2025 Cadillac CT5 vs 2025 Mercedes-Benz C-Class

$47,595 · Sedan

$48,450 · Sedan

Comparison Overview

Deciding between the 2025 Cadillac CT5 and the 2025 Mercedes-Benz C-Class boils down to prioritizing outright efficiency versus traditional luxury presence. If saving a bit at the pump matters, the Mercedes C-Class wins easily, boasting a 29 MPG combined rating compared to the CT5's 26 MPG combined. However, the Cadillac sedan offers a slightly larger footprint (193.8 inches long vs. the C-Class's 187.0 inches) and a minuscule edge in cargo space at 11.9 cubic feet. Performance seekers might note the C-Class offers better power figures with 255 horsepower and 295 lb-ft of torque, narrowly beating the CT5's 237 hp and 258 lb-ft. Priced closely, with the Cadillac starting at $47,595 and the Mercedes at $48,450, buyers must weigh better fuel economy and performance against the CT5's extra length and slightly lower entry price.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz C-Class

The 2025 Mercedes-Benz C-Class is superior for daily commuting due to its higher fuel economy of 35 highway MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Cadillac CT5

The Cadillac CT5 offers a slightly longer body and marginally more storage space, totaling 11.9 cubic feet.

🏎️ Best for Enthusiasts

2025 Mercedes-Benz C-Class

The C-Class has the advantage in performance specifications, delivering 255 horsepower and 295 lb-ft of torque.

💰 Best Value

2025 Cadillac CT5

The Cadillac CT5 undercuts the Mercedes C-Class on MSRP by $855 while still providing strong RWD performance.

Choose the Cadillac CT5 if...

You prefer a slightly lower starting MSRP of $47,595.
You need the marginally larger trunk space, rated at 11.9 cubic feet.
You prefer the feel of a 10-speed automatic transmission over a 9-speed unit.

Choose the Mercedes-Benz C-Class if...

Maximizing fuel efficiency is a priority, as it achieves 35 highway MPG.
You desire higher base output, thanks to 255 horsepower and 295 lb-ft of torque.
You want the slightly more compact dimensions, measuring 187.0 inches in length.

Key Dimensions

Dimension	Cadillac CT5	Mercedes-Benz C-Class
Length	193.8"	187.0"
Width	74.1"	74.4"
Height	57.2"	56.6"
Wheelbase	116.0"	112.8"

Features Comparison

Safety

Feature	Cadillac	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
Rear Cross Traffic Alert	✓	—
Driver Attention Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	—
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	—
Rear Headrests	2	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Brake Drying	—	✓
Front Power Adjustable Headrests	—	✓

Engine

Feature	Cadillac	Mercedes-Benz
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	237 hp @ 5000 rpm	255 hp @ 5800 rpm
Torque	258 lb-ft @ 1500 rpm	295 lb-ft @ 2000 rpm
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Cylinder Deactivation	✓	—

Drive Train

Feature	Cadillac	Mercedes-Benz
Transmission Type	10-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	rear wheel drive	rear wheel drive

Fuel

Feature	Cadillac	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	23/32 MPG	25/35 MPG
EPA Fuel Economy (Combined)	26 MPG	29 MPG
EPA Driving Range (City/Highway)	391.0/544.0 mi.	435.0/609.0 mi.
Fuel Tank Capacity	17.0 gal.	17.4 gal.

Comfort & Convenience

Feature	Cadillac	Mercedes-Benz
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Front View Camera	✓	—
Side View Camera	✓	—
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Automatic Parking Assist	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	—
Dual Zone Climate Control	✓	✓
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	✓
Sun Sensor	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cruise Control	—	✓

In Car Entertainment

Feature	Cadillac	Mercedes-Benz
Infotainment Display	33.0 in	11.9 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	AKG	—
Speaker System	15	5
Subwoofer Count	1	1
Surround Audio	Discrete	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	—	6 months

Power Feature

Feature	Cadillac	Mercedes-Benz
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Cadillac	Mercedes-Benz
Front Head Room	39.0 in.	40.0 in.
Front Leg Room	42.4 in.	41.7 in.
Front Shoulder Room	56.7 in.	56.3 in.
Front Hip Room	53.7 in.	—
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	12-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	12-way	10-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Driver Seat Ventilation	✓	—
Passenger Seat Ventilation	✓	—
Seat Massage Function	✓	—
Seat Material: Leatherette	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3
Driver Seat Heating	—	Multi-level
Passenger Seat Heating	—	Multi-level

Rearseats

Feature	Cadillac	Mercedes-Benz
Rear Head Room	36.6 in.	37.5 in.
Rear Leg Room	37.9 in.	36.0 in.
Rear Shoulder Room	55.7 in.	55.6 in.
Rear Hip Room	53.7 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Folding Center Armrest	—	✓

Tires and Wheels

Feature	Cadillac	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Diameter	18 in	—
Tire Size	245/45R18	245/40R18
Tire Type	✓	—
Wheel Material	—	Alloy
Wheel Size	—	18 x 8.5 in
Run Flat Tires	—	✓

Suspension

Feature	Cadillac	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Cadillac	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Roadside Assistance	6 yr./ 70000 mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	1 yr./ unlimited mi.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Cadillac CT5 and 2025 Mercedes-Benz C-Class.

Which car is officially more fuel-efficient for city driving?

The 2025 Mercedes-Benz C-Class leads in city efficiency, achieving 25 MPG in city tests. This is 2 MPG better than the 2025 Cadillac CT5, which is rated at 23 MPG city.

Is the price difference significant between the two sedans?

The difference is minimal, but the Cadillac CT5 has a slightly better entry price at $47,595, while the Mercedes C-Class starts at $48,450.

Do both cars require premium fuel?

Yes, both vehicles recommend or require premium unleaded fuel. The Cadillac CT5 recommends it, whereas the Mercedes C-Class explicitly requires premium unleaded for its performance figures.

How do their overall dimensions compare?

The Cadillac CT5 is the longer vehicle at 193.8 inches compared to the C-Class's 187.0 inches. However, the C-Class is marginally wider at 74.4 inches versus the CT5's 74.1 inches.

Which car offers superior raw acceleration potential based on specs?

Based purely on torque figures, the Mercedes C-Class provides better low-end grunt with 295 lb-ft versus the CT5's 258 lb-ft.

What transmission is found in each RWD sedan?

The 2025 Cadillac CT5 uses a 10-speed shiftable automatic transmission. In contrast, the 2025 Mercedes-Benz C-Class is equipped with a 9-speed shiftable automatic transmission.