Compare the2025 BMW 4 Series CoupeVS 2024 Ford Mustang

Safety
Warranty
Reliability
Fuel Economy and Range
Drivetrain
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Passenger Space
Cargo Capacity
Servicing Ease
Ergonomics
Model Availability
Recommendations

Safety

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The 4 Series Coupe’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Mustang doesn’t offer pre-crash pretensioners.

The 4 Series Coupe’s standard pretensioning seatbelts also sense rear collisions and remove slack from the front seatbelts to help protect the occupants from whiplash and other injuries. The Mustang doesn’t offer a whiplash protection system.

Over 200 people are killed each year when backed over by motor vehicles. The 4 Series Coupe offers an optional Active Park Distance Control that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Mustang doesn’t offer automatic braking for stationary objects directly to the rear.

The 4 Series Coupe offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Mustang doesn’t offer all-wheel drive.

The 4 Series Coupe offers an optional Surround View to allow the driver to see objects all around the vehicle on a screen. The Mustang only offers a rear monitor and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the front or sides.

Both the 4 Series Coupe and the Mustang have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning and driver alert monitors.

Warranty

The 4 Series Coupe comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Mustang’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

The 4 Series Coupe’s corrosion warranty is 7 years longer than the Mustang’s (12 vs. 5 years).

BMW pays for scheduled maintenance on the 4 Series Coupe for 3 years and 36,000 miles. BMW will pay for oil changes, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Ford doesn’t pay scheduled maintenance for the Mustang.

Reliability

J.D. Power and Associates rated the 4 Series Coupe third among compact premium cars in their 2023 Initial Quality Study. The Mustang isn’t in the top three in its category.

J.D. Power and Associates’ 2023 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than Ford vehicles. With 9 fewer problems per 100 vehicles, JD Power ranks BMW higher than Ford.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Ford vehicles. J.D. Power ranks BMW above average in long-term dependability. With 5 more problems per 100 vehicles in the first three years of ownership, Ford is rated lower.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that BMW vehicles are more reliable than Ford vehicles. Consumer Reports ranks BMW 13 places higher in reliability than Ford.

Fuel Economy and Range

On the EPA test cycle the 4 Series Coupe gets better mileage than the Mustang Fastback:

			MPG
4 Series Coupe
RWD	Auto	3.0 turbo 6-cyl. Hybrid	27 city/34 hwy
		2.0 turbo 4-cyl. Hybrid	28 city/36 hwy
AWD	Auto	3.0 turbo 6-cyl. Hybrid	26 city/33 hwy
		2.0 turbo 4-cyl. Hybrid	27 city/34 hwy
Mustang Fastback
RWD	Manual	GT 5.0 V8	14 city/23 hwy
		Dark Horse 5.0 V8	14 city/22 hwy
	Auto	2.3 turbo 4-cyl.	22 city/33 hwy
		Performance 2.3 turbo 4-cyl.	21 city/29 hwy
		w/Start/Stop 5.0 V8	16 city/24 hwy
		5.0 V8	15 city/24 hwy
		Dark Horse 5.0 V8	14 city/22 hwy

Regenerative brakes improve the 4 Series Coupe’s fuel efficiency by converting inertia back into energy instead of wasting it. The Mustang doesn’t offer a regenerative braking system.

Regardless of its engine, the 4 Series Coupe’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. If the conditions warrant or the driver wishes, the system can be manually disabled at any time for the duration of a trip. Ford only offers an automatic engine start/stop system on the Mustang EcoBoost/GT (late availability).

The 4 Series Coupe has a standard locking fuel door which locks and unlocks with the power locks. The fuel filler door is not lockable on the Mustang. A locking fuel door helps prevent fuel theft and vandalism, such as sugar in the tank.

Drivetrain

All wheel drive, available in the 4 Series Coupe, provides the best traction for acceleration in wet, dry, and icy conditions. In corners, all wheel drive allows both outside wheels to provide power, balancing the car. This allows for better handling. The Ford Mustang is not available with all wheel drive.

