Bilt Hamber vs Koch-Chemie:Which is more popular?
In September 2026, Koch-Chemie had more branded searches than Bilt Hamber among car shampoo brands worldwide. Koch-Chemie had about 90,500 branded searches, while Bilt Hamber had 9,900. Koch-Chemie made up 20.8% of all car shampoo brand searches we track, and Bilt Hamber accounted for 2.3%. When we asked ChatGPT and Google AI Overviews about car shampoo brands, Koch-Chemie appeared in two of the five answers and Bilt Hamber in none.
Who do people search for more?
Koch-Chemie, about 9 searches for every 1 for Bilt Hamber
Who does AI mention more?
Koch-Chemie, mentioned in 2 of 5 answers, Bilt Hamber in 0
Who does AI recommend more?
Koch-Chemie, the only one of the two named
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Top car shampoo brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Koch-Chemie was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Bilt Hamber did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Meguiar's5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Chemical Guys4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
CarPro3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Adam's Polishes3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Koch-Chemie2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Turtle Wax1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Autoglym0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bilt Hamber0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Sonax0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about car shampoo brands
5 answers
Asked ChatGPT
“Which car shampoo brand should I buy?”
Asked ChatGPT
“What are the best car shampoo brands?”
Asked ChatGPT
“What's the best car shampoo brand for everyday wash?”
Searched Google, AI Overview
“car shampoo brands”
Searched Google, AI Overview
“best car shampoo”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Bilt Hamber or Koch-Chemie more popular in search?
This chart shows how often people search Google for Bilt Hamber and Koch-Chemie by name. Each line represents a brand's share of searches for all nine car shampoo brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Koch-Chemie, Bilt Hamber. The figures are in the table below the chart.
View monthly share of searches table
| Month | Chemical Guys | Koch-Chemie | Meguiar's | Turtle Wax | Autoglym | CarPro | Adam's Polishes | Bilt Hamber | Sonax |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 23.9% | 19.5% | 23.7% | 13% | 8.7% | 5.8% | 3.2% | 2.1% | 0.08% |
| Nov 2025 | 24.3% | 24.1% | 19.8% | 10.8% | 8.9% | 5.9% | 4% | 2.2% | 0.06% |
| Dec 2025 | 25.7% | 17.1% | 20.9% | 11.4% | 14% | 6.3% | 2.8% | 1.9% | 0.04% |
| Jan 2026 | 23.2% | 18.7% | 22.9% | 12.5% | 10.2% | 6.9% | 3.1% | 2.5% | 0.05% |
| Feb 2026 | 25.7% | 20.9% | 20.9% | 11.4% | 9.3% | 6.2% | 2.8% | 2.8% | 0.04% |
| Mar 2026 | 23.5% | 23.2% | 18.9% | 12.7% | 10.4% | 5.7% | 3.1% | 2.5% | 0.03% |
| Apr 2026 | 26.2% | 21.2% | 21.2% | 11.6% | 9.5% | 5.2% | 2.8% | 2.3% | 0.04% |
| May 2026 | 27.7% | 22.4% | 18.3% | 12.3% | 8.2% | 5.5% | 3% | 2.5% | 0.04% |
| Jun 2026 | 25.6% | 20.6% | 20.6% | 13.9% | 7.6% | 6.2% | 2.8% | 2.8% | 0.07% |
| Jul 2026 | 21.9% | 21.6% | 21.6% | 14.5% | 8% | 6.5% | 2.9% | 2.9% | 0.06% |
| Aug 2026 | 22.3% | 22% | 22% | 14.8% | 8.1% | 5.4% | 3% | 2.4% | 0.05% |
| Sep 2026 | 25.6% | 20.8% | 20.8% | 13.9% | 7.6% | 6.2% | 2.8% | 2.3% | 0.06% |
How has the Bilt Hamber and Koch-Chemie comparison changed over the last 12 months?
3 findings
- Koch-Chemie was ahead of Bilt Hamber in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Bilt Hamber’s share of searches among car shampoo brands worldwide moved from 2.1% to 2.3%, and its estimated monthly branded searches held steady at 9.9K.
- Across the 12 months ending September 2026, Koch-Chemie’s share of searches among car shampoo brands worldwide moved from 19.5% to 20.8%, and its estimated monthly branded searches held steady at 90.5K.
How did search popularity change for car shampoo brands worldwide in September 2026?
1 change

In September 2026, Koch-Chemie lost share of searches among car shampoo brands worldwide, from 22% to 20.8%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Bilt Hamber’s and Koch-Chemie’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Bilt Hamber
1 branded search term
- bilthamber
Koch-Chemie
1 branded search term
- koch chemie
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