Niamh Hart. Honda. October 19th , 2017.
For the first time, the new 2018 Odyssey has 1500-megapascal (MPa) ultra-high-strength steel door reinforcement beams and ultra-high-strength front door outer stiffener rings made of 1500-MPa hot-stamped steel. Laser welded and significantly stronger than ordinary steel, the ultra-high-strength steel reinforcements are designed to help better protect occupants in a frontal or side impact. Their increased strength allows the components to be made lighter which also helps reduce overall vehicle weight for improved fuel efficiency.
To further improve emissions compliance, the 3.5-liter V6 makes use of an after-catalytic-converter exhaust gas recirculation (EGR) system that allows cleaner, cooler EGR gas to be fed back into the intake system. An EGR system, especially one that delivers a cleaner, cooler charge, reduces pumping loss for better fuel efficiency. With its 60-degree V-angle and compact, rigid and lightweight high-pressure die-cast aluminum cylinder block assembly, the 3.5-liter V6 powerplant is exceptionally smooth during operation. Other factors that help reduce engine noise and vibration are a rigid forged-steel crankshaft, die-cast accessory mounts, and a stiff cast-aluminum oil pan that reduces cylinder block flex.
The strength of the "tailgate ring" (the circular metal structure surrounding the tailgate) is vitally important for superior vehicle handling, stability and ride quality. Debuting on the 2016 Honda Pilot and applied to the 2018 Odyssey for the first time, this advanced tailgate ring contributes to the new model gain in torsional rigidity, benefiting ride, handling and NVH. For the first time in the Odyssey, body stiffness is enhanced using structural foam inserts in key locations. These include the left and right C-pillar stiffeners, and within an inside bracket that connects the left and right side center frames under the front floor. The improved body stiffness pays dividends in handling precision, ride quality, NVH and crash safety.
Acoustic laminated windshield glass helps reduce noise entering the cabin on EX-L and above trims. Tuned specifically to attenuate wind-, urban- and traffic-noise frequencies, the acoustic windshield uses an outer layer of 2.0 mm safety glass, a 0.7 mm thick middle layer of acoustic polyvinyl butyral (PVB) and a 2.0 mm inner layer for a total thickness of 4.7 mm - an increase over the 4.5mm thickness of the previous-generation Honda Odyssey windshield. This helps the Odyssey place at the top of its class in wind-noise performance.
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