Hey guys! If you're curious about the 2014 Nissan Altima S engine size and what makes it tick, you've come to the right place. We're diving deep into the heart of this popular sedan to give you all the juicy details. Whether you're a prospective buyer, a current owner, or just a car enthusiast, understanding the engine is key to appreciating the Altima S. So, let's get started!

Engine Overview

The 2014 Nissan Altima S primarily features a 2.5-liter four-cylinder engine. This engine is designed to strike a balance between fuel efficiency and adequate power for daily driving. It's a workhorse that's been refined over the years to provide a smooth and reliable experience. But what exactly does this engine offer in terms of performance? Let's break it down. The engine's architecture is a Dual Overhead Camshaft (DOHC) configuration with four valves per cylinder, enhancing its breathing and combustion efficiency. This design allows for better airflow and optimized fuel delivery, contributing to both power output and fuel economy. Additionally, the engine incorporates Nissan's Continuously Variable Valve Timing Control System (CVTCS) on both the intake and exhaust valves. CVTCS optimizes valve timing based on engine speed and load, further improving efficiency and responsiveness. The engine block is made of aluminum alloy, which helps reduce weight and improve thermal management. This lighter block contributes to the Altima's overall fuel efficiency and handling characteristics. Inside the engine, you'll find forged steel connecting rods and a cast aluminum crankshaft, designed for durability and reliability under various driving conditions. The pistons are also made of lightweight materials to minimize inertia and improve engine responsiveness. The 2.5-liter engine is paired with Nissan's Xtronic CVT (Continuously Variable Transmission), which further enhances fuel efficiency by optimizing engine speed for different driving conditions. The CVT provides smooth and seamless gear changes, contributing to a comfortable and refined driving experience. Overall, the 2014 Nissan Altima S's engine is a well-engineered and reliable unit that offers a good balance of performance and efficiency, making it a popular choice among sedan buyers.

Horsepower and Torque

The 2.5-liter engine in the 2014 Altima S churns out around 182 horsepower. That's enough oomph to get you going on the highway and handle city traffic with ease. But horsepower isn't everything, right? You also need torque, which is the twisting force that gets you off the line quickly. The Altima S delivers about 180 lb-ft of torque, providing decent acceleration and responsiveness. These figures make the Altima S a practical choice for everyday commuting and family duties. The horsepower output of 182 hp is achieved at around 6,000 rpm, while the peak torque of 180 lb-ft is available at approximately 4,000 rpm. This means that the engine delivers strong performance throughout the rev range, making it suitable for a variety of driving conditions. Whether you're accelerating from a standstill or cruising on the highway, the Altima S provides sufficient power and torque to meet your needs. The engine's performance is further enhanced by its advanced electronic control system, which continuously monitors various parameters such as throttle position, engine speed, and air-fuel ratio to optimize performance and efficiency. This system ensures that the engine is always operating at its peak potential, regardless of the driving conditions. Additionally, the Altima S features a well-tuned exhaust system that helps reduce backpressure and improve engine breathing, further enhancing performance. The exhaust system is designed to minimize noise and vibration, contributing to a comfortable and refined driving experience. Overall, the 2014 Nissan Altima S's engine offers a good balance of power and torque, making it a versatile and enjoyable car to drive. Whether you're commuting to work or taking a road trip, the Altima S provides the performance you need to get the job done.

Fuel Efficiency

One of the standout features of the 2014 Nissan Altima S is its impressive fuel economy. Thanks to its efficient engine and Continuously Variable Transmission (CVT), the Altima S sips fuel like a champ. You can expect to get around 27 mpg in the city and 38 mpg on the highway. That's pretty darn good for a mid-size sedan! This fuel efficiency not only saves you money at the pump but also reduces your carbon footprint. The Altima S's fuel efficiency is achieved through a combination of factors, including its lightweight design, aerodynamic body, and advanced engine technology. The car's body is designed to minimize drag, which reduces the amount of energy required to move it through the air. This helps improve fuel economy, especially at highway speeds. Additionally, the Altima S features low-rolling-resistance tires that further reduce friction and improve fuel efficiency. The engine's CVT transmission plays a crucial role in optimizing fuel economy. The CVT continuously adjusts the gear ratio to keep the engine operating at its most efficient speed. This eliminates the need for traditional gear changes, which can waste fuel and reduce performance. The Altima S also features an Eco mode that further enhances fuel efficiency by optimizing engine and transmission settings. When Eco mode is activated, the car's throttle response is reduced, and the transmission shifts earlier to keep the engine operating in its most efficient range. Overall, the 2014 Nissan Altima S is one of the most fuel-efficient mid-size sedans on the market. Its impressive fuel economy makes it a great choice for drivers who want to save money on gas and reduce their environmental impact. Whether you're commuting to work or taking a long road trip, the Altima S will help you get there without breaking the bank.

