Compare the2023 Cadillac CT4-VVS 2023 BMW 3 Series Sedan

Both the CT4-V and 3 Series Sedan have child safety locks to prevent children from opening the rear doors. The CT4-V has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The 3 Series Sedan’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the CT4-V are reminded to check the back seat if they opened the rear door before starting out. The 3 Series Sedan doesn’t offer a back seat reminder.

The CT4-V’s standard lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. A lane departure warning system costs extra on the 3 Series Sedan.

The CT4-V has a standard blind spot warning system which uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. A system to reveal vehicles in the 3 Series Sedan’s blind spot costs extra.

To help make backing out of a parking space safer, the CT4-V has a standard rear cross-path warning system, which uses sensors in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. Rear cross-path warning costs extra on the 3 Series Sedan.

Both the CT4-V and the 3 Series Sedan 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, rearview cameras, available all wheel drive and around view monitors.

Cadillac’s powertrain warranty covers the CT4-V 2 years and 20,000 miles longer than BMW covers the 3 Series Sedan. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the 3 Series Sedan ends after only 4 years or 50,000 miles.

There are over 60 percent more Cadillac dealers than there are BMW dealers, which makes it much easier should you ever need service under the CT4-V’s warranty.

J.D. Power and Associates’ 2022 Initial Quality Study of new car owners surveyed provide the statistics that show that Cadillac vehicles are better in initial quality than BMW vehicles. J.D. Power ranks Cadillac above average in initial quality. With 2 more problems per 100 vehicles, BMW is rated lower.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Cadillac vehicles are more reliable than BMW vehicles. J.D. Power ranks Cadillac above average in long-term dependability. With 24 more problems per 100 vehicles in the first three years of ownership, BMW is rated lower.

The CT4-V’s standard 2.7 turbo 4-cylinder produces 70 more horsepower (325 vs. 255) and 86 lbs.-ft. more torque (380 vs. 294) than the 330i’s standard 2.0 turbo 4-cylinder. The CT4-V’s 2.7 turbo 4-cylinder produces 12 lbs.-ft. more torque (380 vs. 368) than the M340i’s standard 3.0 turbo 6-cylinder hybrid. The CT4-V Blackwing’s standard 3.6 turbo V6 produces 90 more horsepower (472 vs. 382) and 77 lbs.-ft. more torque (445 vs. 368) than the M340i’s standard 3.0 turbo 6-cylinder hybrid.

As tested in Car and Driver the Cadillac CT4-V turbo 4 cyl. is faster than the 330i 2.0 turbo 4-cylinder (automatics tested):

An engine control system that can shut down some of the engine’s cylinders helps improve the CT4-V’s fuel efficiency. The 3 Series Sedan doesn’t offer a system that can shut down part of the engine.

The CT4-V has 1.4 gallons more fuel capacity than the 3 Series Sedan (17 vs. 15.6 gallons), for longer range between fill-ups.

The CT4-V 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 3 Series Sedan doesn’t offer a cap-less fueling system.

The CT4-V offers a manual transmission for better acceleration, control and sportiness. The 3 Series Sedan doesn’t offer a manual transmission.

A 10-speed automatic is standard on the Cadillac CT4-V, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the 3 Series Sedan.

For better stopping power the CT4-V Blackwing’s front brake rotors are larger than those on the 3 Series Sedan:

The CT4-V stops much shorter than the 3 Series Sedan:

For better traction, the CT4-V has larger standard tires than the 3 Series Sedan (235/40R18 vs. 225/45R18). The CT4-V Blackwing’s tires are larger than the largest tires available on the 3 Series Sedan (F:255/35R18 & R:275/35R18 vs. F:225/40R19 & R:255/35R19).

The CT4-V’s standard tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the 330i’s standard 45 series tires. The CT4-V’s optional tires have a lower 35 series profile than the 3 Series Sedan’s optional 40 series front tires.

The CT4-V 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 3 Series Sedan doesn’t offer vehicle monitored tire inflation.

The CT4-V Blackwing handles at 1.01 G’s, while the 330i xDrive pulls only .89 G’s of cornering force in a Car and Driver skidpad test.

The CT4-V executes Motor Trend’s “Figure Eight” maneuver 1.2 seconds quicker than the 330i xDrive (25.4 seconds @ .73 average G’s vs. 26.6 seconds @ .66 average G’s).

For better maneuverability, the CT4-V’s turning circle is 2.3 feet tighter than the 3 Series Sedan’s (37.1 feet vs. 39.4 feet). The CT4-V Blackwing’s turning circle is .6 feet tighter than the 3 Series Sedan’s (38.8 feet vs. 39.4 feet).

The CT4-V has a 1000 lbs. towing capacity. The 3 Series Sedan has no towing capacity.

J.D. Power and Associates surveys of service recipients show that Cadillac service is better than BMW. J.D. Power ranks Cadillac second in service department satisfaction. With a 14% lower rating, BMW is ranked 7th.

The CT4-V’s standard easy entry system glides the driver’s seat back, making it easier for the driver to get in and out. The 3 Series Sedan doesn’t offer an easy entry system.

The CT4-V’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 3 Series Sedan does not have an oil pressure gauge.

Optional air-conditioned seats in the CT4-V keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The 3 Series Sedan doesn’t offer air-conditioned seats.

The CT4-V offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the 3 Series Sedan.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Cadillac CT4-V has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the 3 Series Sedan.

The CT4-V Blackwing was chosen as one of Car and Driver’s “Top Ten” in 2022. The 3 Series Sedan has never been a Car and Driver “Top Ten” pick.