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4 Signs Your INFINITI May Need New Spark Plugs

November 04, 2022 · 3 min read

Your car's engine needs three things to function correctly: air, fuel, and spark. A spark plug delivers the spark that ignites the air/fuel mixture so your engine will start and run reliably. Plugs can sometimes become fouled with deposits or damaged by heat and vibration. If this happens, they will need more time to supply the spark your INFINITI needs to run reliably and efficiently. Here are four signs it's time to have your INFINITI dealer inspect those plugs.

A Spark Plug Primer - 4 Signs It's Time to See Your INFINITI Dealer

Engine Misfires

One of the most common symptoms of bad plugs is an engine misfire. If one or more cylinders aren't firing properly because of a bad plug, you'll notice a loss of power, sometimes accompanied by a sputtering sound or shaking as your engine struggles to maintain its RPMs. In some cases, an engine misfire will also cause the check engine light to come on. That's a reminder that misfires can cause severe engine damage, so don't ignore this problem!

Poor Gas Mileage

Many people don't realize plugs are crucial in determining their gas mileage. Over time, deposits can build up on the electrodes of your plugs, causing them to fire less efficiently. They may not provide enough spark, leading to incomplete combustion and poor gas mileage. If you notice that your car is getting poorer gas mileage than usual, it's a good idea to have your plugs checked by a mechanic.

Rough Idle

If your engine is idling roughly, it could indicate that one or more of your plugs is bad. This issue can cause your engine to vibrate and make an unusual rattling or knocking noise. You'll most likely notice a rough idle when you're stopped at a light or backed up in traffic. While several different issues can cause rough idling, bad plugs are at the top of the list of common culprits.

Hard Starts

It would help if you also generated enough spark to start your car when you turn the key or press the start button. If you're experiencing jerky starts or long crank times before your car starts, especially in colder weather, you may have worn-out or damaged plugs that just aren't generating enough "juice" to ignite the air-fuel mixture in your car's cylinders. Over time, this could cause serious damage to your engine and starter and drain your car battery.

Worn-out or damaged plugs can cause problems for your car, including hard starting, misfiring, a rough idle, and poor fuel economy. If you're experiencing problems listed above, your car's plugs likely need to be replaced. Not sure if it's time for new plugs? Stop by or call today to set up a service appointment at DARCARS INFINITI of Greenwich!

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Jul 23, 2025 in DARCARS INFINITI of Greenwich

Leasing vs. Buying: Which Is Right for Your Next INFINITI?

Shopping for a new INFINITI is exciting—but before you get behind the wheel, there’s an important decision to make: Should you lease or buy? Both options offer unique benefits, and the right choice depends on your lifestyle, driving habits, and long-term goals. At DARCARS INFINITI of Greenwich, our finance team is here to help you understand the pros and cons of each path so you can drive away with total confidence. Benefits of Leasing an INFINITI Leasing is a popular choice for drivers who enjoy upgrading to the latest model every few years. With a lease, you typically enjoy lower monthly payments compared to buying, and your vehicle is covered under warranty for most—if not all—of your lease term. This option is great if you want access to the newest features and technology, minimal repair costs, and the flexibility to move into a new INFINITI when your lease ends. Many of our customers in Greenwich and nearby areas love the ease and simplicity that comes with leasing. Why Buying May Be the Better Long-Term Move If you plan to keep your vehicle for many years or drive more than the typical lease mileage allowance, buying might be the smarter option. When you buy, you build equity in the vehicle and eventually own it outright. This means no more monthly payments once your loan is paid off. Buying also gives you the freedom to customize your vehicle, drive as many miles as you want, and avoid wear-and-tear restrictions. If long-term value is your goal, purchasing your INFINITI can be a sound investment. Understanding Mileage Limits, Equity, and Resale One of the main differences between leasing and buying comes down to ownership and flexibility. Leasing comes with mileage limits, usually between 10,000 and 15,000 miles per year. If you exceed those limits, you’ll pay fees at lease-end. On the other hand, buying gives you unlimited mileage and the ability to resell or trade in your vehicle when you're ready to move on. If you plan to take long road trips or have a lengthy daily commute, buying may better suit your needs. Talk to Our Finance Experts About Your Options Still unsure which option makes sense for you? Our team at DARCARS INFINITI of Greenwich is happy to walk you through your personalized options. We’ll take into account your budget, lifestyle, and long-term plans to help you choose the best financing path. Whether you're leaning toward a lease or a loan, we’ll guide you every step of the way. Start Your INFINITI Journey in Greenwich Today No matter how you choose to drive your next INFINITI, DARCARS INFINITI of Greenwich is here to support you. Browse our new inventory online, stop by our showroom for a test drive, or schedule an appointment with our finance team to discuss leasing and loan offers. Your luxury vehicle experience starts here.

