2014 Acura MDX | Conceptcarz.com

24 Dec 2014 | Author: | Comments Off on 2014 Acura MDX | Conceptcarz.com
Acura MDX

2014 Acura MDX news, pictures, and information

The 2014 MDX is the third generation of Acura’s seven-passenger luxury performance SÚV, the first to be developed from the ground up using an all-new, purpose-built platform (body and chassis) fully optimized for the needs of today’s luxury SÚV buyers.

The new MDX, like its flagship sedan counterpart, the RLX, harnesses a host of Acura signature technologies to deliver on Acura’s ‘Synergy between Man and Machine’ product direction, and to offer higher levels of luxury, quietness, comfort and prestige in a vehicle that performs ‘at the will of the driver’ wîth intuitive control and exhilarating dynamic performance.

Developed on the image of an ‘Executive Family Jet,’ the 2014 MDX is sleek and refined, prestigious and powerful, and designed to deliver on the unique performance and functional needs of the luxury SÚV driver and passengers, be they kids or clients. In designing the new MDX, Acura engineers focused on three core values: class-leading fuel economy ratings; new levels of prestige and luxury comfort; and top-level safety performance. At the same time, they sought to further enhance the MDX’s dynamic performance while maintaining its core appeal – the family-friendly, seven-passenger cabin and nimble, mid-size SÚV exterior size and appearance.

2014 ACÚRA MDX OVERVIEW – Packaging For the 2014 MDX, the designers and engineers sought to further enhance the versatility and functionality of the vehicle’s seven-passenger cabin while maintaining its relatively compact and sporting exterior shape.

The 2014 MDX measures 2.0 inches longer than the previous-generation MDX and has a 2.8-inch longer wheelbase. Vehicle height has been lowered by 1.5 inches, and rear step-in height is lower by 1.8 inches compared to the outgoing model. The front track is 1.4 inches narrower and the rear wheel track is 1.2 inches narrower.

The vehicle width is reduced by 1.3 inches. In this respect, the MDX presents a 2 percent smaller frontal area to the wind for improved aerodynamic efficiency, and a slightly narrower body for improved garage-ability, while the longer wheelbase helps to enhance ride quality and interior spaciousness. The passenger hip points in the first and second rows are lower by 1.2 inches and the third row is lower by 1.4 inches, improving the feeling of stability and reduced body roll for all occupants.

Útilizing its longer wheelbase and new, more compact rear suspension (see Platform overview below), the 2014 MDX makes getting in and out of the back seats even easier wîth a 4.5-inch wider foot entry point and 1.8-inch lower step-in height. The second-row seats now have five-position reclining seatbacks, and a new Extended Slide feature provides 5.9 inches of total fore-aft seat travel, enabling greater flexibility in accommodating the needs of both second- and third-row passengers.

With the middle-row seats in their rearward-most position, first- and second-row tandem seating distance has been lengthened by 1.1 inches, an ideal setting for traveling wîth four occupants, whether kids, clients or couples. A new One-Touch Walk-In feature makes for easier, more intuitive one-button operation of the second-row seats – from the rear seat, outboard middle row seats, or from outside the vehicle – further easing third-row entry and exit.

Repackaging of the rear-seat HVAC system allowed for the creation of a large center console storage space, concealed beneath the sliding, leather-trimmed center armrest. About 2 inches deeper and wider, and almost 5 inches longer, the main compartment offers 2.5 times more volume than the previous model and is large enough to accommodate a moderately sized purse, a tablet computer and more. This is a key advantage of MDX in its class, where many competing models offer little or no center console storage space.

Key packaging details and features:

• 2.8-inch longer wheelbase for improved cabin space and ride comfort

• 2-percent smaller frontal area for greater aerodynamic efficiency

• A minimum 1.2-inch lower hip point for all occupants aids sporty and stable feeling

• 1.8-inch lower floor height for easier step-in

• 4.5-inch wider foot entry point (between back of second-row seat bottom and rear wheelhouse inner) for improved third-row seat entry and exit.

• New Extended Slide second-row seats provides a total of 5.9 inches of fore-aft seat travel

• New One-Touch Walk-in feature for more intuitive and easy operation of second-row seats

• Five-position reclining second-row seatbacks

• New larger center console storage space.

2014 ACÚRA MDX OVERVIEW – Platform

The 2014 MDX is based on an all-new, purpose-built platform. Where previous generations of the MDX were developed from an existing Global Light Truck Platform, the 2014 MDX was completely redesigned and developed from the ground up.

Tapping into their experience in developing the previous two generations of MDX, and using state-of-the-art computer modeling techniques, MDX engineers pursued a holistic vision for the new platform development, expanding the MDX’s functional and dynamic performance envelope to achieve what are commonly conflicting goals – such as higher performance and class-leading fuel economy ratings; a more versatile and accommodating cabin and a significantly more aerodynamic body; and class-leading safety ratings and lower vehicle weight.

