2018 Nissan Sentra
2018 Nissan Sentra
The 2018 Nissan Sentra is a compact sedan that offers a comfortable ride and a spacious interior. It is available with a 1.8-liter four-cylinder engine that produces 124 horsepower and 125 lb-ft of torque, or a 1.6-liter turbocharged four-cylinder engine that produces 188 horsepower and 177 lb-ft of torque. Both engines are paired with a continuously variable transmission (CVT).
The Sentra has received generally positive reviews from critics. It is praised for its comfortable ride, spacious interior, and good fuel economy. However, some critics have found the CVT transmission to be unrefined, and the base engine to be underpowered.
Engine
- 1.8L 4-Cylinder Engine
- Intake Valve Carbon Buildup Description/Symptoms: Buildup of carbon deposits on the intake valves, which can cause reduced engine power, rough idling, and decreased fuel economy. Solution: Cleaning the intake valves with a chemical cleaner or walnut blasting. Estimated Cost to Fix: $300 - $600 Recalls: None Found
- Timing Chain Tensioner Failure Description/Symptoms: A faulty timing chain tensioner can lead to a stretched or broken timing chain, resulting in catastrophic engine damage. Solution: Replacing the timing chain tensioner and timing chain. Estimated Cost to Fix: $1,000 - $2,000 Recalls: N/A
- 1.6L Turbocharged 4-Cylinder Engine
- Turbocharger Failure Description/Symptoms: A failing turbocharger can exhibit signs of reduced engine power, increased oil consumption, and smoke from the exhaust. Solution: Replacing the turbocharger. Estimated Cost to Fix: $2,000 - $3,000 Recalls: None Found
Transmission
- Continuously Variable Transmission (CVT)
- CVT Pulley Failure Description/Symptoms: A failed CVT pulley can lead to issues with gear engagement, slipping, or even complete transmission failure. Solution: Replacing the CVT pulley and related components. Estimated Cost to Fix: $1,500 - $3,000 Recalls: None Found
- CVT Overheating Description/Symptoms: Overheating of the CVT can cause the transmission to slip, shudder, or even fail completely. Solution: Rebuilding or replacing the CVT. Estimated Cost to Fix: $2,500 - $5,000+ Recalls: None Found
Suspension
- No Issues Found
Electrical
- Battery Drain Description/Symptoms: Excessive battery drain can lead to difficulty starting the vehicle or complete battery failure. Solution: Identifying and repairing the source of the drain, such as faulty wiring, accessories, or modules. Estimated Cost to Fix: $100 - $500+ Recalls: None Found
Exterior
- Headlight Condensation Description/Symptoms: Moisture buildup inside the headlight assembly, causing fogging or condensation. Solution: Replacing the headlight assembly or adjusting the ventilation. Estimated Cost to Fix: $300 - $600 Recalls: None Found
Interior
- Dashboard Rattle Description/Symptoms: Rattling or squeaking noises coming from the dashboard area. Solution: Applying sound dampening material or tightening loose components. Estimated Cost to Fix: $100 - $300 Recalls: None Found
Summary
Overall, the 2018 Nissan Sentra has received mixed reviews. While it offers a comfortable ride and a spacious interior, some issues with the CVT transmission and engine have been reported. The cost to fix these issues can range from minor to significant, so it is important to be aware of potential problems before purchasing.