Based on an all-new platform and turbocharged engine, the completely new 2019 Infiniti QX50 SUV promises to address its predecessor’s major fault: the lack of interior room.

Infiniti calls the larger QX50 a midsized crossover, although its dimensions put it squarely head to head with compact models such as the Audi Q5. Still, the new QX50 is wider and taller than the outgoing version, which should translate into more passenger space. The current model, which dates to 2008, when it was called the Infiniti EX, always felt cramped inside. 

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The new engine is a 268-hp, 2.0-liter turbocharged four-cylinder mated to a continuously variable transmission. According to Infiniti, the engine delivers the power of a gasoline turbo engine with the fuel economy and torque of a diesel. We'll see how this works in the real world when we buy our own 2019 Infiniti QX50 to test.

Infiniti expects the engine to deliver 27 mpg combined in front-wheel-drive QX50s and 26 mpg combined in all-wheel-drive versions on the EPA fuel economy scale. This is a 35 percent and 30 percent improvement, respectively, over the V6 engine in the current QX50. 

2019 Infiniti QX50

The new QX50 will be available with the ProPilot Assist system, technology that helps drivers maintain control on highways. It requires them to keep their hands on the steering wheel to prevent distraction. The system will work on roads with clearly marked lane dividers.

Inside the QX50 is room for five passengers, with a second-row seat that can slide forward or backward depending on what's needed: more rear-seat legroom or cargo room. Moving the rear seat forward expands the cargo volume from a claimed 31.6 cubic feet to 37 cubic feet; fold the seats down and the QX50 can hold up to 60 cubic feet. Infiniti says the cargo area can hold three golf bags with the seats up.

Infiniti hasn't announced pricing or when the QX50 will go on sale. 

2019 Infiniti QX50