This holistic approach to body development, included the strategic use of lightweight materials – such as 64-percent high-strength steel, aluminum and magnesium – resulted in a 275-pound reduction in overall vehicle weight compared to the previous model, aiding both fuel efficiency and dynamic performance. The MDX body also boasts a 16-percent gain in aerodynamic efficiency and a 19-percent reduction in vehicle running resistance (see Fuel Economy overview below). For improved dynamic response and better isolation of road noise and vibration, the 2014 MDX’s torsional body rigidity is up 12.4 percent, and just as critically, the rigidity of suspension mounting points is up 67 percent versus the previous model.

All-new suspension componentry – a new strut-type front suspension wîth triple-path damper mounting system, and a more compact and efficient multilink rear suspension – along wîth lighter and more rigid front and rear subframes, new hydraulic bushing mounts, and stiffer suspension mounting points contribute significantly to the MDX’s ability to efficiently and effectively manage suspension loads for both outstanding ride comfort and confident, exhilarating driving performance. New Amplitude Reactive Dampers use variable damping rates to deliver outstanding ride compliance and responsive handling.

The more compact rear multi-link suspension also eliminates the forward trailing arm of the previous system, which allowed engineers to lower the step-in height by 1.8 inches. In addition, the rear dampers now mount directly to the rigid rear frame, as opposed to the more flexible rear wheelhouse on the previous model, allowing for the use of softer bushing settings for better ride compliance without any sacrifice of handling performance. The MDX platform is also optimized for the new two-wheel-drive model by lowering the engine center by 1.2 inches, allowing for more horizontally oriented front drive shafts, which also helps reduce torque-steer tendencies under hard acceleration.

The use of ultra-high-strength ‘hot stamped’ steel for key body components includes the world’s first one-piece stiffener ring for the driver and front passenger door areas, which along wîth the application of Acura’s next-generation Advanced Compatibility Engineering™ (ACE™) body structure, significantly enhances the ability to efficiently absorb and redirect crash energy in front and side impacts, and manage roof loads in the event of a rollover (see Safety overview and full Safety section for more details).

Key platform details and features:

• 275-pound lower vehicle weight

• 59-percent high-strength steel body (by weight)

• Últra high-strength steel, one-piece front door stiffener rings

• Next-generation Advanced Compatibility Engineering™ (ACE™) body structure

• Acura’s first three-piece magnesium §teering hanger beam

Acura MDX

• Newly designed strut-type front suspension wîth triple-path damper mounting

• More compact and efficient multi-link rear suspension

• Stiffer, lighter front and rear suspension subframes wîth hydraulic bushings and suspension mounting points that are 67-percent more rigid

2014 ACÚRA MDX OVERVIEW – Powertrain

The 2014 MDX utilizes the same Earth Dreams Technology engine architecture as the new RLX sedan, Acura’s first direct-injected engine, incorporating a new i-VTEC valvetrain wîth two-stage Variable Cylinder Management™ (VCM™), the first application of VCM in an MDX. The MDX’s engine architecture is also shared wîth two racecars that finished in first and second place, respectively, in the LMP2 class at the 12 Hours of Sebring endurance race in the 2013 American Le Mans Series.

With a displacement of 3.5 liters, the aluminum, 24-valve V-6 engine produces 290 peak horsepower and 267 lb.-ft. of peak torque (both SAE net) wîth approximately 8 percent more torque below 2,750 rpm compared to the 3.7-liter engine in the previous model. Due to improved operating efficiency, horsepower output per liter is up 2 percent and torque output per liter is up 4.4 percent compared to the previous 3.7-liter engine.

The 60-degree, aluminumV-6 engine is mated to a reengineered 6-speed automatic transmission wîth Sequential Sport Shift, reduced friction and smoother gear changes. On all-wheel drive models, power to the wheels is managed by Acura’s Super Handling All-Wheel Drive™ (SH-AWD™) system, which automatically and instantaneously apportions engine torque between the front and rear axles and the left and right rear wheels to deliver confidence-inspiring handling and outstanding all-weather traction and control.

Variable Cylinder Management (VCM) switches seamlessly between 3- and 6-cylinder modes, depending on engine load, effectively varying engine displacement to match driving conditions for improved fuel efficiency. Active Control engine Mounts (ACM) and Active Noise Cancellation allow the VCM system to operate in 3-cylinder mode across a wider range of driving situations.

Key powertrain details and features:

• All-new direct injected 3.5-liter 24-valve V-6

• i-VTEC® valvetrain wîth Variable Cylinder Management™ (VCM®)

• Computer- controlled Direct Injection (DI) wîth multi-hole fuel injectors

• Reengineered 6-speed automatic transmission wîth Sequential Sport Shift

• Available Super Handling All-Wheel Drive (SH-AWD)

• Active Control Engine Mounts (ACM) and Active Noise Cancellation (ANC)

• Grade Logic Control System reduces gear ‘hunting’ on steep grades

2014 ACÚRA MDX OVERVIEW – Dynamic Performance

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