Reviews Of 2013 Nissan Altima

The 2013 Nissan Altima marked a significant turning point for the mid-size sedan, introducing a completely redesigned model aiming for enhanced fuel efficiency, improved handling, and a more refined interior. This article provides an in-depth look at the technical aspects and reviews surrounding the 2013 Altima, targeting those interested in understanding the engineering and design choices that shaped this popular vehicle.

Engine and Powertrain

The 2013 Altima primarily offered two engine options:

2.5-Liter Inline-4 (QR25DE): This was the standard engine, producing approximately 182 horsepower and 180 lb-ft of torque. It featured dual overhead camshafts (DOHC), four valves per cylinder, and multi-point fuel injection. A key focus for this generation was optimizing this engine for fuel economy. Nissan achieved this through refinements to the combustion process, including improved intake port design and reduced internal friction. The QR25DE was known for its reliability and smooth power delivery in everyday driving situations.
3.5-Liter V6 (VQ35DE): Available in higher trim levels, the VQ35DE delivered significantly more power, around 270 horsepower and 251 lb-ft of torque. This engine was a well-regarded unit in Nissan's lineup, known for its strong performance and relatively smooth operation. It also employed DOHC and four valves per cylinder, but incorporated more advanced features such as continuously variable valve timing control system (CVTCS) to optimize performance and efficiency across the RPM range.

A crucial aspect of the 2013 Altima's powertrain was its exclusive use of the Xtronic CVT (Continuously Variable Transmission). Nissan heavily invested in CVT technology, aiming to provide better fuel economy and a smoother driving experience compared to traditional automatic transmissions. The CVT works by using a belt and pulley system to provide an infinite range of gear ratios, theoretically keeping the engine operating at its optimal RPM for any given speed and load. This design choice received mixed reviews; while it undeniably contributed to impressive fuel economy figures, some drivers found the CVT's behavior – particularly the engine "drone" during acceleration – to be less engaging than a conventional automatic. Nissan attempted to mitigate this with simulated "gear steps" in certain driving modes, mimicking the feel of a traditional transmission.

Technical Details of the CVT

The specific CVT model used in the 2013 Altima varied slightly depending on the engine. However, the fundamental principles remained the same. The key components included:

Input and Output Pulleys: These variable-diameter pulleys are connected by a steel belt. Changing the diameter of the pulleys alters the effective gear ratio.
Steel Belt: A robust steel belt designed to transmit torque between the pulleys. The design and materials of the belt are critical for reliability and durability.
Hydraulic Control System: A sophisticated hydraulic system controls the position of the pulley halves, thus determining the gear ratio. Precise control is essential for smooth transitions and optimal performance.
Electronic Control Unit (ECU): The ECU monitors various parameters, such as vehicle speed, engine speed, and throttle position, to determine the appropriate gear ratio for the driving conditions.

The CVT's programming was a significant factor in the overall driving experience. Nissan's engineers tuned the CVT to prioritize fuel economy, resulting in early upshifts and a reluctance to downshift unless significant throttle input was applied. This strategy, while effective for fuel efficiency, sometimes led to a feeling of sluggishness, especially during passing maneuvers.

Chassis and Suspension

The 2013 Altima featured a unibody construction, with a redesigned chassis aimed at improving stiffness and reducing weight. The suspension setup consisted of:

Front Suspension: Independent strut-type suspension with coil springs and stabilizer bar. This design provided a good balance between ride comfort and handling.
Rear Suspension: Multi-link independent suspension with coil springs and stabilizer bar. This more sophisticated rear suspension contributed to improved handling stability and ride quality compared to simpler torsion beam setups.

Nissan made efforts to reduce weight in the chassis and suspension components, using lightweight materials where possible. This contributed to improved fuel economy and handling agility. The steering system was an electric power-assisted steering (EPAS) system, which offered variable assist based on vehicle speed. While EPAS systems are generally more efficient than traditional hydraulic power steering, some drivers found the steering feel to be somewhat numb and lacking in feedback.

Interior and Technology

The interior of the 2013 Altima was redesigned with a focus on improved materials and a more modern design. Key features included:

NissanConnect Infotainment System: Available with a touchscreen display, this system offered navigation, Bluetooth connectivity, and smartphone integration. The usability and responsiveness of the system were generally considered to be average for its time.
NASA-Inspired "Zero Gravity" Seats: These seats were designed to provide improved comfort and reduce fatigue on long drives. They were based on research conducted by NASA on the optimal seating position for astronauts. While the effectiveness of this design was subjective, many reviewers found the seats to be comfortable and supportive.
Advanced Driver-Assistance Systems (ADAS): Higher trim levels offered features such as blind-spot monitoring, rear cross-traffic alert, and lane departure warning. These features enhanced safety and driver convenience.

The quality of the interior materials was generally considered to be a step up from the previous generation Altima, although some critics noted that certain areas still felt somewhat plasticky. The overall design was clean and functional, with a user-friendly layout of controls.

Safety

The 2013 Altima performed well in crash tests conducted by the National Highway Traffic Safety Administration (NHTSA) and the Insurance Institute for Highway Safety (IIHS). Standard safety features included:

Anti-lock braking system (ABS)
Electronic stability control (ESC)
Traction control system (TCS)
Multiple airbags (front, side, and curtain)

The availability of advanced driver-assistance systems, such as blind-spot monitoring and rear cross-traffic alert, further enhanced the Altima's safety credentials.

Reviews and Reception

The 2013 Nissan Altima received generally positive reviews, with praise for its fuel economy, comfortable ride, and spacious interior. Consumer Reports, for example, highlighted its impressive fuel efficiency and praised its smooth ride quality. However, criticisms were often directed at the CVT's driving feel and the somewhat uninspired handling. Edmunds.com noted that while the Altima was a competent and practical choice, it lacked the sporty character of some of its competitors. The V6 engine option was generally seen as a worthwhile upgrade for those seeking more performance, but the CVT remained a point of contention for some drivers.

Overall, the 2013 Nissan Altima was a well-rounded mid-size sedan that prioritized fuel economy and comfort. Its redesign brought significant improvements in efficiency and interior quality, making it a competitive option in a crowded segment. However, the CVT transmission and somewhat numb steering remained points of criticism for some reviewers and drivers. The vehicle's reliability record has generally been good, making it a potentially attractive option in the used car market, particularly for buyers seeking a fuel-efficient and practical family sedan.

Prospective buyers should carefully consider their driving preferences and priorities when evaluating a 2013 Altima. If fuel economy and a comfortable ride are paramount, the Altima is a strong contender. However, those seeking a more engaging driving experience may want to explore alternative options with traditional automatic transmissions or more responsive handling characteristics.