Buick vs Cadillac:Which is more popular?
In September 2026, Cadillac had more branded searches than Buick among car brands in the United States. Cadillac had about 1.2 million branded searches, while Buick had 758,000. Cadillac made up 1.8% of all car brand searches we track, and Buick accounted for 1.1%. When we asked ChatGPT and Google AI Overviews about car brands, Buick appeared in two of the five answers and Cadillac in one. Buick was mentioned before Cadillac in every answer that named either.
Who do people search for more?
Cadillac, about 62% more searches than Buick
Who does AI mention more?
Buick, mentioned in 2 of 5 answers, Cadillac in 1
Who does AI recommend more?
Buick, named ahead of Cadillac in 2 of 2 answers
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Top car brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Buick was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Cadillac was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Buick was listed before Cadillac in every answer that named either.
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.
Toyota4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Honda4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Hyundai3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Subaru3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Ford2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Kia2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Mazda2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Lexus2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Buick2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Cadillac1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about car brands
5 answers
Asked ChatGPT
“Which car should I buy?”
Asked ChatGPT
“What are the most reliable car brands?”
Asked ChatGPT
“What is the best family SUV to buy?”
Searched Google, AI Overview
“car brands”
Searched Google, AI Overview
“best suv”
Brands are shown in the order each answer named them. The survey took place in United States on October 26, 2026.
Is Buick or Cadillac more popular in search?
This chart shows how often people search Google for Buick and Cadillac by name. Each line represents a brand's share of searches for all 46 car brands we track, month by month, from searches in United States.
Share of searches by month for Cadillac, Buick. The figures are in the table below the chart.
View monthly share of searches table
| Month | Toyota | Tesla | Honda | Ford | Kia | Chevrolet | Hyundai | Nissan | Subaru | Mercedes-Benz | BMW | Jeep | Mazda | Porsche | Lexus | Cadillac | Buick |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 10.1% | 6.4% | 6.3% | 6.6% | 4.5% | 5.6% | 4.8% | 3.6% | 3.5% | 3.4% | 3.5% | 3.4% | 3.1% | 3% | 2.3% | 2% | 1.1% |
| Nov 2025 | 10.1% | 5.6% | 6.8% | 6.6% | 4.8% | 5.4% | 4.9% | 3.7% | 3.5% | 3.3% | 3.7% | 3.4% | 3.3% | 3% | 2.4% | 2.1% | 1.1% |
| Dec 2025 | 10.1% | 5.5% | 6.4% | 6.4% | 4.7% | 5.4% | 4.8% | 3.6% | 3.5% | 3.4% | 4% | 3.6% | 3.1% | 3% | 2.8% | 2% | 1.1% |
| Jan 2026 | 10.5% | 5.7% | 7.2% | 6.3% | 4.6% | 5.3% | 4.7% | 3.5% | 3.6% | 3.3% | 3.4% | 3.4% | 3.3% | 2.9% | 2.7% | 1.9% | 1.1% |
| Feb 2026 | 10.8% | 5.7% | 6.8% | 6.5% | 5% | 5.2% | 4.4% | 3.9% | 3.8% | 3.1% | 3.6% | 3.4% | 3.1% | 2.6% | 2.5% | 2.1% | 1.1% |
| Mar 2026 | 10.3% | 5.6% | 7.1% | 6.2% | 5.1% | 5.4% | 4.9% | 3.6% | 3.6% | 3.1% | 3.3% | 3.5% | 3.3% | 2.8% | 2.5% | 1.8% | 1.1% |
| Apr 2026 | 10.5% | 6.7% | 6.7% | 6.2% | 5.1% | 5.3% | 4.6% | 3.7% | 3.1% | 3.2% | 3.5% | 3.3% | 3% | 2.9% | 2.5% | 1.9% | 1.1% |
| May 2026 | 10.6% | 6.7% | 6.7% | 6.2% | 5% | 5.2% | 4.2% | 3.4% | 3.2% | 3.1% | 3.4% | 3.3% | 3.4% | 2.9% | 2.7% | 1.9% | 1.1% |
| Jun 2026 | 10.7% | 6.4% | 7.1% | 6.2% | 5% | 5.4% | 4.5% | 3.7% | 3.4% | 3.2% | 3.2% | 3.3% | 3.4% | 2.8% | 2.4% | 1.7% | 1.2% |
| Jul 2026 | 11.1% | 6.1% | 7.1% | 6.1% | 5.5% | 5.4% | 4.7% | 3.9% | 3.4% | 2.8% | 3.2% | 3% | 3.4% | 2.7% | 2.5% | 1.8% | 1.2% |
| Aug 2026 | 10.5% | 6.7% | 7% | 6.3% | 5.3% | 5.2% | 4.9% | 3.6% | 3.2% | 2.9% | 3% | 3.2% | 3.3% | 2.7% | 2.7% | 1.9% | 1.2% |
| Sep 2026 | 11.2% | 7% | 6.8% | 6.2% | 5.2% | 5.2% | 4.4% | 3.6% | 3.3% | 3.3% | 3.2% | 3.2% | 3.2% | 2.6% | 2.5% | 1.8% | 1.1% |
How has the Buick and Cadillac comparison changed over the last 12 months?
3 findings
- Cadillac was ahead of Buick in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Buick’s share of searches among car brands in the United States held steady at 1.1%, and its estimated monthly branded searches moved from 722K to 758K.
- Across the 12 months ending September 2026, Cadillac’s share of searches among car brands in the United States moved from 2% to 1.8%, and its estimated monthly branded searches moved from 1.4M to 1.2M.
How did search popularity change for United States car brands in September 2026?
1 change
In September 2026, Cadillac fell from 19th to 22nd among car brands in the United States.
How are branded searches counted?
8 search terms
Brandwave collects information about searches that people make online using Buick’s and Cadillac’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.
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