2014 Chevrolet Malibu With Stop-Start System Overview

Chevrolet launched an all-new Malibu for the 2013 model year, but it was less successful at winning sales than Chevy had hoped. In an attempt to increase its appeal, a revised 2014 Malibu is arriving at dealer showrooms now with a new look outside and in, including a freshened front-end and inside, a redesigned center console and a roomier rear seat.

But the changes go beyond cosmetic.

Malibu peeked into the parts bin of its bigger brother, the 2014 Impala, and picked up suspension enhancements, that Chevy says improves Malibu’s overall sense of driving refinement. And, to satisfy enthusiast drivers, engineers tweaked Malibu’s optional 2.0-liter turbo four resulting in a 14-percent increase in torque – 295 pounds-feet now, up from 260.

Also, several new safety features are available for 2014, including Side Blind Zone and Rear Cross Traffic alerts.

But wait, there’s more.

In a somewhat surprising move, the entry Malibu LS now comes standard with a stop-start system, the first midsize sedan sold in the United States that is so equipped. Combined with refinements of its 2.5-liter four-cylinder engine and a new six-speed automatic transmission, the LS has a significant fuel economy increase compared with the outgoing model.

The fuel-saving and emissions- reducing feature has become commonplace in Europe where it’s estimated that 40 to 45 percent of vehicles use the technology to meet European emission regulations.

Stop-start has been slow to catch on with U.S. automakers in part because of cost. For example, it is a $295 option on the 2014 Ford Fusion.

Another reason is that the driving cycles established by the Environmental Protection Agency, which helps determine mileage ratings for cars and trucks, don’t have an appropriate test to help determine a stop-start system’s effectiveness on mileage ratings.

When asked why Chevy included stop-start on the Malibu LS, Chad Lyons, Chevrolet communications manager said, “Customers are sensitive to fuel economy and we think it just makes sense.”

Not said was that more stringent Corporate Average Fuel Economy (CAFE) standards are set for 2016, and the 2014 Malibu will help General Motors to meet those requirements.

Malibu Stop-Start System

The Malibu’s stop-start falls under the category of a “light stop-start system.” Like other systems, the Malibu’ stop-start operates automatically and doesn’t require any input from the driver. It helps conserve fuel by shutting off the engine when the car comes to a stop, such as at stoplights. The engine automatically restarts when the driver takes his or her foot off the brake.

2014 Chevrolet Malibu Profile

Todd Pawlik, Malibu chief engineer, stated that leveraging knowledge from the start system used on eAssist (Malibu Eco), was key to improving city fuel ratings by 3 mpg, or five percent on Malibu’s entry-level model, compared to the 2013 model.

The system consists mainly of a beefed-up starter and a small auxiliary battery located behind the right rear wheel.

When the Malibu comes to a stop, an auxiliary electric transmission fluid pump maintains pressure in preparation for the “auto start” launch.

Ensuring quick, smooth start-ups from stop, the reinforced starter motor has a tandem solenoid. It supports change of mind operation by allowing the pinion placement and starter rotation to be controlled independently.

Employing absorbed glass mat (AGM) technology, the auxiliary battery’s purpose is to supply power to the vehicle’s electrical systems (not including the starter motor) for the brief moments when the engine is being re-started.

The stop-start system monitors – among other things – vehicle speed, climate control system operation and the force a driver applies to the brake pedal, to determine whether it is efficient to shut off the engine in certain driving conditions. For example, if a driver is creeping along at speeds less than 6 mph, with frequent brief braking as in stop-and-go traffic situations, the engine does not shut down so as to not inconvenience the driver.

Most vehicles with stop-start have a shut off switch allowing drivers to simply turn it off if they’re not happy with it. The Malibu will not have an optional kill switch.

Under The Hood

Stop-start isn’t the only 2014 Malibu fuel saving enabler. The car receives an improved Ecotec 2.5-liter four cylinder engine that also is used in the recently launched 2014 Impala.

2014 Chevrolet Malibu Front Left

The 2.5 continues with direct injection and variable valve timing, but for 2014 engineers incorporated a new valvetrain technology known as Intake Valve Lift Control. It saves fuel via a “low lift” mode. Under light loads, the intake valves open just enough for the engine to pump only the air it needs to meet the driver’s demand, eliminating what is called pumping losses.

The system switches to high-lift mode at higher speeds or under heavy loads, providing the full output capability of the engine.

A new six-speed automatic transmission makes its debut in the 2014 Malibu 2.5 SL. It includes improvements that reduce the energy required to pump transmission fluid, which enables additional fuel economy savings.

The new engine is SAE-certified at 196 horsepower and 186 pounds-feet of torque, both down slightly from the outgoing 2013 Malibu. But fuel economy has improved to an EPA estimate of 23 city/35 highway – a five percent improvement in city mileage and three percent greater highway efficiency.

Design Elements

Exterior changes to the 2014 Malibu’s exterior were limited to the front end, which were influenced by the full-size 2014 Impala. The new look features an emphasized lower grille and the hood extends down and over the leading edge of a narrower upper grille. The grille openings — with black grille texture — are wider and accented with chrome, which adds style that was lacking in the previous car.

Out back, the Malibu continues with two pairs of squared-off, Camaro-like taillights. The top-end LTZ trim sports dual stainless-steel exhaust tips.

The cabin has an open, airy feeling with quality looking soft-touch materials in all of the right places. The dash design is Chevrolet’s trademark cockpit style that features two large instrument clusters with easy-to-read white on black gauges.

2014 Chevrolet Malibu Interior

A redesigned center console has a more user-friendly extended armrest along with a pair of cup holders and a very thoughtful feature – a dedicated stow area for two cell phones.

The interior’s key upgrade is redesigned rear seats that provide an additional 1.25 inches of knee space and greater seating comfort. Front seatbacks were reshaped to gain the legroom, while new cushion sculpturing and revised cushion material allow passengers to sit deeper in the rear seats.

Standard features on the 2014 Malibu LS include remote keyless entry, power locks, windows and outside mirrors, cruise control, air conditioning, tilt/telescoping steering wheel, a six-speaker audio system with AM/FM/CD/satellite radio and Bluetooth phone connectivity.

On the safety front, all 2014 Malibus have 10 airbags including front and rear airbags and dual rear side-mounted airbags. To assist drivers in avoiding accidents standard are four-channel anti-lock disc brakes, stability and traction control, brake force distribution, and corner brake control.

Pricing

Pricing is, as you might expect, slightly higher for the 2014 Malibu LS over the 2013 model. The sticker price is $22,965 including an $895 destination charge, a $395 increase.

Moving up, the Malibu 1LT is priced at $24,335, the 2LT at $26,040 and $28,515 for the top LTZ trim. The 2013 Malibu Eco with the eAssist system carries over and starts at $26,670.


Price quote for Chevrolet Malibu

2014 Chevrolet Malibu With Stop-Start System Overview
Base MSRP: $22,965
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