The Audi A6 is a top-of-the-line luxury vehicle. It is made with premium materials and designed with a sleek, modern look. Audi has also taken great care to ensure that its vehicles are fuel-efficient and environmentally friendly. With all these features, it’s no surprise that they would demand high-quality spark plugs for their cars too.
Audi recommends replacing your spark plugs every 60,000 miles or 3 years (whichever comes first) which will keep you safe on the road by reducing carbon monoxide emissions as well as improving performance in many other aspects of your car’s engine life cycle. If you are unsure about what kind of plugs to get for your Audi A6, here are the best spark plugs for Audi A6.
Our Top Picks
- Best overall: Set of 8 OEM 9655 Iridium Spark Plugs
- Best For Maximum Performances: NGK V-Power Spark Plug BKR6E (8 Pack)
- Best For Long Usages: NGK PLFER7A8EG Laser Platinum Spark Plug
- Best For Quick Ignition: SET (4) Iridium Spark Plugs PFR7S8EG
- Best For Installation: 4 Piece Set of Bosch OEM Spark Plugs
Band-wise Spark Plugs for Audi A6 Cost Chart
| Serial | Manufacturer | Brand Name | Set of | Average Cost |
| 1 | AD Auto Parts | Iridium Spark Plugs | 8 | $44-$48 |
| 2 | NGK | NGK V-Power Spark Plug | 8 | $20-$24 |
| 3 | NGK | NGK PLFER7A8EG Spark Plug | 1 | $14-$18 |
| 4 | LTHJT | iridium Spark Plug | 4 | $27-$31 |
| 5 | Bosch | Bosch OEM Spark Plugs | 4 | $37-$41 |
What To Consider Before Choosing The Best Spark Plugs for Audi A6
If you’ve never purchased a spark plug on your own, this piece of information can help you. You must check the buying guide here. Before you pick any spark plug for your Audi A6, provide a review of these facts:
Performance
Before you pick any spark plug, give a quick check on the performance level. For that, you can go through some reviews and forums on that particular spark plug. A suitable spark plug should include taking less voltage to fire, better heat combustion, and lower efficiency while driving the Audi A6.
Fuel efficiency
A suitable spark plug claims to run smoothly with the increased amount of fuel efficiency. You can check on their spark plug quality and calmness over fuel efficiency.
Engine response
Your ultimate spark plug would include improved acceleration and good engine response. This leads your Audi A6 to serve smooth performance without any roughness.
Safety measures
The safety measures of a spark plug would depend on various factors. Ensure the spark plug you’re choosing claims to give you freedom from ignition system issues and limits misfiring chances.
Warranty
Always try to choose a spark plug that claims to give a good manufacturing warranty for ensuring good reliability.
Price range
Price range would be a crucial thing to choose here. Make sure the spark plug you’re choosing holds comparatively reasonable offers within the price range. Well, these are the core facts to check before choosing any suitable spark plug. This will help you to get the best according to your needs and preferences.
5 Best Spark Plugs For Audi A6
The 5 best spark plugs for Audi A6 can be found in most car parts stores or automotive dealerships. They come in a variety of sizes that match the engine’s cylinder configuration. The type of plug you need depends on your vehicle’s make and model.
1. Best overall: Set of 8 OEM 9655 Iridium Spark Plugs
For the Audi a6, 9655 Iridium Spark Plugs are used. These plugs are designed to last longer and work better in extreme conditions. The set of 8 OEM spark plugs includes 4 long-reach plug wires for easy installation. This product is great for mechanics who want to replace their old plugs with new ones that will provide optimum performance in all weather conditions.
Key features
- Corrosion and abrasion resistance
- Laser-welded ground electrode
- Iridium-alloy center electrode firing pin
- Tapered ground electrode
- OE specification
Product Specification
| Brand | AD Auto Parts |
| Dimensions | 9.5 x 9.5 x 0.5 inches |
| weight | 8 ounces |
| Material Type | Iridium |
| Manufacturer Part Number | 508F 508N 6718042 9655 |
High-quality performance
Engineered for high-quality performance and longer service life, this spark plug will give you the ultimate in ignitability. You’ll get maximum fuel efficiency while reducing emissions with our laser-welded Platinum center electrode tip.
