Car rental software:Which are most popular?
In September 2026, TSD was the most searched car rental software worldwide, accounting for 33.9% of all searches among the seven software we track. When we checked with ChatGPT and Google AI Overviews, HQ Rental Software showed up in every answer. HQ Rental Software was recommended most often, coming first in four out of five responses.
TSDShare of searches 33.9%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
NomoraShare of searches 18.2%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
Rent CentricShare of searches 18.2%Mentioned in 1 of 5 AI answersPlace in AI recommendations 6th
RentsystShare of searches 11.9%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
HQ Rental SoftwareShare of searches 10%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
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Top car rental software in ChatGPT and Google AI Overviews
In Brandwave's three ChatGPT questions and two Google AI Overviews, HQ Rental Software appeared every time. HQ Rental Software was recommended most often, coming first in four out of five answers. Rentsyst was second, and RentALL was third. TSD, which ranked first in searches, was not mentioned at all.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
HQ Rental Software1st
Rentsyst2nd
RentALL3rd
Nomora4th
Coastr5th
Rent Centric6th
TSD–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
HQ Rental Software5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Rentsyst4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Nomora3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
RentALL3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Coastr2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Rent Centric1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
TSD0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about car rental software
5 answers
Asked ChatGPT
“Which car rental software should I use?”
Asked ChatGPT
“What are the best car rental software options?”
Asked ChatGPT
“What's the best car rental software for a small rental fleet?”
Searched Google, AI Overview
“car rental software”
Searched Google, AI Overview
“car rental management software”
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 22, 2026.
Which car rental software do people search for most?
This chart shows how often people search Google for each car rental software by name. Each line represents a brand's share of searches for all seven car rental software we track, month by month, from English-language searches worldwide.
Share of searches by month for TSD, Nomora, Rent Centric, Rentsyst, HQ Rental Software, Coastr. The figures are in the table below the chart.
View monthly share of searches table
| Month | TSD | Nomora | Rent Centric | Rentsyst | HQ Rental Software | Coastr | RentALL |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 40.8% | 6.7% | 18.1% | 14.4% | 9.8% | 7.6% | 2.6% |
| Nov 2025 | 36.1% | 19.4% | 16.1% | 10.7% | 8.7% | 6.7% | 2.3% |
| Dec 2025 | 44.1% | 8.7% | 19.4% | 10.7% | 8.7% | 5.9% | 2.5% |
| Jan 2026 | 38.9% | 7.2% | 20.9% | 11.5% | 11.5% | 7.2% | 2.7% |
| Feb 2026 | 41.1% | 7.6% | 18.3% | 9.9% | 12.2% | 7.6% | 3.3% |
| Mar 2026 | 38.8% | 7.2% | 20.8% | 11.5% | 11.5% | 7.2% | 3.1% |
| Apr 2026 | 39.2% | 7.3% | 21% | 11.6% | 11.6% | 6.4% | 2.9% |
| May 2026 | 39.9% | 7.4% | 21.4% | 9.6% | 11.8% | 7.4% | 2.4% |
| Jun 2026 | 38.4% | 20.9% | 16.9% | 7.6% | 9.3% | 5.1% | 1.8% |
| Jul 2026 | 34.5% | 15.3% | 18.5% | 12.1% | 12.1% | 5.6% | 1.7% |
| Aug 2026 | 34.3% | 15.3% | 22.9% | 10.2% | 10.2% | 5.6% | 1.6% |
| Sep 2026 | 33.9% | 18.2% | 18.2% | 11.9% | 10% | 6.3% | 1.6% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 33.9% | 5.4K | 0% | -0.5 points | |
| 2, moved from 3rd to 2nd | 18.2% | 2.9K | +20.8% | +2.9 pointsmoved from 3rd to 2nd | |
| 3, moved from 2nd to 3rd | 18.2% | 2.9K | -19.4% | -4.7 pointsmoved from 2nd to 3rd | |
| 4, moved from 5th to 4th | 11.9% | 1.9K | +18.8% | +1.7 pointsmoved from 5th to 4th | |
| 5, moved from 4th to 5th | 10% | 1.6K | 0% | -0.1 pointsmoved from 4th to 5th | |
| 6, held 6th | 6.3% | 1K | +13.6% | +0.7 points | |
| 7, held 7th | 1.6% | 250 | 0% | 0 points |
1.
TSD33.9%
Held 1st. 5.4K estimated branded searches, 0% vs prior month. Share -0.5 points.
2.
Nomora18.2%
Moved from 3rd to 2nd. 2.9K estimated branded searches, +20.8% vs prior month. Share +2.9 points.
18.2%
Moved from 2nd to 3rd. 2.9K estimated branded searches, -19.4% vs prior month. Share -4.7 points.
4.
Rentsyst11.9%
Moved from 5th to 4th. 1.9K estimated branded searches, +18.8% vs prior month. Share +1.7 points.
10%
Moved from 4th to 5th. 1.6K estimated branded searches, 0% vs prior month. Share -0.1 points.
6.
Coastr6.3%
Held 6th. 1K estimated branded searches, +13.6% vs prior month. Share +0.7 points.
