2025 Cadillac CT4 vs 2025 Lexus RC
Comparison Overview
Deciding between the 2025 Cadillac CT4 and the 2025 Lexus RC often boils down to whether you prioritize premium practicality over dedicated coupe styling, especially given the significant financial gap. The CT4 starts with a compelling MSRP of $34,995, undercutting the Lexus RC's $45,620 by a substantial $10,625. While both RWD cars share nearly identical power figures—237 hp in the Cadillac versus 241 hp in the Lexus—the CT4 pulls ahead in fuel efficiency, delivering 26 MPG combined compared to the RC's 25 MPG. Additionally, the slightly longer CT4, measuring 187.2 inches, offers marginally more usable space with 10.7 cubic feet of cargo capacity versus the Lexus Coupe's 10.4 cu ft. For buyers needing a blend of luxury entry and day-to-day sensibility, the Cadillac presents a much more rational proposition.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Cadillac CT4
The Cadillac CT4 wins for commuters due to its better combined fuel economy of 26 MPG.
2025 Cadillac CT4
The CT4 is the clear choice here because it is a four-door sedan offering better overall practicality than the two-door Lexus RC.
2025 Lexus RC
The Lexus RC, despite being pricier, offers a dedicated coupe structure appealing to purists looking for a sportier silhouette.
2025 Cadillac CT4
The CT4 offers nearly the same performance fundamentals for a price tag that is over $10,600 less than the Lexus RC.
Choose the Cadillac CT4 if...
- You need the four-door sedan practicality required for transporting more than one passenger regularly.
- Saving money upfront is a priority, as the $34,995 MSRP is significantly lower than the $45,620 Lexus.
- You prefer slightly better highway cruising efficiency, achieving 32 MPG highway versus the RC's 31 MPG.
Choose the Lexus RC if...
- You value the exclusive look and feel of a dedicated two-door coupe body style.
- You don't mind paying a premium for the Lexus badge and its corresponding refinement.
- You want the marginally higher output of 241 horsepower, even if it's only a 4 hp difference over the CT4.
Key Dimensions
| Dimension | Cadillac CT4 | Lexus RC |
|---|---|---|
| Length | 187.2" | 185.0" |
| Width | 71.4" | 72.4" |
| Height | 56.0" | 54.9" |
| Wheelbase | 109.0" | 107.5" |
Features Comparison
Safety
| Feature | Cadillac | Lexus |
|---|---|---|
| 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 | ✓ | ✓ |
| 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 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 | ✓ | ✓ |
| Rear Center 3-Point Seatbelt | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
Engine
| Feature | Cadillac | Lexus |
|---|---|---|
| Base Engine Displacement | 2.0 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | gas |
| Horsepower | 237 hp @ 5000 rpm | 241 hp @ 5200 rpm |
| Torque | 258 lb-ft @ 1500 rpm | 258 lb-ft @ 1650 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 | Lexus |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain Type | rear wheel drive | rear wheel drive |
Fuel
| Feature | Cadillac | Lexus |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 22/32 MPG | 21/31 MPG |
| EPA Fuel Economy (Combined) | 26 MPG | 25 MPG |
| EPA Driving Range (City/Highway) | 374.0/544.0 mi. | 367.5/542.5 mi. |
| Fuel Tank Capacity | 17.0 gal. | 17.5 gal. |
Comfort & Convenience
| Feature | Cadillac | Lexus |
|---|---|---|
| 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 | ✓ | ✓ |
| Rear Parking Sensors | ✓ | — |
| Wireless Charging Pad | ✓ | — |
| Cruise Control | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | — |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | — |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | ✓ |
| Interior Air Filtration | ✓ | ✓ |
| Sun Sensor | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Adaptive Cruise Control | — | ✓ |
In Car Entertainment
| Feature | Cadillac | Lexus |
|---|---|---|
| Infotainment Display | 8.0 in | 8.0 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 8 | 10 |
| Android Auto (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Memory Card Slot | ✓ | — |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 3 months |
| Speed Sensitive Volume Control | ✓ | ✓ |
| Android Auto (Wired) | — | ✓ |
| Apple CarPlay (Wired) | — | ✓ |
Power Feature
| Feature | Cadillac | Lexus |
|---|---|---|
| One-Touch Power Windows | 4 | 2 |
| Keyless Entry | ✓ | ✓ |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Cadillac | Lexus |
|---|---|---|
| Front Head Room | 38.3 in. | 39.0 in. |
| Front Leg Room | 42.4 in. | 45.4 in. |
| Front Shoulder Room | 55.2 in. | 54.7 in. |
| Front Hip Room | 53.0 in. | 53.9 in. |
| Seat Material: Leatherette | ✓ | ✓ |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 10-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Passenger Seat Power Adjustments | 6-way | 8-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
Rearseats
| Feature | Cadillac | Lexus |
|---|---|---|
| Rear Head Room | 36.5 in. | 34.8 in. |
| Rear Leg Room | 33.4 in. | 27.3 in. |
| Rear Shoulder Room | 53.9 in. | 50.8 in. |
| Rear Hip Room | 52.5 in. | 44.9 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Rear Seat Feature | ✓ | — |
| Pass-Thru Center Armrest | ✓ | — |
Tires and Wheels
| Feature | Cadillac | Lexus |
|---|---|---|
| Wheel Finish | Painted Alloy | — |
| Wheel Diameter | 17 in | — |
| Tire Size | P225/45R17 | 235/45R18 |
| Tire Type | ✓ | All Season |
| Wheel Material | — | Alloy |
| Wheel Size | — | 18 x 8.0 in |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Inside Mounted |
Suspension
| Feature | Cadillac | Lexus |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Cadillac | Lexus |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 6 yr./ 70000 mi. |
| Corrosion/Rust Warranty | 4 yr./ 50000 mi. | 6 yr./ unlimited mi. |
| Roadside Assistance | 6 yr./ 70000 mi. | 4 yr./ unlimited mi. |
| Complimentary Scheduled Maintenance | 1 yr./ unlimited mi. | 1 yr./ 10000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Cadillac CT4 and 2025 Lexus RC.
How much more expensive is the 2025 Lexus RC than the Cadillac CT4?
The Lexus RC carries a substantial price premium, starting at $45,620 compared to the Cadillac CT4's base MSRP of $34,995, resulting in a difference of $10,625.
Do either of these cars require premium fuel?
Yes, both vehicles require premium unleaded fuel for optimal performance. The Cadillac recommends it, while the Lexus mandates it for its operation.
Is the Cadillac CT4 noticeably bigger than the Lexus RC?
The CT4 is slightly longer at 187.2 inches versus the RC's 185.0 inches, but the Lexus RC is slightly wider at 72.4 inches compared to the Cadillac's 71.4 inches.
Which car is better for daily driving efficiency?
The 2025 Cadillac CT4 edges out the Lexus RC in efficiency, posting a combined 26 MPG versus the RC's 25 MPG, making it slightly better for routine errands.
How does the trunk space compare between the sedan and the coupe?
Cargo space is very tight in both, but the four-door CT4 sedan offers a slightly larger trunk at 10.7 cubic feet compared to the Lexus RC coupe's 10.4 cubic feet.
Are the horsepower ratings similar for these two rear-wheel-drive vehicles?
They are very close; the Lexus RC has 241 horsepower, while the Cadillac CT4 delivers 237 horsepower, meaning performance feel from the base engines should be comparable.
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