A lot of people are also wondering if Lexus, the luxury brand of Toyota, will also get the diesel engines of BMW. As we know, Lexus is a BMW competition and naturally, the Bavarian brand would not give their engines to Lexus.

This was confirmed by an executive from Toyota Europe saying that the agreement with BMW does not entail BMW engines ending in the body of Lexus vehicles. The statement was supported by a recent interview of a German business paper with the development chief of BMW where he clarified that the diesel engines from their factories will not be used for the Lexus brand.

Experts in Germany also see that it will be wise for Toyota to position the Lexus brand as a leader in innovation gearing up to have more full hybrid vehicles and plug-ins to boost its sales. From January thru November of 2011, the European sales of Lexus was pegged at 24,623 compared to BMW’s 590,453 units for the same time.

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The new hybrid models of Lexus RX have a 3.5-liter V6, which produces a total output of 295 hp. The new RX 450h has 27 more horses than the current RX model 400h that has a 3.3-liter engine. Aside from the hybrid system’s new inverter, Lexus has also integrated two additional systems to improve engine efficiency: an exhaust-heat recovery system and an exhaust gas-recirculation system. The exhaust-heat recovery system shortens engine-warm up periods, while the gas-recirculation system helps lower gas expenses by cutting down on gas-pumping loss.

Aside from additional engine systems and upgraded suspension, the new RX models also have improved cargo space, six-speed automatic transmission, and remote-touch controller on the navigation system. The hybrid car models also roll out with an optional 19-inch wheel design, exclusive grille, blue-tinted and LED headlamps, front bumper, and hybrid tagging. The MacPherson strut layout, however, only has minor changes and updates.

As for the cabin interiors, drivers can now experience a more intuitive system via the remote-touch controller on the center console. The newly integrated wide-angle sideview monitor also gets plus points for safety and design because it gives drivers a better view of the passenger side blind spot. The 2010 RX 350 is slated for shipping and release in February, while the RX 450h will reach dealers in Spring.