The 2018 Sentra does not have drum brakes on all four wheels; it uses front disc brakes and rear drum brakes. This configuration is common for compact sedans of its era, balancing cost, reliability, and braking performance.
Understanding the brake layout helps you gauge maintenance needs, potential costs, and how the car behaves under braking in everyday driving conditions. Here is a closer look at the brake setup on this model year and what it means for owners and buyers.
Brake configuration in the 2018 Sentra
The following points outline the core components and how they’re arranged on the car.
- Front brakes: vented disc brakes, providing the primary stopping power and heat dissipation.
- Rear brakes: drum brakes, handling secondary braking duties and keeping production costs down.
- Safety electronics: Anti-lock Brakes (ABS) with Electronic Brake-force Distribution (EBD) are standard, aiding stability during hard braking or on slippery surfaces.
Overall, the 2018 Sentra relies on a front-disc, rear-drum configuration rather than a full four-wheel-disc setup.
Maintenance and driving implications
Brake wear and maintenance differ between the front discs and rear drums. Front discs typically require pad replacement (and potential rotor servicing if scoring or warping occurs), while rear drums involve shoe replacement and drum servicing. ABS/EBD assists steering control and braking effectiveness under various conditions, but maintenance scheduling should still follow the manufacturer’s recommended intervals.
Tips for keeping the braking system in good shape
- Inspect brake pads and shoes at regular intervals (often every 12,000–15,000 miles or annually, depending on usage).
- Expect potential rotor resurfacing or replacement for the front discs if there is scoring or warping.
- Have the drum brake components checked for wear and proper adjustment during routine service visits.
Summary
The 2018 Nissan Sentra pairs front vented disc brakes with rear drum brakes and includes standard ABS with EBD. This setup is typical for compact sedans of its time and affects maintenance planning, replacement costs, and braking feel. If you’re shopping for a used Sentra or performing maintenance, know that the front brakes are discs and the rear brakes are drums, not a four-wheel-disc system.


