

Invoice Price

$56,045
$172,490

Manufacturer Suggested Retail Price

$58,995
$183,500

Monthly Payment Estimate

$983 / month
$3058 / month

The Car Connection's Take

TCC Rating

6.4
7.8

TCC’s Bottom Line

In its final year, the 2020 Cadillac CT6 is a tempting look at what could have been from the luxury brand. The 2020 Mercedes-Benz S-Class is the benchmark for large luxury sedans.

TCC Likes

TCC Dislikes

Fuel Economy

City

18 mpg 15 mpg

Highway

27 mpg 24 mpg

Vehicle

Number of Passenger Doors

4 -

EPA Classification

Large Cars Subcompact Cars

Interior Dimensions

Second Hip Room (in)

53.5 53.1

Front Shoulder Room (in)

58.3 57

Passenger Volume (ft³)

110 -

Second Head Room (in)

38 37.6

Second Shoulder Room (in)

56.2 49.5

Front Leg Room (in)

46.4 -

Passenger Capacity

5 4

Front Hip Room (in)

55.9 60.6

Second Leg Room (in)

40.4 -

Front Head Room (in)

40.2 37.7

Exterior Dimensions

Track Width, Front (in)

63.4 64.7

Min Ground Clearance (in)

- TBD - 4.5

Length, Overall (in)

205.8 198.9

Height, Overall (in)

58 56

Track Width, Rear (in)

64 64.7

Wheelbase (in)

122.4 115.9

Liftover Height (in)

- TBD - -

Width, Max w/o mirrors (in)

74 75.3

Cargo Area Dimensions

Trunk Volume (ft³)

15.8 7

Brakes

Drum - Rear (Yes or )

NA NA

Brake ABS System

4-Wheel 4-Wheel

Disc - Rear (Yes or )

Yes Yes

Rear Brake Rotor Diam x Thickness (in)

12.4 x 0.9 14.2

Brake Type

Pwr 4-Wheel Disc

Rear Drum Diam x Width (in)

NA NA

Disc - Front (Yes or )

Yes Yes

Front Brake Rotor Diam x Thickness (in)

13.6 x 1.2 15.4

Fuel Tank

Fuel Tank Capacity, Approx (gal)

19.5 24.3

Steering

Steering Ratio (:1), Overall

- TBD - -

Turning Diameter - Curb to Curb (ft)

- TBD - -

Steering Type

Electric Rack & Pinion Rack-Pinion

Lock to Lock Turns (Steering)

- TBD - -

Turning Diameter - Wall to Wall (ft)

- TBD - -

Tires

Rear Tire Order Code

RJZ STDTR

Front Tire Size

P245/45R19 P255/40YR20

Spare Tire Size

T135/70R18 NA

Front Tire Order Code

RJZ STDTR

Spare Tire Order Code

ZCD NA

Rear Tire Size

P245/45R19 P285/35YR20

Trailering

Dead Weight Hitch - Max Tongue Wt. (lbs)

N/A -

Wt Distributing Hitch - Max Tongue Wt. (lbs)

N/A -

Dead Weight Hitch - Max Trailer Wt. (lbs)

N/A -

Wt Distributing Hitch - Max Trailer Wt. (lbs)

N/A -

Weight Information

Base Curb Weight (lbs)

5070 4817

Wheels

Front Wheel Size (in)

19 x - TBD - 20 X 8.5

Spare Wheel Size (in)

18 x - TBD - NA

Rear Wheel Material

Aluminum Aluminum

Rear Wheel Size (in)

19 x - TBD - 20 X 9.5

Front Wheel Material

Aluminum Aluminum

Spare Wheel Material

Steel NA

Cooling System

Total Cooling System Capacity (qts)

- TBD - -

Electrical

Cold Cranking Amps @ 0° F (Primary)

- TBD - 520

Maximum Alternator Capacity (amps)

- TBD - 150

Engine

SAE Net Torque @ RPM

284 @ 5300 664 @ 2750

Engine Order Code

LGX NA

Displacement

3.6L/- TBD - 4.0 L/243

SAE Net Horsepower @ RPM

335 @ 6800 603 @ 5500

Engine Type

Gas V6 Twin Turbo Premium Unleaded V-8

Fuel System

Direct Injection Gasoline Direct Injection

Mileage

EPA Fuel Economy Est - Hwy (MPG)

27 24

EPA Fuel Economy Est - City (MPG)

18 15

Fuel Economy Est-Combined (MPG)

21 18

Transmission

Clutch Size (in)

NA -

Ninth Gear Ratio (:1)

0.69 -

Third Gear Ratio (:1)

2.14 2.31

Trans Type

10 9

Drivetrain

All Wheel Drive All Wheel Drive

Fifth Gear Ratio (:1)

1.52 1.21

Trans Description Cont. Again

NA NA

Reverse Ratio (:1)

4.86 4.93

Eighth Gear Ratio (:1)

0.85 0.72

Second Gear Ratio (:1)

2.98 3.33

Trans Order Code

MHS 421

Final Drive Axle Ratio (:1)

- TBD - 2.47

Tenth Gear Ratio (:1)

0.63 -

Fourth Gear Ratio (:1)

1.77 1.66

Trans Description Cont.

Automatic Automatic w/OD

Sixth Gear Ratio (:1)

1.27 1.00

Seventh Gear Ratio (:1)

1.00 0.86

First Gear Ratio (:1)

4.69 5.50

Summary

Vehicle Name

Cadillac CT6 Mercedes-Benz S-Class

Body Style

Sedan 4MATIC+ Cabriolet

Suspension

Shock Absorber Diameter - Front (mm)

- TBD - -

Stabilizer Bar Diameter - Front (in)

- TBD - -

Suspension Type - Rear

Independent Multi-Link

Suspension Type - Rear (Cont.)

NA Multi-Link

Shock Absorber Diameter - Rear (mm)

- TBD - -

Suspension Type - Front

Multi-Link Multi-Link

Stabilizer Bar Diameter - Rear (in)

- TBD - -

Suspension Type - Front (Cont.)

NA Multi-Link

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year

8.4 10.0

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