The ADX makes 190 horsepower and 179 lb-ft from its 1.5-liter VTEC Turbo, sends it through a CVT with paddle shifters on every trim, and offers all-wheel drive with Intelligent Control System on all three grades. Drive modes run Snow, Comfort, Normal and Sport.

The UX 300h pairs a 2.0-liter Atkinson-cycle four with hybrid drive for 196 total system horsepower through a planetary continuously variable transmission. Lexus fits paddle shifters only to the F SPORT Handling grade, and its EPA ratings with front-wheel drive are 45 city and 41 highway, where the ADX is rated 26 and 31.

• Acura ADX: 190 hp and 179 lb-ft from a 1.5L VTEC Turbo
• Acura ADX: CVT with paddle shifters on every trim
• Acura ADX: AWD with Intelligent Control System available on all trims
• Acura ADX: EPA-estimated 26/31 mpg city/highway with FWD
• Lexus UX 300h: 196 hp combined hybrid system output
• Lexus UX 300h: EPA-estimated 45/41 mpg city/highway with FWD
• Lexus UX 300h: paddle shifters on F SPORT Handling only

Every ADX pairs a 9-inch touchscreen with a 10.2-inch digital instrument display Acura calls the Precision Cockpit, and wireless Apple CarPlay and Android Auto are standard across the board. The A-Spec with Advance Package adds Google built-in with three years of data, a 15-speaker Bang and Olufsen system and a Multiview Camera System.

The UX 300h starts with an 8-inch touchscreen and moves to a 12.3-inch screen on the F SPORT Handling grade, where it is also available on the Premium. Lexus tops its audio at a 10-speaker premium system.

• Acura ADX: 9-inch touchscreen standard on every trim
• Acura ADX: 10.2-inch digital instrument display
• Acura ADX: wireless Apple CarPlay and Android Auto standard
• Acura ADX: 15-speaker Bang and Olufsen on A-Spec with Advance Package
• Lexus UX 300h: 8-inch touchscreen standard, 12.3-inch available
• Lexus UX 300h: 10-speaker premium audio at the top of the range

AcuraWatch is standard on all three ADX trims, with Collision Mitigation Braking, Road Departure Mitigation, Lane Departure Warning, Forward Collision Warning, and Adaptive Cruise Control with Low-Speed Follow and Traffic Jam Assist. Blind Spot Information and Cross Traffic Monitor are standard too, and the A-Spec with Advance Package adds Low-Speed Braking Control, parking sensors and the Multiview Camera System.

Lexus counters with Lexus Safety System+ 3.0 on every UX grade, plus Blind Spot Monitor with Rear Cross-Traffic Alert. Both brands put their core driver-assistance suite on the base car, so the differences show up in the extras further up each range.

• Acura ADX: AcuraWatch standard on all three trims
• Acura ADX: adaptive cruise with Low-Speed Follow and Traffic Jam Assist
• Acura ADX: Blind Spot Information and Cross Traffic Monitor standard
• Acura ADX: Multiview Camera on A-Spec with Advance Package
• Lexus UX 300h: Lexus Safety System+ 3.0 standard
• Lexus UX 300h: Blind Spot Monitor with Rear Cross-Traffic Alert

Both seat five, and the ADX has the edge on space. It offers 24.4 cubic feet of cargo room behind the second row on the ADX and A-Spec, 23.2 on the A-Spec with Advance Package, with 37.7 inches of rear legroom and a 104.5-inch wheelbase. Heated front seats and dual-zone climate control are standard, and A-Spec grades add a panoramic moonroof and ventilated front seats.

Lexus publishes 17.2 cubic feet of cargo space for the UX 300h and 33.1 inches of rear legroom on a 103.9-inch wheelbase. Heated and ventilated front seats start at the Premium grade rather than the base car.

• Acura ADX: 24.4 cu ft of cargo space on ADX and A-Spec
• Acura ADX: 37.7 inches of rear legroom
• Acura ADX: heated front seats and dual-zone climate standard
• Acura ADX: panoramic moonroof and ventilated seats on A-Spec
• Lexus UX 300h: 17.2 cu ft of cargo space
• Lexus UX 300h: 33.1 inches of rear legroom

The ADX measures 185.8 inches long on a 104.5-inch wheelbase with 7.3 inches of ground clearance. Base cars wear 18-inch wheels, A-Spec grades get 19-inch wheels with black lug nuts, gloss black lower trim and Gun Metallic skid garnishes, and Double Apex Blue Pearl II joins the premium paint list for 2026.

The UX 300h is shorter at 177.0 inches on a 103.9-inch wheelbase, and every grade rides on 18-inch wheels with run-flat tires. For 2026 Lexus adds an Ultra White exterior on two grades and an F SPORT Appearance Package.

• Acura ADX: 185.8 inches long, 104.5-inch wheelbase
• Acura ADX: 7.3 inches of ground clearance
• Acura ADX: 19-inch wheels on A-Spec grades
• Acura ADX: Double Apex Blue Pearl II new for 2026
• Lexus UX 300h: 177.0 inches long
• Lexus UX 300h: 18-inch wheels on every grade