Cummins vs Generac:Which is more popular?
In September 2026, Cummins had more branded searches than Generac among generator brands worldwide. Cummins had about 246,000 branded searches, while Generac had 135,000. Cummins made up 33.6% of all generator brand searches we track, and Generac accounted for 18.4%. When we asked ChatGPT and Google AI Overviews about generator brands, Generac appeared in all four answers and Cummins in two. Generac was mentioned before Cummins in every answer.
Who do people search for more?
Cummins, about 82% more searches than Generac
Who does AI mention more?
Generac, mentioned in every answer we collected
Who does AI recommend more?
Generac, named ahead of Cummins in every answer
Follow Cummins vs Generac and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top generator brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, Generac appeared in all four answers. Cummins was mentioned in two out of four: in one of the three ChatGPT answers and in the Google AI Overview. Generac was listed before Cummins in every answer.
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.
Generac4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Honda Power Equipment4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Westinghouse3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Champion Power Equipment3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Kohler3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Cummins2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Briggs & Stratton2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
See every answer about generator brands
4 answers
Asked ChatGPT
“Which generator brand should I buy?”
Asked ChatGPT
“What are the best generator brands?”
Asked ChatGPT
“What's the best generator brand for backup power?”
Searched Google, AI Overview
“home backup generator”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“generator brands”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Cummins or Generac more popular in search?
This chart shows how often people search Google for Cummins and Generac by name. Each line represents a brand's share of searches for all seven generator brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Cummins, Generac. The figures are in the table below the chart.
View monthly share of searches table
| Month | Cummins | Generac | Honda Power Equipment | Westinghouse | Briggs & Stratton | Champion Power Equipment | Kohler |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 33.5% | 18.4% | 15% | 18.4% | 5.9% | 5.2% | 3.7% |
| Nov 2025 | 35.3% | 15.8% | 15.8% | 19.4% | 5.1% | 5.5% | 3.2% |
| Dec 2025 | 38.7% | 17.3% | 14.3% | 17.3% | 3.9% | 5% | 3.5% |
| Jan 2026 | 22.7% | 34% | 18.6% | 10.2% | 3.3% | 7.6% | 3.7% |
| Feb 2026 | 36.6% | 20.1% | 13.5% | 16.4% | 4.5% | 4.8% | 4% |
| Mar 2026 | 34.1% | 18.7% | 15.2% | 15.2% | 7.7% | 5.3% | 3.8% |
| Apr 2026 | 36.7% | 13.5% | 13.5% | 16.4% | 12.4% | 4.1% | 3.3% |
| May 2026 | 35.4% | 13% | 15.8% | 15.8% | 13.3% | 4% | 2.6% |
| Jun 2026 | 34.2% | 18.8% | 15.3% | 15.3% | 8.9% | 4.5% | 3.1% |
| Jul 2026 | 32.8% | 22% | 14.7% | 14.7% | 7% | 5.1% | 3.6% |
| Aug 2026 | 31.9% | 21.4% | 17.5% | 14.2% | 5.6% | 5.9% | 3.5% |
| Sep 2026 | 33.6% | 18.4% | 18.4% | 15% | 5.6% | 5.3% | 3.7% |
How has the Cummins and Generac comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: Generac took it in January 2026, Cummins took it in February 2026.
- Across the 12 months ending September 2026, Cummins’ share of searches among generator brands worldwide moved from 33.5% to 33.6%, and its estimated monthly branded searches held steady at 246K.
- Across the 12 months ending September 2026, Generac’s share of searches among generator brands worldwide held steady at 18.4%, and its estimated monthly branded searches held steady at 135K.
How did search popularity change for generator brands worldwide in September 2026?
2 changes

In September 2026, Cummins gained share of searches among generator brands worldwide, from 31.9% to 33.6%.

In September 2026, Generac lost share of searches among generator brands worldwide, from 21.4% to 18.4%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Cummins’ and Generac’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.
Other head-to-heads among generator brands

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.