Brakes and Stopping

For better stopping power the 4 Series Coupe’s standard brake rotors are larger than those on the Mustang:

	4 Series Coupe	Mustang
Front Rotors	13.7 inches	12.6 inches
Rear Rotors	13 inches	12.6 inches

The 4 Series Coupe’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs standard on the Mustang EcoBoost are solid, not vented.

The 4 Series Coupe stops shorter than the Mustang:

	4 Series Coupe	Mustang
70 to 0 MPH	148 feet	153 feet	Car and Driver

Tires and Wheels

The 430i Coupe’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Mustang EcoBoost’s standard 55 series tires.

For better ride, handling and brake cooling the 430i Coupe has standard 18-inch wheels. Smaller 17-inch wheels are standard on the Mustang EcoBoost.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the 4 Series Coupe can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Mustang doesn’t offer run-flat tires.

Suspension and Handling

For a smoother ride and more stable handling, the 4 Series Coupe’s wheelbase is 5.2 inches longer than on the Mustang (112.2 inches vs. 107 inches).

Passenger Space

Because it has more passenger and cargo room, the EPA rates the 4 Series Coupe a Compact car, while the Mustang Fastback is rated a Subcompact.

The 4 Series Coupe has 3.2 cubic feet more passenger volume than the Mustang Fastback (86 vs. 82.8).

The 4 Series Coupe has .4 inches more front headroom, .4 inches more rear headroom and 5.5 inches more rear legroom than the Mustang Fastback.

Cargo Capacity

The 4 Series Coupe has a much larger trunk than the Mustang Fastback (15.5 vs. 13.5 cubic feet).

Pulling a handle automatically lowers the 4 Series Coupe’s rear seats, to make changing between passengers and cargo easier. The Mustang doesn’t offer automatic folding seats.

With its coupe body style, valet key, locking rear seatbacks and remote trunk release lockout, the 4 Series offers cargo security. The Mustang’s non-lockable folding seat and non-lockable remote release defeat cargo security.

To make loading and unloading groceries and cargo easier, especially for short adults, the 4 Series Coupe offers an optional power trunk, which opens and closes automatically by pressing a button, or optionally by just waving your foot, completely leaving your hands free. The Mustang doesn’t offer a power trunk.

Servicing Ease

J.D. Power and Associates surveys of service recipients show that BMW service is better than Ford. J.D. Power ranks BMW 7th in service department satisfaction (above the industry average). With a 28% lower rating, Ford is ranked 22nd.

Ergonomics

The 4 Series Coupe offers an optional heads-up display that projects speed, tachometer, warning and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Mustang doesn’t offer a heads-up display.

If the windows are left open on the 4 Series Coupe the driver can close them all at the outside door handle. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Mustang can only close the windows from inside the vehicle, with the ignition on.

To help drivers avoid possible obstacles, the 4 Series Coupe has standard cornering lights to illuminate around corners when the turn signals are activated. The Mustang doesn’t offer cornering lights. The 4 Series Coupe also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

The 4 Series Coupe’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Ford only offers heated mirrors on the Mustang Premium/Convertible/Dark Horse.

When the 4 Series Coupe is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The Mustang’s mirror doesn’t automatically adjust for backing.

The 4 Series Coupe’s standard rear and side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Mustang offers an automatic rear view mirror, but its side mirrors don’t dim.

The 4 Series Coupe has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable and it can provide a boundary between children. The Mustang doesn’t offer a rear seat center armrest.

The 4 Series Coupe has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the Mustang.

For greater rear passenger comfort, the 4 Series Coupe has standard rear a/c vents to keep rear occupants more comfortable. The Mustang doesn’t offer rear vents.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the BMW 4 Series has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the Mustang.

The 4 Series Coupe’s optional Parking Assistant Plus can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Mustang doesn’t offer an automated parking system.

Model Availability

The BMW 4 Series comes in coupe, convertible and four door hatchback bodystyles; the Ford Mustang isn’t available as a four door.

Recommendations

The BMW 4 Series outsold the Ford Mustang by 2172 units during 2023.