2018 Audi A3 Bulb Size
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Bulbs Chart
2018 Audi A3 Headlight Bulb High Beam and Low Beam(with HID headlights) (D5S)
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Best Choice
POWERFUL LIGHT FROM XENON HID BULBS OFFER MAXIMUM SAFETY: Xenon HID (High Intensity Discharge) headlight bulbs offer twice as much light* for safer driving in all conditions while consuming 50% less power. The intense white light produced by the Xenon HID lamps is comparable to daylight. Studies have demonstrated that...
Philips D5S Standard Authentic Xenon
Xenon HID Conversion Kit
2018 Audi A3 Glove Box Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
Halogen Lights
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For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Audi A3 Trunk or Cargo Area Light (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
Halogen Lights
-
For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Audi A3 Dome Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
Halogen Lights
-
For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Audi A3 Map Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
Halogen Lights
-
For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Audi A3 Interior Door Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
Halogen Lights
-
For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Audi A3 Headlights
2018 Audi A3 Tail Lights
Audi A3 Bulb Size By Years
Misconception: people often think all car bulbs are interchangeable and size labels are just jargon. It seems true because many bulbs look similar and packaging can be confusing. I used to swap bulbs by eye and learned the hard way that fit and base type matter.
What is true is that a bulb size chart for your 2018 Audi A3 gives the exact socket types and compatible replacements. Think of it as a quick reference that saves time, avoids poor fits, and prevents electrical problems. The list is focused on headlights, turn signals, and common exterior bulbs.
Implications are practical: check the owner’s manual and compare the bulb base before buying. Quick tests include verifying the bulb code stamped on the old bulb and confirming fitment physically. Quick recap: some links on the page are affiliate links, which may earn me a small commission at no extra cost to you.
2018 Audi A3 specs
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