Nissan Announces New 5.6-liter V-8 for Titan, Titan XD
Nissan announced Tuesday that its new Titan and Titan XD pickups will be powered by an all-new 5.6-liter V-8 that makes 390 horsepower and 401 pound-feet of torque. The new V-8 replaces the aging mill that produced 317 hp and 385 pound-feet of torque.
According to Nissan, the new V-8 — dubbed Endurance — will be built at the automaker’s Decherd, Tennessee powertrain assembly that produces all powertrains for vehicles assembled in the U.S.
(Apparently, Nissan’s announcement broke the automaker’s press site. The site went down shortly after the announcement.)
Although the new 5.6-liter V-8 shares a similar displacement to the engine that it replaces in the Titan, there are key differences, according to the automaker. The new V-8 will use direct injection, unlike the last generation, and it will feature a higher compression ratio (11.2:1 vs. 9.8:1). Variable Valve Event & Lift, similar to the outgoing engine, will continue in the new V-8.
The new engine shares many similarities with the Infiniti QX80’s 5.6-liter V-8, which is built in Yokohama, Japan. Both engines are mated to 7-speed automatics with adaptive shift and downshift rev matching. The QX80’s engine is slightly more potent; it produces 400 hp and 413 pound-feet of torque.
(The 5-liter Cummins diesel engine found in the Titan XD uses a six-speed auto, interestingly.)
A Nissan spokesman didn’t immediately comment on the differences between the two engines.
It’s unclear if the new Endurance V-8 will replace the Yokohoma, Japan-built 5.6-liter V-8 in the Infiniti QX80, which is assembled in Canton, Mississippi. According to the Decherd powertrain plant’s website, it produces all powertrains for U.S.-built Nissan and Infiniti vehicles, including the Nissan Leaf.
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I do think this engine will be a different beast than the "older" 5.6. For starters GDI will help with FE. This engine in the XD will chew through some fuel, this is a given due to the mass of the XD. In the lighter Titan I would expect this engine to deliver better FE than even the older V8.
And Toyota soldiers on with the 4.7L gas guzzling boat anchor. This is where someone replies with, "at least it's reliable." Yup - that's what people said about the 'ye old GM 4.3L V6 back in 2002 after it had been under hoods in one form or another for decades.