Compare 2021 Cadillac CT4 vs 2021 Mercedes-Benz C Class

2021 Cadillac CT4
2021 Mercedes-Benz C Class
#3 in Coupes
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4-Door Sedan Luxury
Style MPG City MPG Hwy Invoice MSRP
CT4 4-Door Sedan Luxury 23 34 $31,725 $33,395
CT4 4-Door Sedan Premium Luxury 23 34 $35,715 $37,595
CT4 4-Door Sedan Sport 23 34 $36,760 $38,695
CT4 4-Door Sedan V-Series 20 29 $42,650 $44,895
Select style
AMG C 43 4MATIC Convertible
Style MPG City MPG Hwy Invoice MSRP
C-Class AMG C 43 4MATIC Convertible 18 25 $61,570 $65,500
C-Class AMG C 43 4MATIC Coupe 19 27 $55,460 $59,000
C-Class AMG C 43 4MATIC Sedan 19 27 $53,110 $56,500
C-Class AMG C 63 Convertible 17 24 $73,320 $78,000
C-Class AMG C 63 Coupe 17 26 $66,411 $70,650
C-Class AMG C 63 S Convertible 17 24 $80,464 $85,600
C-Class AMG C 63 S Coupe 17 26 $73,555 $78,250
C-Class AMG C 63 S Sedan 18 27 $71,628 $76,200
C-Class AMG C 63 Sedan 18 27 $64,484 $68,600
C-Class C 300 4MATIC Convertible 22 30 $53,298 $56,700
C-Class C 300 4MATIC Coupe 23 32 $46,248 $49,200
C-Class C 300 4MATIC Sedan 23 33 $40,984 $43,600
C-Class C 300 Convertible 23 31 $51,418 $54,700
C-Class C 300 Coupe 24 33 $44,368 $47,200
C-Class C 300 Sedan 23 35 $39,104 $41,600
Pricing
Invoice Price
$31,725
$61,570
Manufacturer Suggested Retail Price
$33,395
$65,500
Monthly Payment Estimate
$557 / month
$1092 / month
The Car Connection's Take
TCC Rating
6.2
7.3
TCC’s Bottom Line
The 2021 Cadillac CT4 is well-equipped and fun to drive, making it a good small sedan choice. Svelte, sporty, and somewhat understated, the 2021 Mercedes-Benz C-Class should be at the top of your compact luxury sedan shopping list.
TCC Likes
TCC Dislikes
Fuel Economy
City
23 mpg 18 mpg
Highway
34 mpg 25 mpg
Vehicle
EPA Classification
Compact Cars Subcompact Cars
Number of Passenger Doors
4 -
Interior Dimensions
Second Shoulder Room (in)
53.9 47.8
Front Leg Room (in)
42.4 42
Passenger Capacity
5 4
Front Hip Room (in)
53 -
Second Leg Room (in)
33.4 32
Front Head Room (in)
38.3 38.8
Second Hip Room (in)
52.5 -
Front Shoulder Room (in)
55.2 54.8
Passenger Volume (ft³)
- TBD - -
Second Head Room (in)
36.5 35.6
Exterior Dimensions
Track Width, Rear (in)
61.7 61.3
Wheelbase (in)
109.3 111.8
Liftover Height (in)
NA -
Width, Max w/o mirrors (in)
71.4 71.3
Track Width, Front (in)
60.3 63.1
Min Ground Clearance (in)
NA 3.6
Length, Overall (in)
187.2 184.8
Height, Overall (in)
56 55.3
Cargo Area Dimensions
Trunk Volume (ft³)
10.7 8.8
Brakes
Rear Brake Rotor Diam x Thickness (in)
12.4 x 0.9 12.6
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)
11.8 x 1.0 14.2
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Fuel Tank
Fuel Tank Capacity, Approx (gal)
17 17.4
Steering
Steering Type
Electric Rack & Pinion Rack-Pinion
Lock to Lock Turns (Steering)
NA -
Turning Diameter - Wall to Wall (ft)
NA -
Steering Ratio (:1), Overall
NA -
Turning Diameter - Curb to Curb (ft)
NA 38.4
Tires
Front Tire Order Code
Q5O R02
Spare Tire Order Code
NA NA
Rear Tire Size
P225/45R17 P245/40HR18
Rear Tire Order Code
Q5O R02
Front Tire Size
P225/45R17 P225/45HR18
Spare Tire Size
NA NA
Trailering
Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA -
Dead Weight Hitch - Max Trailer Wt. (lbs)
NA -
Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA -
Dead Weight Hitch - Max Tongue Wt. (lbs)
NA -
Weight Information
Base Curb Weight (lbs)
3422 4231
Wheels
Rear Wheel Size (in)
17 x 8 18 X 8.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
17 x 8 18 X 7.5
Spare Wheel Size (in)
NA NA
Rear Wheel Material
Aluminum Aluminum
Cooling System
Total Cooling System Capacity (qts)
NA -
Electrical
Maximum Alternator Capacity (amps)
NA 180
Cold Cranking Amps @ 0° F (Primary)
NA -
Engine
Engine Type
Turbocharged I4 Twin Turbo Premium Unleaded V-6
Fuel System
Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
258 @ 1500-4000 384 @ 2500
Engine Order Code
LSY NA
Displacement
2.0L/- TBD - 3.0 L/183
SAE Net Horsepower @ RPM
237 @ 5000 385 @ 6100
Mileage
EPA Fuel Economy Est - City (MPG)
23 (2020) 18 (Est)
Fuel Economy Est-Combined (MPG)
27 (2020) 21 (Est)
EPA Fuel Economy Est - Hwy (MPG)
34 (2020) 25 (Est)
Transmission
Reverse Ratio (:1)
3.93 4.80
Second Gear Ratio (:1)
3.04 3.24
Eighth Gear Ratio (:1)
0.66 0.72
Trans Order Code
M5N 421
Final Drive Axle Ratio (:1)
2.85 3.07
Fourth Gear Ratio (:1)
1.66 1.64
Trans Description Cont.
Automatic Automatic w/OD
Sixth Gear Ratio (:1)
1.00 1.00
First Gear Ratio (:1)
4.61 5.35
Seventh Gear Ratio (:1)
0.85 0.86
Clutch Size (in)
- TBD - -
Third Gear Ratio (:1)
2.06 2.25
Trans Type
8 9
Drivetrain
Rear Wheel Drive All Wheel
Fifth Gear Ratio (:1)
1.26 1.21
Trans Description Cont. Again
NA NA
Summary
Body Style
Sedan 4MATIC Cabriolet
Vehicle Name
Cadillac CT4 Mercedes-Benz C-Class
Suspension
Suspension Type - Rear (Cont.)
w/Coil Springs Multi-Link
Shock Absorber Diameter - Rear (mm)
NA -
Suspension Type - Front
MacPherson Strut Strut
Stabilizer Bar Diameter - Rear (in)
NA -
Suspension Type - Front (Cont.)
NA Strut
Shock Absorber Diameter - Front (mm)
NA -
Stabilizer Bar Diameter - Front (in)
NA -
Suspension Type - Rear
Five-Link Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.6 (2020) 8.5 (Est)
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