Carfax vs The Green Spark Plug Company
Codes, shipping, perks and real traffic data, side by side.
SAVINGS
Active codes
110
Best offer now
20% Off Select Items at Carfax35% Off Storewide at The Green Spark Plug Company
Avg. discount (90 days)
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Shopper rating
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TRAFFIC & POPULARITY · SIMILARWEB
Monthly visits
55.2M14K
Trend vs last month
▼ 0.2%▼ 16.3%
Global rank
#690#1,731,935
Category rank
#6#24081
SHOPPER ENGAGEMENT · SIMILARWEB
Avg. visit duration
04:3900:41
Pages per visit
4.52.2
Bounce rate
43%48.4%
Mobile share
70.7%70.3%
Visits from search
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Our take: Carfax has the deepest average discount right now. Carfax is the most visited store in this group. Stack a code with a subscription discount wherever it's offered.
Traffic data from Similarweb. Codes checked today.
Carfax vs The Green Spark Plug Company
Codes, shipping perks and real traffic data side by side, so you can pick the store that saves you the most.
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Our take: Carfax has the deepest average discount right now. Carfax is the most visited store in this group. Stack a code with a subscription discount wherever it's offered.
Traffic and audience data from Similarweb, April 2026. Codes and perks checked today.