Best Spark Plugs For Audi A6

Spark plugs ignite the fuel mixture in the engine, which is what powers your vehicle. It receives a spark from the electronic ignition in today’s cars or the distributor cap and rotor in older vehicles, sitting atop your engine’s cylinder head.

Eventually, at around 30,000 miles, conventional spark plugs will wear out and cause stalling, starting difficulties, and engine malfunctions. Higher-cost platinum-tipped spark plugs may not need to be replaced as often. Simultaneously, it’s a good idea to replace your oxygen sensor, spark plug wires, PCV valve, and fuel filter.

 

1994 1995 1996 1997 Audi A6 Spark Plugs

Info/Engine 2.8L 6-cyl Engine AAH 2.8L 6-cyl Engine A AFC
OEM spark plug gap 0.040″ (1.01mm) 0.040″ (1.01mm)
Qty. needed 6 6
Change interval 30,000 miles 30,000 miles
Best spark plug NGK 2397 BKUR6ET-10 Multi-Ground Spark Plug NGK 2397 BKUR6ET-10 Multi-Ground Spark Plug
Popular choice NGK 6418 BKR6EIX Iridium IX Spark Plug E3 E3.56 Spark Plug

 

Info/Engine 2.8L 6-cyl Engine AFC
OEM spark plug gap 0.040″ (1.01mm)
Qty. needed 6
Change interval 30,000 miles
Best spark plug NGK 2397 BKUR6ET-10 Multi-Ground Spark Plug
Popular choice E3 E3.56 Spark Plug

 

1997 1998 1999 2000 2001 2002 2003 2004 Audi A6 Spark Plugs

Info/Engine 2.8L 6-cyl Engine [A][D] AHA 4.2L 8-cyl Engine AWN
OEM spark plug gap 0.032″ (0.81mm) 0.032″ (0.81mm)
Qty. needed 6 8
Change interval 30,000 miles 40,000 miles
Best spark plug NGK 7969 BKR6EKUB Multi-Ground Spark Plug NGK 7969 BKR6EKUB Multi-Ground Spark Plug
Popular choice NGK 7092 BKR6EGP G-Power Platinum Spark Plug NGK 7969 BKR6EKUB Multi-Ground Spark Plug

 

Info/Engine 3.0L 6-cyl Engine AVK 2.7L 6-cyl Engine APB Turbo
OEM spark plug gap 0.044″ (1.11mm) 0.032″ (0.81mm)
Qty. needed 6 6
Change interval 40,000 miles 40,000 miles
Best spark plug NGK 5874 PFR6U-11G Laser Platinum Spark Plug NGK 6458 PFR6Q Laser Platinum Spark Plug
Popular choice NGK 5344 IFR6D10 Laser Iridium Spark Plug E3 E3.56 Spark Plug

 

2005 2006 2007 2008 2009 2010 2011 Audi A6 Spark Plugs

Info/Engine 3.2L 6-cyl Engine BKH DOHC 4.2L 8-cyl Engine BNK DOHC
OEM spark plug gap 0.036″ (0.91mm) 0.040″ (1.01mm)
Qty. needed 6 8
Change interval 35,000 miles 55,000 miles
Best spark plug NGK 5592 PFR7W-TG Laser Platinum Spark Plug NGK 5555 PFR6G-11 Laser Platinum Spark Plug
Popular choice NGK 5592 PFR7W-TG Laser Platinum Spark Plug NGK 6741 IFR6E-11 Laser Iridium Spark Plug

 

Info/Engine 3.2L 6-cyl Engine CALA 3.0L 6-cyl Engine CAJA
OEM spark plug gap 0.044″ (1.11mm) 0.032″ (0.81mm)
Qty. needed 6 6
Change interval 55,000 miles 55,000 miles
Best spark plug NGK 5757 PFR6X-11 Laser Platinum Spark Plug NGK 94460 PFR8S8EG Laser Platinum Spark Plug
Popular choice NGK 5344 IFR6D10 Laser Iridium Spark Plug Denso 5311 IK24 Iridium Power Spark Plug

