2025 Infiniti QX55: Specs, Key Features & Rivals

For compact luxury suv shoppers, the QX55 from Infiniti is one of the options worth knowing. In its class, the QX55 faces RDX, Q4 e-tron and Q6 e-tron.

Total system output268 hp
Fuel economy (combined)25 mpg
Cargo (behind rear seats)26.9 cu ft
Seats5 seats

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Key Specifications

Engine & Performance

Engine & Performance: Infiniti QX55
Powertrain	Gas
Engine	2.0L turbo I4 (VC-Turbo)
Total system output	268 hp
Torque	280 lb-ft
Transmission	CVT
Drivetrain	AWD

Fuel Economy & Range

Fuel Economy & Range: Infiniti QX55
Fuel economy (combined)EPA estimate where available	25 mpg
Fuel economy (city)	22 mpg
Fuel economy (highway)	28 mpg

Space & Practicality

Space & Practicality: Infiniti QX55
Seats	5 seats
Cargo (behind rear seats)	26.9 cu ft
Cargo (seats folded)	54.1 cu ft

Off-road & Towing

Off-road & Towing: Infiniti QX55
AWD / 4WD available	Yes

Safety & Tech

Safety & Tech: Infiniti QX55
Basic warranty	4 yr / 60,000 mi

Dimensions

Dimensions: Infiniti QX55
Length	186.3 in
Width (no mirrors)	74.9 in
Wheelbase	110.2 in

How It Stacks Up in the Compact Luxury SUV Class

On total system output, the QX55 lands in the middle of the pack. Take the class average for fuel economy (combined), add 3.2%, and you have roughly where the QX55 sits. Its seats figure is roughly what you’d expect in this class.

Total system output

268 hp · class avg 265 hp

Fuel economy (combined)

25 mpg · class avg 24 mpg

Seats

5 seats · class avg 5 seats

Cargo (behind rear seats)

26.9 cu ft · class avg 26.5 cu ft

Torque

280 lb-ft · class avg 294 lb-ft

Cargo (seats folded)

54.1 cu ft · class avg 56.6 cu ft