The 2016 Honda HR-V uses four spark plugs—one for each of its four cylinders.
The HR-V is powered by a 1.8-liter inline-4 engine, a common setup in Honda’s compact lineup. In a four-cylinder engine like this, each cylinder requires its own spark plug to ignite the air-fuel mixture, totaling four plugs in the engine bay. This configuration is typical for Honda’s 1.8L engines from that era.
Engine and plug layout
Understanding the engine helps explain why there are four spark plugs. Each cylinder has a dedicated ignition point, and the HR-V’s 1.8L four-cylinder design uses four individual spark plugs, providing reliable ignition across all cylinders.
Maintenance and replacement considerations
Before listing practical details, note that plug types and replacement intervals depend on your trim, engine variant, and the type of plugs installed (copper vs platinum/iridium). The general guidance below applies to most 2016 HR-Vs with the 1.8L engine.
- Four spark plugs total: one for each cylinder
- Replacement interval: typically around 105,000 miles for iridium or platinum plugs; copper plugs generally require more frequent changes (often 30,000–60,000 miles). Always check the owner's manual for the exact specification.
- Common symptoms of worn plugs: rough idle, misfires, reduced fuel economy, hard starting, or a loss of power
- Replacement tips: use OEM or equivalent high-quality plugs; follow the engine’s gap and torque specifications per the manual; if unsure, have a professional perform the service
Before the list: The following points cover the essential information about the spark plugs in this vehicle.
Concluding note: For a 2016 HR-V, plan to inspect or replace all four spark plugs together and choose the plug type recommended by Honda to maintain optimal performance and efficiency.
Summary
The 2016 Honda HR-V’s 1.8-liter four-cylinder engine requires four spark plugs—one per cylinder. Use the recommended plug type and follow the manufacturer’s maintenance intervals to ensure reliable starts and good fuel economy.