 

Info/Engine 3.0L 6-cyl Engine CCAA 4.2L 8-cyl Engine BVJ DOHC
OEM spark plug gap 0.032″ (0.81mm) 0.036″ (0.91mm)
Qty. needed 6 8
Change interval 55,000 miles 55,000 miles
Best spark plug NGK 94460 PFR8S8EG Laser Platinum Spark Plug NGK 5547 PFR6W-TG Laser Platinum Spark Plug
Popular choice Bosch FR5KPP332S 0242245576 Platinum Spark Plug E3 E3.64 Spark Plug

 

2012 2013 2014 2015 2016 2017 2018 Audi A6 Spark Plugs

Info/Engine 2.0L 4-cyl Engine CAEB Turbo 3.0L 6-cyl Engine CTUA
OEM spark plug gap 0.032″ (0.81mm) 0.032″ (0.81mm)
Qty. needed 4 6
Change interval 35,000 miles 55,000 miles
Best spark plug NGK 1675 PFR7S8EG Laser Platinum Spark Plug NGK 94460 PFR8S8EG Laser Platinum Spark Plug
Popular choice Denso 5310 IK22 Iridium Power Spark Plug Champion 9805 KC8WYPB4 Iridium Spark Plug

 

Info/Engine 2.0L 4-cyl Engine CYNB Turbo 3.0L 6-cyl Engine CPNB Diesel Turbo
OEM spark plug gap 0.032″ (0.81mm) 0.032″ (0.81mm)
Qty. needed 4 6
Change interval 35,000 miles
Best spark plug NGK 94833 PLFER7A8EG Laser Platinum Spark Plug Autolite XP3924 XP Iridium Spark Plug
Popular choice Champion 9069 KEC6WYPB-1 Iridium Spark Plug Autolite AP3924 Platinum Spark Plug

 

Info/Engine 3.0L 6-cyl Engine CREC
OEM spark plug gap 0.032″ (0.81mm)
Qty. needed 6
Change interval 55,000 miles
Best spark plug NGK 94460 PFR8S8EG Laser Platinum Spark Plug
Popular choice Denso 5311 IK24 Iridium Power Spark Plug

 

2019 2020 2021 2022 Audi A6 Spark Plugs

Info/Engine 3.0L 6-cyl Engine DLZA Turbo – Electric 2.0L 4-cyl Engine DLHB Turbo
OEM spark plug gap
Qty. needed 6 4
Change interval
Best spark plug
Popular choice

Your Audi A6 wagon is a sharp and elegant vehicle that offers you a comfortable and sporty ride. If your engine surges-that is, the car draws in too much air and continuously stops and starts-problems with your spark plugs are most likely to blame. Replace your Audi A6 spark plug to avoid potentially dangerous situations on the highway, as well as an upgrade to a more durable replacement.

The A6’s spark plugs produce a good spark by arcing across a gap of high-voltage electricity. The large voltage travels down to the electrode and jumps the gap, then it is conducted into the engine block and grounded.

The Audi A6 is a good luxury midsize automobile. It has a nice balance of ride comfort and handling. A stable of diverse powertrain choices, ranging from serviceable base fare to two thrilling twin-turbocharged engines, awaits you inside. There’s plenty of room for five passengers in here, with high-end materials everywhere and several interesting modern features. The A6 Allroad wagon is also made by Audi.

With low ownership costs, increased towing capacity, and even heated rear seats (a first for the A6), the A6 has a lot going for it. It deserves a close look in a class of extremely competitive and appealing vehicles. However, because it has one of the higher prices in its class, you may decide that your money would be better spent elsewhere.

The BMW 5 Series and Mercedes-Benz E-Class are high-ranking competitors that outperform the A6 in certain areas, including being more fun to drive or having a larger trunk or an easier-to-use infotainment system.

Thomas Buck

Thomas is our expert in the field of motor oils and lubricants. He worked for more than 15 years at the dealer service station and has vast practical experience, so he gladly agreed to be the editor and co-author of our articles about motors and motor oils.

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