7.
RentALL1.6%
Held 7th. 250 estimated branded searches, 0% vs prior month. Share 0 points.
Which brand is most popular in search among car rental software worldwide?
7 brands
In September 2026, TSD was the most searched among car rental software worldwide, with an estimated 5.4K branded searches, 33.9% of all searches for the seven we track. Nomora is in 2nd place, 15.7 percentage points behind at 18.2%.
| Brand | Share of searches | Peak | Low | Rank |
|---|---|---|---|---|
| 40.8% → 33.9% | 44.1%Dec 2025 | 33.9%Sep 2026 | 1st | |
| 6.7% → 18.2% | 20.9%Jun 2026 | 6.7%Oct 2025 | 6th → 2nd | |
| 18.1% → 18.2% | 22.9%Aug 2026 | 16.1%Nov 2025 | 2nd → 3rd | |
| 14.4% → 11.9% | 14.4%Oct 2025 | 7.6%Jun 2026 | 3rd → 4th | |
| 9.8% → 10% | 12.2%Feb 2026 | 8.7%Nov 2025 | 4th → 5th | |
| 7.6% → 6.3% | 7.6%Feb 2026 | 5.1%Jun 2026 | 5th → 6th | |
| 2.6% → 1.6% | 3.3%Feb 2026 | 1.6%Sep 2026 | 7th |
Each finding as a sentence
- Across the 12 months ending September 2026, TSD’s share of searches among car rental software worldwide decreased from 40.8% to 33.9%.
- Across the 12 months ending September 2026, Nomora’s share of searches among car rental software worldwide increased from 6.7% to 18.2%.
- Across the 12 months ending September 2026, Rentsyst’s share of searches among car rental software worldwide decreased from 14.4% to 11.9%.
- Across the 12 months ending September 2026, Coastr’s share of searches among car rental software worldwide decreased from 7.6% to 6.3%.
- Across the 12 months ending September 2026, RentALL’s share of searches among car rental software worldwide decreased from 2.6% to 1.6%.
- Across the 12 months ending September 2026, TSD’s share of searches among car rental software worldwide peaked at 44.1% in December 2025 and was lowest at 33.9% in September 2026.
- Across the 12 months ending September 2026, Nomora’s share of searches among car rental software worldwide peaked at 20.9% in June 2026 and was lowest at 6.7% in October 2025.
- Across the 12 months ending September 2026, Rent Centric’s share of searches among car rental software worldwide peaked at 22.9% in August 2026 and was lowest at 16.1% in November 2025.
- Across the 12 months ending September 2026, Rentsyst’s share of searches among car rental software worldwide peaked at 14.4% in October 2025 and was lowest at 7.6% in June 2026.
- Across the 12 months ending September 2026, HQ Rental Software’s share of searches among car rental software worldwide peaked at 12.2% in February 2026 and was lowest at 8.7% in November 2025.
- Across the 12 months ending September 2026, Coastr’s share of searches among car rental software worldwide peaked at 7.6% in February 2026 and was lowest at 5.1% in June 2026.
- Across the 12 months ending September 2026, RentALL’s share of searches among car rental software worldwide peaked at 3.3% in February 2026 and was lowest at 1.6% in September 2026.
- Across the 12 months ending September 2026, Nomora rose from 6th to 2nd among car rental software worldwide.
- Across the 12 months ending September 2026, Rent Centric fell from 2nd to 3rd among car rental software worldwide.
- Across the 12 months ending September 2026, Rentsyst fell from 3rd to 4th among car rental software worldwide.
- Across the 12 months ending September 2026, HQ Rental Software fell from 4th to 5th among car rental software worldwide.
- Across the 12 months ending September 2026, Coastr fell from 5th to 6th among car rental software worldwide.
How did search popularity change for car rental software worldwide in September 2026?
7 changes

In September 2026, Rentsyst overtook HQ Rental Software to rank 4th among car rental software worldwide, with 11.9% of the searches.

In September 2026, Nomora overtook Rent Centric to rank 2nd among car rental software worldwide, with 18.2% of the searches.

In September 2026, Coastr gained share of searches among car rental software worldwide, from 5.6% to 6.3%.

In September 2026, Rent Centric lost share of searches among car rental software worldwide, from 22.9% to 18.2%.

TSD’s share of searches among car rental software worldwide has lost ground for 3 months in a row, from 38.4% to 33.9% in September 2026.

Estimated monthly branded searches for HQ Rental Software worldwide rose 23.1% over 12 measured months, from 1.3K to 1.6K in September 2026.

Estimated monthly branded searches for RentALL worldwide fell 28.6% over 12 measured months, from 350 to 250 in September 2026.
Compare popularity between leading brands

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TSD vs HQ Rental Software: compare popularity
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Nomora vs HQ Rental Software: compare popularity
Rent Centric vs Rentsyst: compare popularity
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