Direct replacement
This spark plug is designed with an easy installation and can cut off all your hassles. It also exceeds the original specification, so you need to measure wisely before ordering this product for the best results.
| Pros | Cons |
| -Longer service life -OE specification vibration-free corrosion resistance -High-quality performance -Direct replacement -Durable with the service life -Reliable and comfortable | -The packaging of the product could get better. |
2. Best for maximum performance: NGK V-Power Spark Plug
NGK V-Power Spark Plugs are the best for maximum performance. They use a patented spiral center electrode design that improves spark strength and duration, which means it helps your engine run more efficiently. The plugs also have a copper core with nickel barrier coating to reduce power loss from heat generation and an iridium tip to resist wear better than platinum or palladium alloys. NGK is the world’s leading manufacturer of spark plugs, so you know you’re getting a quality product when you choose them.
Key features
- corrosion and abrasion resistance
- Nickel alloy Tip material
- The copper core electrode material
- OE specification
- Trivalent metal plating
Product Specification
| Brand | NGK |
| Heat range | 6 |
| spark Plug Reach | 0.750 in |
| Spark Plug Seat | Gasket style |
| Wrench Diameter | 5/8 in |
High-quality performance
The spark plug offers a number of improvements to your driving experience. It’s certainly not just for performance cars, but it could help you reach those high speeds with greater ease and get an improved gas mileage too.
Reliable and durable
The spark plug of this NGK has been designed to be more durable than ever before. In addition, thanks in part to the high-quality material and chemical wear that will ensure you can rely on these plugs for complete engine performance no matter what happens.
| Pros | Cons |
| -Longer service life -OE specification vibration-free corrosion resistance -High-quality performance -Impressive anti-corrosion and anti-seizing properties -Durable with the service life -Reliable and comfortable | -The packaging of the plug could be improved |
3. Best for long usages: NGK PLFER7A8EG Laser Platinum
The NGK Laser Platinum spark plugs are the best for long usage. They have a platinum center electrode, which has an extended service life and is less prone to fouling than other types of electrodes. These laser-etched plugs are the most resistant to the effects of heat that cause performance issues in regular copper or aluminum-tipped plugs. The Laser Platinum model also provides more power by burning fuel more completely with its tapered ground electrode design. These spark plugs can be used in both gasoline and diesel engines, so they’re perfect for cars like Audi A6.
Key features
- corrosion and abrasion resistance
- Platinum material
- OE specification
- Nickel alloy center electrode
- high voltage terminal
Product Specification
| Brand | NGK |
| Dimensions | 9.35 x 5.51 x 3.07 inches |
| weight | 2.08 ounces |
| Material Type | Platinum |
| Manufacturer Part Number | PLFER7A8EG |
High-quality performance
This high-quality NGK is perfect for those looking to maximize their vehicle’s performance. The Laser Platinum material offers a great look, superior ignitability, and fuel efficiency as well as lower emissions with quicker response time thanks in part because of the heat resistance it has been designed around.
Reliable and durable
The spark plug will offer you trivalent metal plating, which maximizes reliability and service life. So with this one-of-a-kind product, there is no need to worry about either durability or power as it has been designed for optimal performance in all applications.
| Pros | Cons |
| -anti-corrosion and anti-seizing properties -Longer service life -OE specification vibration-free corrosion resistance -High-quality performance -Durable with the service life -Reliable and comfortable | -Don’t offer any packages |
4. Best for quick ignition: SET (4) Iridium Spark Plugs
It’s no secret that Audi A6s need the best spark plugs to run smoothly. The set of 4 iridium spark plugs we recommend can provide quicker ignition and more efficient combustion, which will improve your fuel efficiency and reduce emissions. We have all the tools you’ll need to install them yourself or bring in your car for service.
Key features
- corrosion and abrasion resistance
- Platinum material
- OE specification
- Nickel alloy center electrode
- high voltage terminal
Product Specification
| Brand | LTHT |
| Manufacturer | LTHT |
| weight | 5.6 ounces |
| Material Type | Platinum |
| Manufacturer Part Number | 06H905601A PFR7S8EG |
High-quality performance
Whether you want to improve fuel efficiency or just make your riding experience smoother and quicker, this spark plug will do the trick. It is made with quality materials that are sure not only to last longer but also give off an improved tone of voice when hearing them come out from under their hoods.
Easy to install
The spark plug holds supreme quality OE specifications that can make replacing the component easy. You will get 100% original equipment for a replacement application process, so users don’t need any extra work.
| Pros | Cons |
| -Longer service life -Easy installation -OE specification vibration-free corrosion resistance -High-quality performance -Durable with the service life -Reliable and comfortable | -Fitment can create confusion |
5. Best for installation: 4 Piece Set of Bosch OEM
Bosch spark plugs and Audi a6 parts are the best for installation. Bosch is known as one of the top manufacturers in quality, durability, and performance. Bosch’s products are designed to last longer than other brands on the market because they are manufactured with higher-quality materials. They also have some of the longest warranties on their products which means that you will not be replacing them anytime soon.
