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2026 Cadillac Ct5
4dr Sdn Sport
vs
2026 Mercedes-Benz C-Class
C 300 Sedan

From $50,200 vs From $49,650

Cadillac Ct5
Cadillac Ct5
4dr Sdn Sport
From $50,200
View Full Specs →
VS
Mercedes-Benz C-Class
Mercedes-Benz C-Class
C 300 Sedan
From $49,650
★ Our Pick
View Full Specs →
At a Glance
Power
237hp @ 5000
255hp @ 5800
Torque
258lb-ft @ 1500-4000
295lb-ft @ 2000
Fuel
26 mpg est.
30 mpg est.
Engine
—
2.0 L/122ci

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 255hp @ 5800. On fuel, the Ct5 returns 26 mpg est. while the C-Class uses 30 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $50,200 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 Sport 2026 - From $50,200
Mercedes-Benz C-ClassC 300 Sedan 2026 - From $49,650
Performance
Power Output (hp)
237hp @ 5000
255hp @ 5800
Torque (lb-ft)
258lb-ft @ 1500-4000
295lb-ft @ 2000
Engine & Drivetrain
Engine Capacity
—
2.0 L/122ci
Cylinders
4
4
Fuel Type
Gasoline
—
Forced Induction Device
Turbocharged
Turbocharged
Transmission
Automatic
Automatic
Drive Wheels
Rear Wheel Drive
Rear Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
26 mpg est.
30 mpg est.
Fuel Economy - City (mpg)
22mpg
25mpg
Fuel Economy - Highway (mpg)
31mpg
35mpg
Fuel Tank Capacity (gal)
17.4gal
17.4gal
Dimensions
Length (in)
193.8in
187in
Width (in)
74.1in
74.4in
Height (in)
57.2in
56.6in
Wheelbase (in)
116in
112.8in
Curb Weight (lbs)
3685lbs
3825lbs
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

Which Wins?

Overall Winner
Mercedes-Benz C-Class
3 / 4 categories
Performance
C-Class
Fuel Economy
C-Class
Value
C-Class
Practicality
Tied
Cadillac Ct5
+Well-rounded specification
-Higher fuel consumption (26 mpg est.)
-Higher starting price
Mercedes-Benz C-Class
+Better fuel economy (30 mpg est.)
+Lower starting price ($49,650)
-Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the Ct5 or C-Class?
The Ct5 gets 26 mpg est. and the C-Class gets 30 mpg est. on the combined cycle. The C-Class 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 255hp @ 5800 and 295lb-ft @ 2000 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 $50,200 and the C-Class from $49,650. The C-Class is cheaper by $550 at this variant level. 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.

Cadillac Ct5 Variants

All Ct5 Specs →

Mercedes-Benz C-Class Variants

All C-Class Specs →

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