VS
At a Glance
Power
237hp @ 5000
671hp @ 6750
Torque
258lb-ft @ 1500-4000
752lb-ft
Fuel
26 mpg est.
20 mpg est.
Engine
—
2.0 L/121ci
Choosing between the Cadillac Ct5 and the Mercedes-Benz C-Class is one of the most common decisions car buyers in the United States face. The Cadillac Ct5 delivers 237hp @ 5000 while the Mercedes-Benz C-Class produces 671hp @ 6750. On fuel, the Ct5 returns 26 mpg est. while the C-Class uses 20 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $49,200 for the Ct5 and $49,650 for the C-Class. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Specification
Cadillac Ct54dr Sdn Premium Luxury 2026 - From $49,200
Mercedes-Benz C-ClassAMG C 63 S E Performance Sedan 2026 - From $49,650
Performance
Power Output (hp)
237hp @ 5000
671hp @ 6750
Torque (lb-ft)
258lb-ft @ 1500-4000
752lb-ft
Engine & Drivetrain
Engine Capacity
—
2.0 L/121ci
Engine Layout
V
—
Cylinders
6
4
Fuel Type
Gasoline
Plug-In Hybrid
Forced Induction Device
Turbocharged
—
Transmission
Automatic
Automatic
Drive Wheels
Rear Wheel Drive
All Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
26 mpg est.
20 mpg est.
Fuel Economy - City (mpg)
22mpg
19 (2025)mpg
Fuel Economy - Highway (mpg)
31mpg
22 (2025)mpg
Fuel Tank Capacity (gal)
17.4gal
17.4gal
Dimensions
Length (in)
193.8in
190.6in
Width (in)
74.1in
77.4in
Height (in)
57.2in
57.4in
Wheelbase (in)
116in
113.1in
Curb Weight (lbs)
3663lbs
4817lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
—
✓ Standard
Traction Control
—
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
✓ Standard
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Tie
1 / 4 categories
Performance
C-Class
Fuel Economy
Ct5
Value
Tied
Practicality
Tied
Pros & Cons
Cadillac Ct5
Better fuel economy (26 mpg est.)
Lower starting price ($49,200)
Few notable weaknesses
Mercedes-Benz C-Class
Well-rounded specification
Higher fuel consumption (20 mpg est.)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the Ct5 or C-Class?
The Ct5 gets 26 mpg est. and the C-Class gets 20 mpg est. on the combined cycle. The Ct5 is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the Ct5 or C-Class?
The Ct5 produces 237hp @ 5000 and 258lb-ft @ 1500-4000 of torque while the C-Class delivers 671hp @ 6750 and 752lb-ft of torque. The C-Class is the more powerful option.
What is the price difference between the Ct5 and C-Class?
The Ct5 starts from $49,200 and the C-Class from $49,650, a difference of just $450, which is negligible. At this price point the two are essentially tied on starting price. Final on-the-road pricing varies by dealer and specification.
Should I buy the Ct5 or the C-Class?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.
Also Consider