Compare the2025 Cadillac CT5VS 2025 BMW 4 Series Gran Coupe

For enhanced safety, the front seat shoulder belts of the Cadillac CT5 are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The BMW 4 Series Gran Coupe doesn’t offer height-adjustable seat belts.

Both the CT5 and 4 Series Gran Coupe have rear cross-traffic warning, but the CT5 has Rear Cross Traffic Braking (automatically applies the brakes) to better prevent a collision when backing near traffic. The 4 Series Gran Coupe’s Cross Traffic Warning doesn’t automatically brake.

Both the CT5 and the 4 Series Gran Coupe have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available all wheel drive.

Cadillac’s powertrain warranty covers the CT5 2 years and 20,000 miles longer than BMW covers the 4 Series Gran Coupe. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the 4 Series Gran Coupe ends after only 4 years or 50,000 miles.

There are over 62 percent more Cadillac dealers than there are BMW dealers, which makes it much easier should you ever need service under the CT5’s warranty.

The CT5’s optional 3.0 turbo V6 produces 7 lbs.-ft. more torque (405 vs. 398) than the M440i Coupe’s standard 3.0 turbo 6-cylinder hybrid.

An engine control system that can shut down some of the engine’s cylinders helps improve the CT5’s fuel efficiency. The 4 Series Gran Coupe doesn’t offer a system that can shut down part of the engine.

The CT5 has 1.8 gallons more fuel capacity than the 4 Series Gran Coupe (17.4 vs. 15.6 gallons), for longer range between fill-ups.

The CT5 has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The 4 Series Gran Coupe doesn’t offer a cap-less fueling system.

A 10-speed automatic is standard on the Cadillac CT5, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the 4 Series Gran Coupe.

For better traction, the CT5’s optional tires are larger than the largest tires available on the 4 Series Gran Coupe (255/35R20 vs. 245/40R19).

The CT5 has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The 4 Series Gran Coupe doesn’t offer vehicle monitored tire inflation.

For a smoother ride and more stable handling, the CT5’s wheelbase is 3.6 inches longer than on the 4 Series Gran Coupe (116 inches vs. 112.4 inches).

The Cadillac CT5 may be more efficient, handle and accelerate better because it weighs about 250 to 450 pounds less than the BMW 4 Series Gran Coupe.

The front grille of the CT5 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The 4 Series Gran Coupe doesn’t offer active grille shutters.

Because it has more passenger and cargo room, the EPA rates the CT5 a Mid-size car, while the 4 Series Gran Coupe is rated a Compact.

The CT5 has 8 cubic feet more passenger volume than the 4 Series Gran Coupe (99 vs. 91).

The CT5 has .4 inches more front headroom, .9 inches more front legroom, 1.5 inches more front shoulder room, 3 inches more rear legroom and 1.4 inches more rear shoulder room than the 4 Series Gran Coupe.

The CT5’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. The 4 Series Gran Coupe doesn’t offer an easy entry system.

The CT5’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The 4 Series Gran Coupe does not have an oil pressure gauge.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the CT5 has standard extendable sun visors. The 4 Series Gran Coupe doesn’t offer extendable visors.

The CT5 has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the car heater warms up. A heated steering wheel costs extra on the 4 Series Gran Coupe.

The CT5 has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the 4 Series Gran Coupe.

Insurance will cost less for the CT5 owner. The Complete Car Cost Guide estimates that insurance for the CT5 will cost $1650 to $4515 less than the 4 Series Gran Coupe over a five-year period.

Consumer Reports® recommends the Cadillac CT5, based on reliability, safety and performance.