2025 BMW 4 Series Gran Coupe vs 2026 Cadillac CT5

$49,650 · Sedan

$48,600 · Sedan

Comparison Overview

Deciding between the European style of the 2025 BMW 4 Series Gran Coupe and the American swagger of the 2026 Cadillac CT5 comes down to prioritizing efficiency versus outright space. Many buyers struggle when comparing a slightly pricier but more efficient European offering against a competitively priced domestic counterpart. The BMW commands a $1,050 higher MSRP at $49,650, but it repays that cost subtly through better running economy, achieving 30 MPG combined compared to the CT5's 26 MPG combined. Furthermore, the BMW offers significantly more utility, boasting 16.6 cu ft of cargo capacity versus the Cadillac's 11.9 cu ft. While the BMW has a slight edge in power with 255 hp against the Cadillac's 237 hp, both offer engaging rear-wheel-drive dynamics, making the final choice hinge on whether you value the 4 MPG efficiency boost and superior storage or the slightly larger footprint of the CT5.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW 4 Series Gran Coupe

The 2025 BMW 4 Series Gran Coupe wins for daily drivers due to its superior combined fuel economy rating of 30 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 BMW 4 Series Gran Coupe

Car1 provides substantially more practicality for families with 16.6 cu ft of cargo space compared to Car2's 11.9 cu ft.

🏎️ Best for Enthusiasts

2025 BMW 4 Series Gran Coupe

The 2025 BMW 4 Series Gran Coupe offers slightly better output with 255 hp and 295 lb-ft of torque.

💰 Best Value

2026 Cadillac CT5

The 2026 Cadillac CT5 undercuts the BMW on initial outlay, starting at $48,600, despite requiring premium fuel.

Choose the BMW 4 Series Gran Coupe if...

You prioritize minimizing fuel stops and maximizing efficiency, as it delivers 30 MPG combined.
You need more usable storage space, thanks to its 16.6 cu ft cargo capacity.
You prefer the slightly higher output of 255 hp and 295 lb-ft of torque.

Choose the Cadillac CT5 if...

Saving $1,050 upfront is important, with an MSRP of $48,600.
You appreciate a longer vehicle design, as the CT5 measures 193.8 inches in length.
You are comfortable with premium fuel being recommended rather than strictly required for operation.

Key Dimensions

Dimension	BMW 4 Series Gran Coupe	Cadillac CT5
Length	188.5"	193.8"
Width	72.9"	74.1"
Height	56.8"	57.2"
Wheelbase	112.4"	116.0"

Features Comparison

Safety

Feature	BMW	Cadillac
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Driver Attention 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	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Brake Drying	✓	—
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Self-Leveling Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Multi-Adjustable Headrests	✓	—
Rear Headrests	3	2
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Keeping Assist System	—	✓
Rear Cross Traffic Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	BMW	Cadillac
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	mild hybrid	gas
Horsepower	255 hp @ 4700 rpm	237 hp @ 5000 rpm
Torque	295 lb-ft @ 1600 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	BMW	Cadillac
Transmission Type	8-speed shiftable automatic	10-speed shiftable automatic
Drivetrain Type	rear wheel drive	rear wheel drive

Fuel

Feature	BMW	Cadillac
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	27/35 MPG	23/32 MPG
EPA Fuel Economy (Combined)	30 MPG	26 MPG
EPA Driving Range (City/Highway)	421.2/546.0 mi.	391.0/544.0 mi.
Fuel Tank Capacity	15.6 gal.	17.0 gal.

Comfort & Convenience

Feature	BMW	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	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Wireless Charging Pad	✓	✓
Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
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	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Front View Camera	—	✓
Side View Camera	—	✓
Automatic Parking Assist	—	✓
Adaptive Cruise Control	—	✓
Heated Steering Wheel	—	✓
Sun Sensor	—	✓

In Car Entertainment

Feature	BMW	Cadillac
Infotainment Display	14.9 in	33.0 in
AM/FM Stereo	✓	✓
Stereo Power	205W	—
Speaker System	10	15
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	—
Premium Speaker Brand	—	AKG
Subwoofer Count	—	1
Surround Audio	—	Discrete
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓

Power Feature

Feature	BMW	Cadillac
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass Extended
Keyless Entry	✓	✓
Reverse Tilt Dual Mirrors	✓	—
Heated Mirrors	✓	✓

Frontseats

Feature	BMW	Cadillac
Front Head Room	38.6 in.	39.0 in.
Front Leg Room	41.5 in.	42.4 in.
Front Shoulder Room	55.2 in.	56.7 in.
Seat Material: Leatherette	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Manual Adjustments	2-way	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	2	2
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Thigh Extension	✓	—
Driver Seat Heating	Multi-level	—
Passenger Seat Heating	Multi-level	—
Front Hip Room	—	53.7 in.
Seat Material: Leather	—	✓
Front Seat Type: Bucket	—	✓
Driver Seat Power Adjustments	—	12-way
Driver Seat Lumbar Support	—	Power
Passenger Seat Power Adjustments	—	12-way
Passenger Seat Lumbar Support	—	Power
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓
Seat Massage Function	—	✓

Rearseats

Feature	BMW	Cadillac
Rear Head Room	36.6 in.	36.6 in.
Rear Leg Room	34.9 in.	37.9 in.
Rear Shoulder Room	54.3 in.	55.7 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓
Rear Hip Room	—	53.7 in.

Tires and Wheels

Feature	BMW	Cadillac
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	18 x 8.5 in	—
Tire Size	245/45R H	245/45R18
Run Flat Tires	✓	—
Wheel Diameter	—	18 in
Tire Type	—	✓

Suspension

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

Warranty

Feature	BMW	Cadillac
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	6 yr./ 70000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ unlimited mi.	6 yr./ 70000 mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	1 yr./ unlimited mi.

Frequently Asked Questions

Common questions about comparing the 2025 BMW 4 Series Gran Coupe and 2026 Cadillac CT5.

Which car is significantly more fuel-efficient for long highway commutes?

The 2025 BMW 4 Series Gran Coupe is the clear efficiency leader here, achieving 35 MPG on the highway compared to the 2026 Cadillac CT5's 32 MPG highway rating. This 3 MPG difference (or 4 MPG combined) will result in fewer trips to the pump over the year.

How much larger is the cargo area on the two sedans?

The BMW 4 Series Gran Coupe offers substantially more utility with 16.6 cubic feet of cargo space. The Cadillac CT5 trails significantly, offering only 11.9 cubic feet, which is nearly 5 cubic feet less space for luggage or groceries.

Do both vehicles require the same type of fuel?

Yes, both luxury vehicles mandate premium gasoline for optimal performance, as the BMW requires it and the Cadillac recommends it, which is essential for buyers tracking running costs.

Is there a major difference in available power output between the two base models?

Yes, the BMW edges out the Cadillac in standard power; the 4 Series Gran Coupe produces 255 horsepower, while the CT5 generates 237 horsepower. Additionally, the BMW’s torque rating is higher at 295 lb-ft versus 258 lb-ft.

Which car offers a more dynamic driving experience based on the transmission?

While both are automatic and RWD, the Cadillac CT5 features a 10-speed transmission, which potentially allows for closer gear ratios than the BMW's 8-speed unit, possibly enhancing feel, though the BMW has better power figures.

Which vehicle is physically larger?

The 2026 Cadillac CT5 is the larger vehicle overall, measuring 193.8 inches in length and 74.1 inches in width, compared to the BMW's length of 188.5 inches and width of 72.9 inches.