Transmission

The 2014 Nissan Altima S comes standard with a Continuously Variable Transmission (CVT). Unlike traditional automatic transmissions with fixed gears, a CVT uses a system of pulleys and belts to provide a seamless range of gear ratios. This results in smoother acceleration and better fuel economy. While some drivers might miss the feel of traditional gear shifts, the CVT in the Altima S is well-tuned and responsive. The CVT transmission in the Altima S offers several advantages over traditional automatic transmissions. One of the main benefits is its ability to continuously adjust the gear ratio to keep the engine operating at its most efficient speed. This eliminates the need for traditional gear changes, which can waste fuel and reduce performance. The CVT also provides smoother acceleration and a more comfortable driving experience. Because the CVT doesn't have fixed gears, it can seamlessly transition between different gear ratios without any noticeable shifts. This results in a smoother and more refined driving experience, especially during acceleration and deceleration. Additionally, the CVT helps improve fuel economy by keeping the engine operating in its most efficient range. By continuously adjusting the gear ratio, the CVT ensures that the engine is always operating at its optimal speed for maximum fuel efficiency. The CVT in the Altima S is also equipped with several advanced features, such as adaptive shift control and electronic control. Adaptive shift control monitors the driver's driving style and adjusts the transmission's behavior accordingly. This helps provide a more personalized and responsive driving experience. The electronic control system ensures that the CVT is always operating at its peak performance. Overall, the CVT transmission in the 2014 Nissan Altima S is a well-engineered and reliable unit that offers several advantages over traditional automatic transmissions. Its smooth acceleration, improved fuel economy, and advanced features make it a great choice for drivers who want a comfortable and efficient driving experience.

Reliability and Maintenance

When considering a car, reliability is a big deal. The 2014 Nissan Altima S generally has a good reputation for reliability, but like any car, it's not perfect. Regular maintenance is key to keeping it running smoothly. This includes oil changes, filter replacements, and keeping an eye on fluid levels. Addressing any issues early on can prevent bigger problems down the road. Maintaining the 2014 Nissan Altima S is essential for ensuring its longevity and reliability. Regular maintenance tasks include oil changes, filter replacements, fluid checks, and tire rotations. Following the manufacturer's recommended maintenance schedule is crucial for keeping the car in top condition. Oil changes should be performed every 5,000 to 7,500 miles, depending on driving conditions and oil type. Regular oil changes help keep the engine clean and lubricated, preventing wear and tear. Filter replacements, including air filters and fuel filters, should be performed according to the manufacturer's recommendations. Clean filters ensure that the engine is getting the proper air and fuel mixture for optimal performance. Fluid checks, including coolant, brake fluid, and power steering fluid, should be performed regularly to ensure that all systems are functioning properly. Low fluid levels can lead to overheating, brake failure, and other serious problems. Tire rotations should be performed every 6,000 to 8,000 miles to ensure even wear and prolong the life of the tires. Regular tire rotations can also improve handling and fuel economy. In addition to regular maintenance, it's important to address any issues early on to prevent them from becoming bigger problems. Common issues with the 2014 Nissan Altima S include CVT transmission problems, engine issues, and electrical problems. If you notice any unusual noises, vibrations, or warning lights, it's important to have the car inspected by a qualified mechanic as soon as possible. Overall, the 2014 Nissan Altima S is a reliable car that can provide years of trouble-free service with proper maintenance. By following the manufacturer's recommended maintenance schedule and addressing any issues early on, you can keep your Altima running smoothly and reliably for many years to come.

Common Issues

While the 2014 Nissan Altima S is generally reliable, some common issues have been reported. One of the most discussed is related to the CVT transmission. Some owners have experienced problems like shuddering, slipping, or complete failure. Other potential issues include problems with the electrical system and occasional engine troubles. Staying informed and proactive about maintenance can help mitigate these risks. Common issues with the 2014 Nissan Altima S include CVT transmission problems, engine issues, and electrical problems. CVT transmission problems are one of the most common complaints among Altima owners. Symptoms of CVT transmission problems include shuddering, slipping, and complete failure. These problems can be caused by a variety of factors, including overheating, lack of maintenance, and manufacturing defects. Engine issues can also occur in the 2014 Nissan Altima S. These issues can include problems with the engine's sensors, ignition system, and fuel system. Symptoms of engine problems include rough running, stalling, and decreased fuel economy. Electrical problems can also affect the 2014 Nissan Altima S. These problems can include issues with the car's lights, power windows, and audio system. Electrical problems can be caused by a variety of factors, including faulty wiring, corroded connections, and blown fuses. To mitigate these risks, it's important to stay informed and proactive about maintenance. Regular maintenance, such as oil changes, filter replacements, and fluid checks, can help prevent many of these problems from occurring. Additionally, it's important to have the car inspected by a qualified mechanic if you notice any unusual noises, vibrations, or warning lights. Staying informed about potential issues and taking proactive steps to address them can help keep your Altima running smoothly and reliably for many years to come. Overall, the 2014 Nissan Altima S is a reliable car that can provide years of trouble-free service with proper maintenance. By following the manufacturer's recommended maintenance schedule and addressing any issues early on, you can keep your Altima running smoothly and reliably for many years to come.

Conclusion

So, there you have it! The 2014 Nissan Altima S engine size is a 2.5-liter four-cylinder, offering a good balance of power and fuel efficiency. While it's not a sports car, it's a dependable and economical choice for everyday driving. Keep up with regular maintenance, and your Altima S should serve you well for years to come. Happy driving! The 2014 Nissan Altima S is a well-rounded sedan that offers a good combination of performance, fuel efficiency, and reliability. Its 2.5-liter four-cylinder engine provides adequate power for daily driving, while its CVT transmission helps improve fuel economy. The Altima S also offers a comfortable and spacious interior, making it a great choice for families and commuters. While the Altima S is generally reliable, it's important to be aware of potential issues, such as CVT transmission problems, engine issues, and electrical problems. Staying informed and proactive about maintenance can help mitigate these risks and keep your Altima running smoothly for many years to come. Overall, the 2014 Nissan Altima S is a solid choice for drivers who are looking for a reliable and fuel-efficient sedan. Its comfortable interior, smooth ride, and affordable price make it a great value for the money. Whether you're commuting to work or taking a road trip, the Altima S will provide you with a comfortable and enjoyable driving experience.