How often do you change spark plugs on a Chevy Cruze?
The typical spark plug replacement interval for a Chevy Cruze is about 100,000 miles under normal driving, though some engines and plug designs may require sooner changes, especially under harsh conditions.
Chevrolet Cruze models use different engines across years. The two most common powertrains in North America were a 1.8-liter naturally aspirated engine and a 1.4-liter turbocharged engine. In recent years, GM moved to long-life plugs made from platinum or iridium, which are designed to last until about 100,000 miles under routine use. Driving style, climate, and maintenance history can shorten or extend that window.
Engine options and typical intervals
Here are the general guidelines for the two main Cruze engines found in North America. Always verify with your owner's manual or dealer for your exact year and engine type.
1.4L turbocharged engine (ECOTEC)
Most owners can expect spark plugs to last about 100,000 miles under normal driving with iridium or platinum plugs. If copper plugs were installed or if you regularly drive in severe conditions (lots of short trips, extreme temperatures, heavy towing), replacement sooner in the 60,000–80,000 mile range is possible.
1.8L naturally aspirated engine
Similarly, the 1.8L engine is designed for long-life plugs, with about a 100,000-mile replacement interval under normal use. Copper plugs may require around 60,000 miles and severe-service driving can trim that interval as well.
Note: Copper-core spark plugs generally wear faster and have shorter replacement intervals than platinum or iridium plugs. If your Cruze has aftermarket copper plugs, expect a replacement schedule around 60,000 miles or less, unless you upgrade to a long-life design. For most factory configurations with long-life plugs, aim for roughly 100,000 miles in normal conditions.
Signs it's time to replace spark plugs
As you approach the upper end of the expected interval, or if you drive in challenging conditions, watch for these indicators that plugs may be worn or failing.
- Rough idling, misfires, or engine hesitation during acceleration
- Decreased fuel economy or power
- Difficulty starting or extended cranking time
- Engine knocking or pinging under load
- Check Engine Light or misfire codes
If you notice any of these symptoms, schedule service to inspect or replace the plugs. Replacing worn plugs can restore performance and efficiency.
Maintenance tips to maximize spark plug life
To extend the life of spark plugs and maintain optimal performance in your Cruze, consider these practices.
- Use the spark plug type and gap recommended by GM for your exact engine and model year
- Replace related ignition components (coils/wires) if they show signs of wear or misfire
- Adhere to the manufacturer’s replacement interval in the owner's manual, adjusting for severe conditions
- Keep the fuel system clean and use high-quality fuel to prevent fouling
- Address causing issues (like oil leaks or coolant intrusion) that can shorten plug life
Always refer to your owner’s manual or a trusted dealer for the precise interval for your Cruze’s year and engine configuration, as intervals can vary by market and model updates.
Summary
For most Chevy Cruze models with modern long-life plugs, plan for a spark plug change around 100,000 miles under normal driving. Copper plugs and severe-duty conditions can shorten that window to roughly 60,000–80,000 miles. Stay attentive to symptoms, confirm the exact interval in your manual, and replace plugs (and related ignition components as needed) to preserve performance and fuel efficiency.
How long do spark plugs last on a Chevy Cruze?
EVERY 60,000 MILES
The 60,000-mile mark is time for you to come in to have your spark plugs replaced and your ignition coil boots inspected. This will ensure that your car starts properly every time.
What year to stay away from Chevy Cruze?
The Chevy Cruze years to avoid are primarily 2011-2015, with particular issues noted for the 2013 and 2016 model years, due to common problems like transmission failure, coolant leaks, and engine issues. The 2016 model is also mentioned for engine problems, while the 2018 year is frequently cited for engine and electrical problems.
This video discusses the most common problems with the Chevy Cruze: 58sSteeveGMTECHYouTube · Jul 22, 2025
Years with most reported problems
- 2011–2015: This first generation is widely cited as having the most issues, including transmission failure, coolant leaks, and engine problems like cracked pistons and faulty water pumps.
- 2016: This year is specifically called out for engine issues, potentially related to the 1.4T engine.
- 2018: Many owners have reported engine and electrical problems with this model year, along with a specific recall for transmission fluid leaks.
Specific issues to look out for
- Engine: Common problems include cracked pistons, faulty water pumps, and coolant leaks, particularly on 1.4T engines.
- Transmission: Harsh shifting and complete transmission failure are frequent complaints across several model years.
- Cooling System: Leaks from plastic cooling components, especially around the 100,000-mile mark, can lead to overheating and engine damage.
- Electrical: Electrical system failures, including issues with the ignition, lighting, and control modules, were common in several years.
You can watch this video to learn about common Chevy Cruze problems and fixes: 59sAJS WoodworksYouTube · May 22, 2024
How to mitigate risks
- Check the vehicle history: Always get a vehicle history report and verify that all recall work has been completed.
- Perform a pre-purchase inspection: Have a qualified mechanic inspect the vehicle before buying to identify any existing or potential problems.
- Be aware of mileage: Many of the common failures, such as water pump failure, occur at higher mileage (around 100,000 miles).
How much does it cost to replace spark plugs in a Chevy Cruze?
The cost to replace the spark plugs on a Chevy Cruze can range from about $150 to $600, with a common average of around $150 to $200 for parts and labor at an independent shop, and potentially higher at a dealer. Factors like the specific model year, engine, and location will affect the final price, with dealer repairs sometimes costing between $350 and $575.
Cost breakdown
- Average range: Between $150 and $200, with labor costs around $85 to $125 and parts around $71, according to RepairPal.
- Dealer cost: Varies more, with prices sometimes ranging from $350 to over $575 for models with turbo engines, notes YourMechanic.
- Parts cost: A set of spark plugs for a compact car can cost roughly $50 to $80, while a single spark plug at Advance Auto Parts costs around $18.74.
- Labor cost: Labor is the most significant cost, and rates vary by location and whether you use a dealer or a private mechanic.
Factors that influence the cost
- Model Year and Engine: Different model years and engine types have varying parts and labor costs.
- Location: Labor rates differ based on your geographic location.
- Dealer vs. Independent Mechanic: Dealers typically have higher labor rates and parts costs than independent repair shops.
- Parts Quality: The price can also vary depending on the brand and quality of the parts used.
How do you know if your spark plugs are bad on a Chevy Cruze?
The most apparent symptom of bad spark plugs is your vehicle just seems 'off. ' It would probably start slowly with something as simple as lower fuel efficiency but could end up with no acceleration.
