2025 Acura RDX vs 2025 INFINITI QX50

$44,700 · Crossover

$43,000 · Crossover

Comparison Overview

The most significant numerical difference between the 2025 Acura RDX and the 2025 INFINITI QX50 is their combined fuel economy rating: 2 MPG. The QX50 achieves 25 MPG combined (22 city/28 highway), surpassing the RDX's 23 MPG combined (21 city/27 highway). Price differential stands at $1,700, with the QX50 starting at $43,000 against the RDX's $44,700 MSRP. Power output is closely matched, with the RDX generating 272 hp compared to the QX50's 268 hp, although both vehicles deliver an identical 280 lb-ft of torque. Dimensional metrics show the RDX is 2.7 inches longer (187.4 inches vs. 184.7 inches), yet the QX50 offers superior storage capacity at 31.4 cu ft versus the RDX's 29.5 cu ft. Both utilize premium unleaded fuel and feature all-wheel drive, but utilize different transmission architectures (10-speed automatic for RDX vs. CVT for QX50).

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

Choose the Acura RDX if...

The buyer prioritizes a traditional geared transmission over a continuously variable transmission (CVT).
A preference exists for a slightly longer vehicle body (187.4 inches) for perceived road presence.
Maximum horsepower output, even if only by 4 hp, is a key consideration.

Choose the INFINITI QX50 if...

Fuel efficiency, achieving 2 MPG better combined performance, is critical for long-term running costs.
A buyer seeks the maximum cargo volume, as 31.4 cu ft outweighs the RDX's 29.5 cu ft.
A lower initial purchase price of $43,000 is desired over the RDX's $44,700 MSRP.

Key Dimensions

Dimension	Acura RDX	INFINITI QX50
Length	187.4"	184.7"
Width	74.8"	74.9"
Height	65.7"	66.0"
Wheelbase	108.3"	110.2"

Features Comparison

Safety

Feature	Acura	INFINITI
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic 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
Front Ventilated Disc Brakes	✓	✓
Rear Solid Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
LED 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	✓	✓
Dual Rear Side-Mounted Airbags	—	✓
Rear Ventilated Disc Brakes	—	✓
Headlight Delay-Off	—	✓

Engine

Feature	Acura	INFINITI
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	gas
Horsepower	272 hp @ 6500 rpm	268 hp @ 5600 rpm
Torque	280 lb-ft @ 1600 rpm	280 lb-ft @ 4800 rpm
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Acura	INFINITI
Transmission Type	10-speed shiftable automatic	continuously variable-speed automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
Center Differential Type	—	Limited Slip

Fuel

Feature	Acura	INFINITI
Fuel Type	premium unleaded (recommended)	premium unleaded (recommended)
EPA Fuel Economy (City/Highway)	21/27 MPG	22/28 MPG
EPA Fuel Economy (Combined)	23 MPG	25 MPG
EPA Driving Range (City/Highway)	359.1/461.7 mi.	352.0/448.0 mi.
Fuel Tank Capacity	17.1 gal.	16.0 gal.

Comfort & Convenience

Feature	Acura	INFINITI
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	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	✓
Universal Remote Transmitter	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Overhead Console with Storage	✓	✓
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	✓	✓
Rear Parking Sensors	—	✓

In Car Entertainment

Feature	Acura	INFINITI
Infotainment Display	10.2 in	8.0 in
AM/FM Stereo	✓	✓
Speaker System	9	6
Subwoofer Count	1	—
Android Auto (Wireless)	✓	—
Apple CarPlay (Wireless)	✓	—
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Speed Sensitive Volume Control	✓	✓
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓

Power Feature

Feature	Acura	INFINITI
One-Touch Power Windows	4	2
Moonroof Type	1st Row Power Glass	—
Keyless Entry	✓	✓
Reverse Tilt Passenger Mirror	✓	—
Heated Mirrors	✓	✓

Frontseats

Feature	Acura	INFINITI
Front Head Room	40.0 in.	41.0 in.
Front Leg Room	42.0 in.	39.6 in.
Front Shoulder Room	60.0 in.	57.9 in.
Front Hip Room	55.0 in.	55.6 in.
Seat Material: Leatherette	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Passenger Seat Power Adjustments	8-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Driver Seat Heating	Multi-level	—
Passenger Seat Heating	Multi-level	—

Rearseats

Feature	Acura	INFINITI
Rear Head Room	38.0 in.	39.1 in.
Rear Leg Room	38.0 in.	38.7 in.
Rear Shoulder Room	57.0 in.	57.1 in.
Rear Hip Room	50.0 in.	53.8 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Reclining Rear Seats	—	✓

Tires and Wheels

Feature	Acura	INFINITI
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	19 x 8.0 in	19 x 7.5 in
Tire Type	All Season	—
Tire Size	235/55R19	235/55R19
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Run Flat Tires	—	✓

Suspension

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

Warranty

Feature	Acura	INFINITI
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 60000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	6 yr./ 70000 mi.
Corrosion/Rust Warranty	5 yr./ unlimited mi.	7 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ 60000 mi.
Complimentary Scheduled Maintenance	1 yr./ 12000 mi.	3 yr./ unlimited mi.

Frequently Asked Questions

Common questions about comparing the 2025 Acura RDX and 2025 INFINITI QX50.

Does the difference in transmission types significantly affect performance between these two crossovers?

The 2025 Acura RDX uses a 10-speed shiftable automatic, offering defined gear steps, while the INFINITI QX50 employs a continuously variable transmission (CVT). The RDX's conventional automatic may appeal more to drivers seeking traditional shift engagement despite similar torque figures.

How close are the fuel economy metrics for these AWD premium crossovers?

The QX50 leads by a noticeable margin, achieving 25 MPG combined versus the RDX's 23 MPG combined. Both require premium unleaded fuel, mitigating some of the benefit for the QX50 driver.

Which vehicle offers more utility based solely on published cargo dimensions?

The 2025 INFINITI QX50 is structurally superior for hauling capacity, offering 31.4 cubic feet of cargo space. The 2025 Acura RDX provides 29.5 cubic feet behind the rear seats.

Is the horsepower deficit in the QX50 noticeable compared to the RDX?

The QX50 produces 268 hp, only 4 hp less than the RDX's 272 hp, while both share an identical 280 lb-ft of torque. This minimal power difference is unlikely to be perceptible in standard driving scenarios.