2018 Nissan Sentra Reliability Score & Common Problems

Owners of the 2018 Nissan Sentra frequently report issues related to the brake light switch, which affects the vehicle's ability to start and causes brake lights to fail, potentially leading to near-collision situations. Complaints often mention problems with the automatic emergency braking (AEB) system, with sensors falsely indicating obstructions and intermittently disabling cruise control and braking functions. These issues are commonly reported at mileage around 30,000 to 66,000 miles. Safety implications include unintended acceleration, brake failure, and two incidents involving smoke and fire. Prospective buyers should be aware of these recurring issues and their potential impact on vehicle safety and functionality.

Owners of the 2018 Nissan Sentra frequently report issues with the forward collision avoidance system, particularly involving the automatic emergency braking (AEB) and radar sensors. Common symptoms include the AEB system activating unexpectedly, false positives regarding obstructions, and warning lights indicating system malfunctions. Complaints often describe these issues occurring intermittently and at varying speeds, with some reports beginning as early as 1,000 miles. One incident involves a crash with an injury, highlighting potential safety implications. Buyers considering this vehicle should be aware of these reported issues, especially as they could affect driving safety and system reliability.

Owners of the 2018 Nissan Sentra frequently report issues related to the exterior lighting, particularly involving brake lights and headlamps. Symptoms include brake lights failing to illuminate and headlamps experiencing electrical failures, often occurring around 29,000 to 79,000 miles. Some complaints involve crashes due to inoperable brake lights, with one incident resulting in a rear-end collision and a concussion. Additionally, several owners express frustration with delays in obtaining parts for recall repairs related to these lighting issues. These patterns indicate potential safety implications, particularly regarding visibility and signaling to other drivers.

Owners of the 2018 Nissan Sentra frequently report issues with the vehicle's speed control, particularly related to the CVT transmission and collision avoidance systems. Common symptoms include the car stalling, shaking, and losing power during acceleration, as well as the vehicle failing to move forward or only operating in reverse. Some complaints involve the automatic emergency braking system activating unexpectedly, causing sudden stops, while others mention forward collision sensors triggering braking without obstruction. These issues are often noted in vehicles with mileage over 80,000, with one complaint involving a crash due to accelerator and collision avoidance failures. Potential buyers should be aware of these reported problems, as they may impact the vehicle's reliability and safety.

Owners report that the 2018 Nissan Sentra frequently experiences issues with airbag deployment during crashes, with seven incidents involving crashes where airbags did not deploy as expected. Typical symptoms described include airbags failing to activate upon impact, leading to injuries such as head, neck, and torso trauma. Additionally, some owners note problems with the passenger airbag system, where the airbag remains off despite a passenger being present, often linked to a faulty occupant classification sensor. Mileage at the time of these issues varies, with some reports occurring around 13,000 to 70,000 miles. These patterns indicate potential safety implications, including increased risk of injury during collisions due to non-deploying airbags and malfunctioning seatbelt restraints.

Owners of the 2018 Nissan Sentra frequently report issues related to the CVT transmission, with symptoms including loss of power, shuddering, and difficulty moving the vehicle. Some complaints describe sudden transmission failures that leave the vehicle inoperable, with one owner noting a failure at approximately 61,000 miles. In addition, there are reports of the engine failing to start even after battery replacement and issues with the vent control valve. Safety implications are significant, as one complaint involves a vehicle fire resulting in an injury, and another describes a loss of control leading to potential accident risks. These patterns suggest potential reliability concerns for buyers considering a used 2018 Nissan Sentra.

Owners of the 2018 Nissan Sentra frequently report issues related to steering functionality. Common symptoms described include difficulty turning the steering wheel, audible alarms, and messages indicating a malfunction, often self-correcting after a vehicle restart. Several complaints highlight steering instability, such as the vehicle pulling to one side, and in one case, the steering wheel locking, leading to a temporary loss of control. Reports also mention mechanical failures like a faulty tie rod and a clock spring issue affecting the horn function. Notably, these problems arise at various mileage points, with one report occurring as early as 27,360 miles. Safety concerns are evident, with owners expressing fears of potential wheel detachment and steering loss, which could pose risks during highway driving.