Key features
- corrosion and abrasion resistance
- Platinum material
- OE specification
- Nickel alloy center electrode
Product Specification
| Brand | Bosch |
| Condition | 100% new |
| Fitment | Direct replacement |
| Material Type | Iridium |
| Manufacturer Part Number | 0242240627, FR6KPP332S |
High-quality performance
The performance of the 4 piece set of Bosch OEM spark plugs offers Consistent combustion and quick response. This product claims to maintain amazing OE specifications, so you’ll find maximum comfort with every ride. Consequently, there’s no need for tuning or worrying about low gas mileage because these Spark Plugs will provide consistent power on all terrains.
Perfect fittings
This four-piece set of Bosch spark plugs has got the fastest and easiest installation features. With their direct replacement, even your first-time can easily do it themselves.
| Pros | Cons |
| -Longer service life -High-quality performance -1-year service warranty -Durable with the service life -Reliable and comfortable | -The price range seems higher |
How Do You Change Spark Plugs on the Audi A6?
Are you a beginner or don’t know how to change the spark plug on the Audi A6? No worries, here you’ll learn some easy and simple directions to change. Firstly, you need to get some tools and materials here apart from the spark plug you’re choosing.
Tools and materials that were needed
- Torx T30
- Ratchet
- Extensions
- Spark Plug Socket
- Gloves
Note: Before you start, make sure that the car engine is not too hot. You can give it time under some shade to cool the engine down. Experts suggest letting the car sleep overnight to make it completely cooled down.
1st Step: Remove the engine cover: You need to remove the cold pack assembly here. For that, you need to use the t30 Torx to open up the middle screw.
2nd Step: Loosen the assembly: Then, you would want to reduce the assembly from the coils. Just pushing the button downward and pulling the assembly’s lower back will get the task done. It would be much better if you did this same thing repeatedly with all of the spark plugs here.
3rd Step: Unplug the small cables: The next stage would be unplugging the small cables behind the assembly. You’ll find small tabs here to unlock and unplug. Here you don’t need to remove the assembly entirely. Just keeping them aside would help you anyway.
4th Step: Remove the spark plug: Here, you need to grab your ⅝ spark plug socket and connect it to a few extensions to the ratchet. In this stage, you need to be conscious that you’re keeping the spark plug completely straight. Because the stripping and threading on the engine can be the last thing you would want here. You need to loosen the plug completely and pull the upper side. In this same way, you can remove all of the existing spark plugs on the Audi A6.
5th Step: Install the new spark plugs: It’s the more superficial part of the process here. Grab the new spark plug and stick it into the socket. Then, you need to drop it into the cylinder and slowly start it tightening with your hands. You don’t need to go searching for any extra tools or force here. Just be gentle and lock it up into place. When you reach a level where you can’t spin it anymore, connect your ratchet and give it a quarter-turn twist. Do the same with other spark plugs, and they’ll be installed easily on your Audi A6.
Final Step: Assemble the coals and engine cover: With this Step, you will need to do the first step, as mentioned backwardly. It would be best if you assembled the coils, engine covers, and everything as it was at the beginning. By completing the last step, you would make your car prepared to rock the driving experience as a new one.
Well, these are the easy and simple steps to change the spark plug of the Audi A6. For better clarification, you can watch some practical videos online.
FAQ Of Best Spark Plugs For Audi A6
Does the Audi A6 have spark plugs?
The Audi A6 does indeed have spark plugs. Audi recommends changing your spark plugs and ignition coils every 60,000 miles or so as they aren’t anything fancy that changes much in the way of a car’s performance. They’re also very easy to change out by anybody with basic auto needs skills.
How much does it cost to replace Audi A6 spark plugs?
Audi A6 owners should expect to spend $100-$120 for the labor and parts. This does not include any additional repair services related to the repair or replacements needed after installation.
Can you drive an Audi A6 with faulty spark plugs?
Continuing to drive with worn-out or damaged spark plugs can ultimately cause engine performance problems, such as reduced acceleration and increased fuel consumption. Replacing your Audi A6’s spark plugs at the proper maintenance intervals will help avoid any future issues that may stem from them and allow for a smoother driving experience.
Does changing spark plugs improve Audi A6 gas mileage?
Yes, in an Audi A6 or any vehicle with a spark plug, the spark plugs improve fuel or gas efficiency by 39 percent on average.
Conclusion
Well, these are the five Best spark plugs for Audi A6. If you’re planning to purchase any good quality reliable spark plug, this list would be your savior. Each of these products is highly recommended by experts and holds a good brand background. So, you’re getting high-quality service if any uncertain thing happens with your spark plug.
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