Brandwave

Car hire companies in the United Kingdom:Which are most popular?

In September 2026, Enterprise Rent-A-Car was the most searched car hire company in the United Kingdom, accounting for 38.2% of all searches among the 11 companies we track. When we checked with ChatGPT and Google AI Overviews, Arnold Clark showed up in every answer. Arnold Clark was recommended most often, coming first in two out of four responses.

Search and AI answers in September 2026
  1. Enterprise Rent-A-CarShare of searches 38.2%Mentioned in 3 of 4 AI answersPlace in AI recommendations 2nd
  2. EuropcarShare of searches 17.2%Mentioned in 2 of 4 AI answersPlace in AI recommendations 9th
  3. SixtShare of searches 14%Mentioned in 2 of 4 AI answersPlace in AI recommendations 8th
  4. AvisShare of searches 11.5%Mentioned in 2 of 4 AI answersPlace in AI recommendations 7th
  5. HertzShare of searches 6.5%Mentioned in 2 of 4 AI answersPlace in AI recommendations 6th

+6 more

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Top car hire companies in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and one Google AI Overview, Arnold Clark appeared every time. Arnold Clark was recommended most often, coming first in two out of four answers. Enterprise Rent-A-Car was second, and Zest Car Rental was third. Thrifty, which ranked ninth in searches, was not mentioned at all.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Arnold Clark1st
  2. Enterprise Rent-A-Car2nd
  3. Zest Car Rental3rd
  4. Drivalia4th
  5. Green Motion5th
  6. Hertz6th
  7. Avis7th
  8. Sixt8th
  9. Europcar9th
  10. Budget10th
  11. Thrifty–

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
  • Thrifty0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about car hire companies

4 answers

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.

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