Jul 08, 2025 in DARCARS INFINITI of Greenwich

5 Questions to Ask Before Buying a Used Luxury Vehicle

Shopping for a used luxury car is a great way to enjoy high-end features without the new car price tag—but not all pre-owned vehicles are created equal. At DARCARS INFINITI of Greenwich, we offer a carefully selected inventory of quality used vehicles, including Certified Pre-Owned (CPO) INFINITI models that meet the highest standards. Before you make your decision, here are five key questions to ask that will help ensure you drive home in a vehicle you can trust and love. 1. What’s the Vehicle’s Maintenance History? A detailed service history is one of the most important indicators of a well-maintained vehicle. Ask if the vehicle has received regular oil changes, inspections, and repairs, and whether those were done at a dealership or certified service center. At DARCARS INFINITI of Greenwic h, our team is happy to walk you through a vehicle’s CARFAX® Vehicle History Report, which outlines past service records, ownership history, and any reported accidents. more 2. Is It Still Under Manufacturer Warranty? Many newer used luxury vehicles still carry some remaining factory warranty coverage, especially those that are only a few years old. INFINITI also offers a Certified Pre-Owned (CPO) program, which includes limited warranty coverage, roadside assistance, and a thorough inspection. Ask what type of warranty is available with the vehicle you’re considering—it could add significant value and peace of mind to your purchase. 3. Has It Passed a Multi-Point Inspection? Luxury vehicles are loaded with advanced features, and it’s crucial to know that everything—from the infotainment system to the suspension—has been professionally inspected. Our INFINITI-trained technicians perform rigorous inspections to ensure our pre-owned models meet high quality standards before they ever reach the lot. If a dealership doesn’t provide that information upfront, it’s a red flag. 4. Are Financing and Trade-In Options Available? Whether you're buying new or used, the financing process should be transparent and convenient. At DARCARS INFINITI of Greenwich, we work with a network of lenders to help you find a competitive financing rate, even for pre-owned vehicles. We also accept trade-ins, which can help reduce your overall cost. Be sure to ask for an estimated trade-in value if you’re planning to trade your current vehicle. 5. What Makes This Model Stand Out in Its Class? When you’re investing in a used luxury vehicle, you want something that retains its value and continues to offer modern features. Whether you’re eyeing a used INFINITI QX60 for its spacious luxury or a Q50 for its sporty handling, ask what specific advantages the model offers in its class. Our team can help you compare trims, features, and ownership costs so you can make an informed decision. Find Your Next Used Luxury Vehicle in Greenwich At DARCARS INFINITI of Greenwich, every vehicle on our lot—new or used—is hand-selected to meet our strict standards. We’re here to help you navigate the used car buying process with confidence. Visit us in-store or explore our online inventory to get started today!

Jul 04, 2025 in DARCARS INFINITI of Greenwich

Why Buy an INFINITI? Premium Features That Set the Brand Apart

When you're shopping for a luxury vehicle, you want more than just a recognizable badge—you want performance, comfort, reliability, and technology that enrich every drive. That’s where INFINITI truly shines. At DARCARS INFINITI of Greenwich, we proudly offer the full lineup of INFINITI vehicles, helping drivers across Connecticut and New York discover why this luxury brand continues to set itself apart. Let’s take a closer look at what makes INFINITI a smart choice for anyone looking to elevate their daily drive. Refined Interiors Built for Everyday Luxury INFINITI models are known for their elegant cabin designs that blend comfort with craftsmanship. From leather-appointed seating and wood trim to ambient lighting and heated steering wheels, every inch of an INFINITI interior is designed with you in mind. Whether you're commuting to work or taking a weekend getaway, the ride feels premium every step of the way. Vehicles like the INFINITI QX60 and Q50 offer flexible seating options, rear passenger amenities, and driver-focused layouts that make your time behind the wheel something to look forward to. more Advanced Safety Features for Peace of Mind INFINITI believes safety should never be optional. That's why many models come equipped with INFINITI Safety Shield® technologies, a suite of advanced driver-assist features. Systems like Forward Emergency Braking with Pedestrian Detection, Blind Spot Intervention®, and Lane Departure Prevention help monitor your surroundings and respond to potential hazards in real time. Whether you're navigating the busy streets of Greenwich or heading up the highway, INFINITI's safety innovations have your back. Performance That Responds to Every Drive From turbocharged engines to intelligent all-wheel drive, INFINITI vehicles deliver a responsive and confident driving experience. Models like the INFINITI QX50 are equipped with the world’s first production Variable Compression Turbo (VC-Turbo) engine, giving you an ideal balance of power and efficiency. Whether you're looking for a smooth ride or sporty acceleration, there's an INFINITI model designed to match your driving style. A Brand That Puts the Driver First INFINITI is a brand built around people. The goal isn’t just to create beautiful vehicles—it’s to create intuitive, connected, and enjoyable driving experiences. Features like wireless Apple CarPlay®, seamless voice controls, and head-up displays keep you connected while reducing distractions. Meanwhile, the brand's commitment to quality and reliability means you can feel confident in your purchase, whether it’s brand new or certified pre-owned. Experience the INFINITI Difference in Greenwich At DARCARS INFINITI of Greenwich, we’re proud to offer a curated selection of new and used INFINITI vehicles. From the first test drive to ongoing service support, our team is here to deliver a luxury experience every step of the way. Visit our showroom today or browse our inventory online to find the INFINITI that fits your life.