2025 BMW X4 vs 2026 Acura MDX

$55,300 · Crossover

$51,800 · Crossover

Comparison Overview

The most significant numerical divergence between the 2025 BMW X4 and the 2026 Acura MDX is in output, where the MDX delivers 290 horsepower compared to the X4's 248 hp, a difference of 42 hp. This performance gap exists despite the MDX having a lower Manufacturer's Suggested Retail Price (MSRP) of $51,800 versus the X4's $55,300. Fuel efficiency shows the X4 leads slightly with a 24 MPG combined rating against the MDX's 22 MPG combined, though both require premium fuel (required for the BMW, recommended for the Acura). Dimensionally, the MDX is substantially larger, measuring 198.4 inches in length compared to the X4's 187.6 inches. Cargo space is nearly identical, with the X4 offering 18.5 cu ft and the MDX offering 18.1 cu ft. The X4 utilizes an 8-speed automatic, while the MDX employs a 10-speed unit.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW X4

The BMW X4 achieves a superior combined fuel economy of 24 MPG compared to the Acura MDX's 22 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Acura MDX

The Acura MDX offers greater overall physical dimensions, including a significantly longer wheelbase, suggesting potentially better passenger volume.

🏎️ Best for Enthusiasts

2026 Acura MDX

The 2026 Acura MDX outputs 290 horsepower and 267 lb-ft of torque, outperforming the BMW X4's 248 hp and 258 lb-ft.

💰 Best Value

2026 Acura MDX

The Acura MDX costs $3,500 less while simultaneously delivering 42 more horsepower than the BMW X4.

Choose the BMW X4 if...

You prioritize better fuel efficiency, achieving 21/27 MPG city/highway versus the MDX's 19/26 MPG.
You prefer the slightly lower overall exterior footprint with a length of 187.6 inches.
You require a higher standard cargo capacity, measuring 18.5 cubic feet versus 18.1 cubic feet.

Choose the Acura MDX if...

Maximum engine power is important, as the MDX generates 290 horsepower.
You seek a lower initial outlay, as the MSRP is $51,800, which is $3,500 less than the X4.
A 10-speed automatic transmission is preferred over the X4's 8-speed unit.

Key Dimensions

Dimension	BMW X4	Acura MDX
Length	187.6"	198.4"
Width	75.5"	78.7"
Height	63.8"	67.9"
Wheelbase	112.8"	113.8"

Features Comparison

Safety

Feature	BMW	Acura
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
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	✓	✓
Adaptive Headlights	✓	—
Self-Leveling Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Rear Cross Traffic Alert	—	✓
Third Row Head Airbags	—	✓
Rear Solid Disc Brakes	—	✓

Engine

Feature	BMW	Acura
Base Engine Displacement	2.0 L	3.5 L
Number of Cylinders	inline 4	V6
Base Engine Type	gas	gas
Horsepower	248 hp @ 5200 rpm	290 hp @ 6200 rpm
Torque	258 lb-ft @ 1450 rpm	267 lb-ft @ 4700 rpm
Number of Valves	16	24
Camshaft Type	Double overhead cam (DOHC)	Single overhead cam (SOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Cylinder Deactivation	—	✓

Drive Train

Feature	BMW	Acura
Transmission Type	8-speed shiftable automatic	10-speed shiftable automatic
Drivetrain Type	all wheel drive	front wheel drive
Center Differential Type	Limited Slip	—
Hill Descent Control	✓	—

Fuel

Feature	BMW	Acura
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	21/27 MPG	19/26 MPG
EPA Fuel Economy (Combined)	24 MPG	22 MPG
EPA Driving Range (City/Highway)	361.2/464.4 mi.	351.5/481.0 mi.
Fuel Tank Capacity	17.2 gal.	18.5 gal.

Comfort & Convenience

Feature	BMW	Acura
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	✓	—
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	✓	✓
Cargo Floor Mats	✓	—
Power Tilt and Telescopic Steering Wheel	—	✓
Wireless Charging Pad	—	✓
Adaptive Cruise Control	—	✓
Power Rear Seat Easy Entry	—	✓
Three Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓

In Car Entertainment

Feature	BMW	Acura
Infotainment Display	12.3 in	12.3 in
AM/FM Stereo	✓	✓
Stereo Power	205W	—
Speaker System	12	11
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	—
Satellite Radio Trial Period	12 months	—
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	BMW	Acura
Front Head Room	39.5 in.	38.5 in.
Front Leg Room	40.7 in.	41.6 in.
Front Shoulder Room	57.5 in.	61.9 in.
Seat Material: Leatherette	✓	✓
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	10-way	8-way
Driver Seat Manual Adjustments	2-way	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	10-way	8-way
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Thigh Extension	✓	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Hip Room	—	59.3 in.
Front Seat Type: Bucket	—	✓
Driver Seat Lumbar Support	—	Power
Passenger Seat Lumbar Support	—	Power

Rearseats

Feature	BMW	Acura
Rear Head Room	37.2 in.	38.1 in.
Rear Leg Room	35.5 in.	38.5 in.
Rear Shoulder Room	56.0 in.	60.3 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Rear Hip Room	—	57.8 in.
Reclining Rear Seats	—	✓
Manual Folding Third Row Seat	—	✓

Tires and Wheels

Feature	BMW	Acura
Wheel Finish	Painted Alloy	—
Wheel Size	19 x 7.5 in	19 x 8.5 in
Tire Size	✓	255/55R19
Run Flat Tires	✓	—
Wheel Material	—	Alloy
Tire Type	—	All Season

Suspension

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

Warranty

Feature	BMW	Acura
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.	5 yr./ unlimited mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	1 yr./ 12000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 BMW X4 and 2026 Acura MDX.

Which vehicle is faster off the line given the specification differences?

The 2026 Acura MDX is theoretically faster due to its higher output of 290 horsepower and 267 lb-ft of torque compared to the X4's 248 hp and 258 lb-ft. However, final 0-60 mph times depend heavily on the drivetrain configuration (AWD vs. FWD) and weight not provided here.

How does the mandated fuel type affect long-term running costs?

The BMW X4 requires premium unleaded fuel, leading to higher per-gallon costs for every fill-up. The Acura MDX only recommends premium unleaded, allowing owners to potentially save money using regular unleaded, offsetting some of the MDX's slightly lower 22 MPG combined rating.

Is the Acura MDX substantially larger than the BMW X4?

Yes, the MDX is significantly larger, boasting a length of 198.4 inches compared to the X4's 187.6 inches, resulting in a 10.8-inch difference. The MDX is also wider and taller across all dimensions.

Do the cargo areas provide significantly different utility?

No, the cargo capacities are virtually identical, with the X4 providing 18.5 cu ft and the MDX offering 18.1 cu ft. Despite the MDX being over 10 inches longer overall, this space difference is negligible for practical storage needs.

Which vehicle provides a superior value proposition based on initial investment versus performance metrics?

The Acura MDX presents a superior value proposition, costing $3,500 less while offering a substantial 42 horsepower advantage over the BMW X4.

Why does the BMW X4 have better MPG despite being less powerful?

The X4’s better fuel economy (24 MPG combined vs. 22 MPG combined) likely stems from its lower curb weight, smaller overall dimensions, and the tuning of its 8-speed automatic transmission optimized for efficiency over the MDX's 10-speed unit.