Arnold Clark vs Sixt:Which is more popular?
In September 2026, Sixt had more branded searches than Arnold Clark among car hire companies in the United Kingdom. Sixt had about 60,500 branded searches, while Arnold Clark had 6,600. Sixt made up 14% of all car hire company searches we track, and Arnold Clark accounted for 1.5%. When we asked ChatGPT and Google AI Overviews about car hire companies, Arnold Clark appeared in all four answers and Sixt in two. Arnold Clark was mentioned before Sixt in every answer.
Who do people search for more?
Sixt, about 9 searches for every 1 for Arnold Clark
Who does AI mention more?
Arnold Clark, mentioned in every answer we collected
Who does AI recommend more?
Arnold Clark, named ahead of Sixt in every answer
Follow Arnold Clark vs Sixt 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 car hire companies in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, Arnold Clark appeared in all four answers. Sixt was mentioned in two out of four: in one of the three ChatGPT answers and in the Google AI Overview. Arnold Clark was listed before Sixt in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Arnold Clark1st
Enterprise Rent-A-Car2nd
Zest Car Rental3rd
Drivalia4th
Green Motion5th
Hertz6th
Avis7th- Sixt8th
Europcar9th
Budget10th- +1 more
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Arnold Clark4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Enterprise Rent-A-Car3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Zest Car Rental3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Europcar2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Sixt2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Avis2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
- Hertz2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Drivalia1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Green Motion1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
- Budget1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
See every answer about car hire companies
4 answers
Asked ChatGPT
“What's the best car hire company in the UK?”
Asked ChatGPT
“Which car hire company should I use at a UK airport?”
Asked ChatGPT
“Who has the cheapest car hire in the UK?”
Searched Google, AI Overview
“car hire”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 27, 2026.
Is Arnold Clark or Sixt more popular in search?
This chart shows how often people search Google for Arnold Clark and Sixt by name. Each line represents a brand's share of searches for all 11 car hire companies we track, month by month, from searches in United Kingdom.
Share of searches by month for Sixt, Arnold Clark. The figures are in the table below the chart.
View monthly share of searches table
| Month | Enterprise Rent-A-Car | Europcar | Sixt | Avis | Hertz | Zest Car Rental | Drivalia | Green Motion | Thrifty | Arnold Clark | Budget |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 39% | 20.7% | 11.3% | 11.3% | 5.1% | 3.4% | 2.8% | 1.9% | 2.3% | 1.5% | 0.66% |
| Nov 2025 | 42.6% | 18.5% | 12.4% | 10.1% | 4.6% | 2.5% | 3% | 2% | 2% | 1.4% | 0.9% |
| Dec 2025 | 41.9% | 18.2% | 14.9% | 9.9% | 3.9% | 2.4% | 2.4% | 2% | 2% | 1.6% | 0.88% |
| Jan 2026 | 35.6% | 18.9% | 15.4% | 12.6% | 5.2% | 3.8% | 2.5% | 1.7% | 2.1% | 1.4% | 0.92% |
| Feb 2026 | 36.4% | 20.7% | 13.8% | 11.3% | 4.8% | 4.1% | 2.8% | 1.5% | 2.3% | 1.5% | 0.82% |
| Mar 2026 | 33.1% | 17.6% | 14.4% | 17.6% | 5% | 3.5% | 2.9% | 1.6% | 1.9% | 1.6% | 0.86% |
| Apr 2026 | 32.8% | 19.7% | 16.1% | 13.2% | 5.3% | 3.9% | 2.6% | 1.8% | 2.2% | 1.8% | 0.63% |
| May 2026 | 32.8% | 21.9% | 14.8% | 12.1% | 5.3% | 4.4% | 2.4% | 2% | 2% | 1.6% | 0.72% |
| Jun 2026 | 31.7% | 21.2% | 17.4% | 11.7% | 5.6% | 4.3% | 2.3% | 1.9% | 1.9% | 1.3% | 0.69% |
| Jul 2026 | 33.5% | 20% | 16.5% | 11% | 6.1% | 4.9% | 2.2% | 1.8% | 1.8% | 1.5% | 0.66% |
| Aug 2026 | 35.9% | 19.7% | 16.2% | 10.8% | 6% | 4% | 2.2% | 1.8% | 1.8% | 1.2% | 0.64% |
| Sep 2026 | 38.2% | 17.2% | 14% | 11.5% | 6.5% | 4.2% | 2.3% | 1.9% | 1.9% | 1.5% | 0.84% |
Arnold Clark sells other things too, so only its searches that name this product count here, like “arnold clark car hire”.
How has the Arnold Clark and Sixt comparison changed over the last 12 months?
3 findings
- Sixt was ahead of Arnold Clark in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Arnold Clark’s share of searches among car hire companies in the United Kingdom held steady at 1.5%, and its estimated monthly branded searches held steady at 6.6K.
- Across the 12 months ending September 2026, Sixt’s share of searches among car hire companies in the United Kingdom moved from 11.3% to 14%, and its estimated monthly branded searches moved from 49.5K to 60.5K.
How did search popularity change for United Kingdom car hire companies in September 2026?
1 change
In September 2026, Sixt lost share of searches among car hire companies in the United Kingdom, from 16.2% to 14%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Arnold Clark’s and Sixt’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.
Arnold Clark
1 branded search term
- arnold clark car hire
Sixt
1 branded search term
- sixt
Other head-to-heads among car hire companies
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.