2026 Acura RDX vs 2026 GMC Acadia

$45,100 · Crossover

$43,700 · Crossover

Comparison Overview

The 2026 Acura RDX delivers a sharp, premium driving edge, underpinned by its precise 10-speed transmission and sporty stance, leveraging 272 horsepower from its standard AWD system. Its distinct excitement lies in accessible performance within a sophisticated package, achieving 27 MPG on the highway. Conversely, the 2026 GMC Acadia arrives as the brawnier contender, immediately distinguishable by its substantial 328 horsepower—a significant 56 hp advantage over the Acura. While the RDX prioritizes agility with its 187.4-inch length, the Acadia leans into imposing road presence at 204.0 inches. Though both return a combined 23 MPG, the Acadia demands only regular unleaded fuel, contrasting with Acura's premium recommendation. Buyers face a choice between Acura's refined handling dynamics and GMC's sheer grunt.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

Choose the Acura RDX if...

A driver values standard All-Wheel Drive for year-round stability.
A preference exists for the quicker shifting responsiveness of a 10-speed automatic.
A smaller, more nimble footprint (187.4 inches) is desired for urban navigation.

Choose the GMC Acadia if...

Maximizing pure engine power (328 hp) is the primary performance goal.
Requiring the largest possible interior volume, evidenced by its substantial physical dimensions.
A desire to use regular unleaded gasoline rather than premium is important for running costs.

Key Dimensions

Dimension	Acura RDX	GMC Acadia
Length	187.4"	204.0"
Width	74.8"	79.6"
Height	65.7"	71.0"
Wheelbase	108.3"	120.9"

Features Comparison

Safety

Feature	Acura	GMC
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	2
Rear Height Adjustable Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	—
Engine Immobilizer	✓	✓
Third Row Head Airbags	—	✓
Rear Ventilated Disc Brakes	—	✓
Headlight Delay-Off	—	✓
Rear Fixed Headrests	—	✓

Engine

Feature	Acura	GMC
Base Engine Displacement	2.0 L	2.5 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	gas
Horsepower	272 hp @ 6500 rpm	328 hp @ 5500 rpm
Torque	280 lb-ft @ 1600 rpm	326 lb-ft @ 3500 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	GMC
Transmission Type	10-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	front wheel drive
[object Object]	✓	—
[object Object]	✓	—

Fuel

Feature	Acura	GMC
Fuel Type	premium unleaded (recommended)	regular unleaded
EPA Fuel Economy (City/Highway)	21/27 MPG	20/27 MPG
EPA Fuel Economy (Combined)	23 MPG	23 MPG
EPA Driving Range (City/Highway)	359.1/461.7 mi.	0/0 mi.
Fuel Tank Capacity	17.1 gal.	—

Comfort & Convenience

Feature	Acura	GMC
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	✓	✓
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	✓	✓
Front View Camera	—	✓
Side View Camera	—	✓
Rear Parking Sensors	—	✓
Wireless Charging Pad	—	✓
3rd Row Cupholders	—	✓
Heated Steering Wheel	—	✓
Three Zone Climate Control	—	✓
Sun Sensor	—	✓
Digital Rearview Mirror	—	✓

In Car Entertainment

Feature	Acura	GMC
Infotainment Display	10.2 in	15.0 in
AM/FM Stereo	✓	✓
Speaker System	9	12
Subwoofer Count	1	1
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	3 months
Speed Sensitive Volume Control	✓	✓
Premium Speaker Brand	—	Bose
Auxiliary Audio Input	—	✓

Power Feature

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

Frontseats

Feature	Acura	GMC
Front Head Room	40.0 in.	42.6 in.
Front Leg Room	42.0 in.	44.3 in.
Front Shoulder Room	60.0 in.	62.0 in.
Front Hip Room	55.0 in.	59.2 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	—
Passenger Seat Height Adjustment	✓	—
Passenger Seat Lumbar Support	Power	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Cloth	—	✓
Passenger Seat Manual Adjustments	—	4-way

Rearseats

Feature	Acura	GMC
Rear Head Room	38.0 in.	40.0 in.
Rear Leg Room	38.0 in.	41.5 in.
Rear Shoulder Room	57.0 in.	62.0 in.
Rear Hip Room	50.0 in.	58.4 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Reclining Rear Seats	—	✓
Manual Folding Third Row Seat	—	✓

Tires and Wheels

Feature	Acura	GMC
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	19 x 8.0 in	18 x 7.5 in
Tire Type	All Season	All Season
Tire Size	235/55R19	255/65R18
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Underbody Mounted

Suspension

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

Warranty

Feature	Acura	GMC
Basic Warranty	4 yr./ 50000 mi.	3 yr./ 36000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	5 yr./ 60000 mi.
Corrosion/Rust Warranty	5 yr./ unlimited mi.	6 yr./ 100000 mi.
Roadside Assistance	4 yr./ 50000 mi.	5 yr./ 60000 mi.
Complimentary Scheduled Maintenance	1 yr./ 12000 mi.	1 yr./ unlimited mi.

Frequently Asked Questions

Common questions about comparing the 2026 Acura RDX and 2026 GMC Acadia.

How significant is the 56 horsepower difference between these crossovers?

The 56 hp gap means the 2026 GMC Acadia, with 328 hp, will feel noticeably quicker off the line and more effortless during highway passing maneuvers compared to the RDX's 272 hp.

Which vehicle offers more practical cargo hauling capabilities?

While the specification shows the RDX at 29.5 cu ft and the Acadia at 23 cu ft, the Acadia's overall larger exterior dimensions (204.0 inches long) suggest superior overall utility space when seats are folded down.

Does the difference in drive type affect handling characteristics?

The RDX comes standard with All-Wheel Drive, generally providing superior traction in slick conditions, whereas the Acadia utilizes a standard Front Wheel Drive configuration.

How does fuel cost compare considering fuel requirements?

The 2026 Acura RDX recommends premium unleaded, adding to the running cost, while the 2026 GMC Acadia accepts less expensive regular unleaded, offsetting its slightly higher 20 MPG city rating.

Considering the MSRP difference, is the RDX’s powertrain worth the extra cost?

The RDX costs $1,400 more upfront ($45,100 vs. $43,700) but provides a more sophisticated 10-speed automatic and AWD, appealing to those valuing engineered refinement over raw power.