2025 Lexus RC vs 2026 Cadillac CT5

$45,620 · Coupe

$48,600 · Sedan

Comparison Overview

Choosing between a sleek coupe like the 2025 Lexus RC and a more practical sedan like the 2026 Cadillac CT5 often comes down to style versus subtle utility. The Lexus RC starts at a slightly lower MSRP of $45,620, offering 241 hp and 258 lb-ft of torque, but it's more compact at 185.0 inches long and provides only 10.4 cu ft of cargo space. Conversely, the Cadillac CT5, priced at $48,600, yields a minor performance difference with 237 hp but edges out the Lexus in efficiency, achieving 26 combined MPG compared to the RC's 25 combined MPG. While the Lexus requires premium fuel, the CT5 only recommends it. The Cadillac’s extra 1.4 inches of width and 2.3 inches of height contribute to its marginally better practicality, offering 11.9 cu ft of cargo space.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Cadillac CT5

The 2026 Cadillac CT5 wins for commuters due to its slightly better fuel economy, delivering 26 combined MPG versus the Lexus RC's 25.

👨‍👩‍👧‍👦 Best for Families

2026 Cadillac CT5

The CT5 is the clear choice for families, offering a larger sedan body with 11.9 cu ft of cargo capacity compared to the RC's coupe trunk space of 10.4 cu ft.

🏎️ Best for Enthusiasts

2025 Lexus RC

Enthusiasts will slightly favor the 2025 Lexus RC because it posts marginally higher peak power figures with 241 horsepower.

💰 Best Value

2025 Lexus RC

The 2025 Lexus RC presents slightly better upfront value with an MSRP that is $2,980 lower than the Cadillac CT5.

Choose the Lexus RC if...

You prefer the classic, compact profile of a coupe, as the Lexus RC is only 185.0 inches long.
Saving $2,980 upfront is a priority, given the Lexus RC's $45,620 MSRP versus the CT5's $48,600.
You want the highest horsepower rating, as the RC delivers 241 hp compared to the CT5's 237 hp.

Choose the Cadillac CT5 if...

You need more usable space, as the Cadillac CT5 sedan offers 11.9 cu ft of cargo capacity versus 10.4 cu ft in the RC.
You prefer slightly better efficiency, since the CT5 achieves 26 combined MPG while the RC manages 25 combined MPG.
You don't want to be forced to use premium fuel, as the CT5 only recommends it while the Lexus requires it.

Key Dimensions

Dimension	Lexus RC	Cadillac CT5
Length	185.0"	193.8"
Width	72.4"	74.1"
Height	54.9"	57.2"
Wheelbase	107.5"	116.0"

Features Comparison

Safety

Feature	Lexus	Cadillac
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
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	2
Rear Height Adjustable Headrests	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Door Child Safety Locks	—	✓
Brake Preparation System	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

Feature	Lexus	Cadillac
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	gas
Horsepower	241 hp @ 5200 rpm	237 hp @ 5000 rpm
Torque	258 lb-ft @ 1650 rpm	258 lb-ft @ 1500 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	Lexus	Cadillac
Transmission Type	8-speed shiftable automatic	10-speed shiftable automatic
Drivetrain Type	rear wheel drive	rear wheel drive

Fuel

Feature	Lexus	Cadillac
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	21/31 MPG	23/32 MPG
EPA Fuel Economy (Combined)	25 MPG	26 MPG
EPA Driving Range (City/Highway)	367.5/542.5 mi.	391.0/544.0 mi.
Fuel Tank Capacity	17.5 gal.	17.0 gal.

Comfort & Convenience

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

In Car Entertainment

Feature	Lexus	Cadillac
Infotainment Display	8.0 in	33.0 in
AM/FM Stereo	✓	✓
Speaker System	10	15
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	—
Speed Sensitive Volume Control	✓	—
Premium Speaker Brand	—	AKG
Subwoofer Count	—	1
Surround Audio	—	Discrete
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓

Power Feature

Feature	Lexus	Cadillac
One-Touch Power Windows	2	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Moonroof Type	—	1st Row Power Glass Extended

Frontseats

Feature	Lexus	Cadillac
Front Head Room	39.0 in.	39.0 in.
Front Leg Room	45.4 in.	42.4 in.
Front Shoulder Room	54.7 in.	56.7 in.
Front Hip Room	53.9 in.	53.7 in.
Seat Material: Leatherette	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	10-way	12-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Passenger Seat Power Adjustments	8-way	12-way
Passenger Seat Height Adjustment	✓	✓
Seat Material: Leather	—	✓
Driver Seat Memory Settings	—	2
Passenger Seat Lumbar Support	—	Power
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓
Seat Massage Function	—	✓

Rearseats

Feature	Lexus	Cadillac
Rear Head Room	34.8 in.	36.6 in.
Rear Leg Room	27.3 in.	37.9 in.
Rear Shoulder Room	50.8 in.	55.7 in.
Rear Hip Room	44.9 in.	53.7 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	—	✓
Pass-Thru Center Armrest	—	✓

Tires and Wheels

Feature	Lexus	Cadillac
Wheel Material	Alloy	—
Wheel Size	18 x 8.0 in	—
Tire Type	All Season	✓
Tire Size	235/45R18	245/45R18
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Finish	—	Painted Alloy
Wheel Diameter	—	18 in

Suspension

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

Warranty

Feature	Lexus	Cadillac
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	6 yr./ 70000 mi.
Corrosion/Rust Warranty	6 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ unlimited mi.	6 yr./ 70000 mi.
Complimentary Scheduled Maintenance	1 yr./ 10000 mi.	1 yr./ unlimited mi.

Frequently Asked Questions

Common questions about comparing the 2025 Lexus RC and 2026 Cadillac CT5.

Is the difference in horsepower between the Lexus RC and Cadillac CT5 significant for daily driving?

Not really; the 2025 Lexus RC has 241 hp while the 2026 Cadillac CT5 produces 237 hp, meaning the 4 hp difference is negligible in typical city driving scenarios. Both vehicles deliver 258 lb-ft of torque, ensuring responsive acceleration off the line.

Which car is more economical regarding fuel consumption and requirements?

The 2026 Cadillac CT5 is marginally better on fuel, achieving 26 combined MPG versus the Lexus RC's 25 combined MPG. Furthermore, the CT5 only recommends premium unleaded, whereas the Lexus RC requires it.

How much more passenger/storage room does the Cadillac CT5 offer?

As a sedan, the CT5 is physically larger, being 1.4 inches wider and 2.3 inches taller than the Lexus RC coupe. This translates directly to more cargo space: 11.9 cu ft in the CT5 compared to just 10.4 cu ft in the RC.

What is the price difference between these two premium options?

The 2025 Lexus RC has a lower starting MSRP at $45,620. The 2026 Cadillac CT5 is priced higher at $48,600, representing a difference of $2,980 between their base figures.

Do the transmissions offer any notable performance differences?

Yes, the 2026 Cadillac CT5 utilizes a 10-speed shiftable automatic transmission, giving it two more gears than the 8-speed automatic found in the 2025 Lexus RC. This extra gearing often aids in smoother highway cruising and efficiency.