Brandwave

Enterprise Rent-A-Car vs Sixt:Which is more popular?

In September 2026, Enterprise Rent-A-Car had more branded searches than Sixt among car hire companies in the United Kingdom. Enterprise Rent-A-Car had about 165,000 branded searches, while Sixt had 60,500. Enterprise Rent-A-Car made up 38.2% of all car hire company searches we track, and Sixt accounted for 14%. When we asked ChatGPT and Google AI Overviews about car hire companies, Enterprise Rent-A-Car appeared in three of the four answers and Sixt in two. Enterprise Rent-A-Car was mentioned before Sixt in every answer that named either.

Among car hire companies in the United Kingdom in September 2026

Who do people search for more?

Enterprise Rent-A-Car, about 3 searches for every 1 for Sixt

Enterprise Rent-A-Car 165K searchesSixt 60.5K searches

Who does AI mention more?

Enterprise Rent-A-Car, mentioned in 3 of 4 answers, Sixt in 2

Enterprise Rent-A-Car in 3 of 4Sixt in 2 of 4

Who does AI recommend more?

Enterprise Rent-A-Car, named ahead of Sixt in 3 of 3 answers

Enterprise Rent-A-Car first in 3Sixt never first

Follow Enterprise Rent-A-Car 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

Track your brand against a rival →

Top car hire companies in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Enterprise Rent-A-Car was mentioned in three out of four: in two of the three ChatGPT answers and in the Google AI Overview. Sixt was mentioned in two out of four: in one of the three ChatGPT answers and in the Google AI Overview. Enterprise Rent-A-Car was listed before Sixt in every answer that named either.

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. +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

+1 more

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.

Is Enterprise Rent-A-Car or Sixt more popular in search?

This chart shows how often people search Google for Enterprise Rent-A-Car 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.

Enterprise Rent-A-Car and Sixt among car hire companies in the United Kingdom, by month

Share of searches by month for Enterprise Rent-A-Car, Sixt. The figures are in the table below the chart.

View monthly share of searches table
MonthEnterprise Rent-A-CarEuropcarSixtAvisHertzZest Car RentalDrivaliaGreen MotionThriftyArnold ClarkBudget
Oct 202539%20.7%11.3%11.3%5.1%3.4%2.8%1.9%2.3%1.5%0.66%
Nov 202542.6%18.5%12.4%10.1%4.6%2.5%3%2%2%1.4%0.9%
Dec 202541.9%18.2%14.9%9.9%3.9%2.4%2.4%2%2%1.6%0.88%
Jan 202635.6%18.9%15.4%12.6%5.2%3.8%2.5%1.7%2.1%1.4%0.92%
Feb 202636.4%20.7%13.8%11.3%4.8%4.1%2.8%1.5%2.3%1.5%0.82%
Mar 202633.1%17.6%14.4%17.6%5%3.5%2.9%1.6%1.9%1.6%0.86%
Apr 202632.8%19.7%16.1%13.2%5.3%3.9%2.6%1.8%2.2%1.8%0.63%
May 202632.8%21.9%14.8%12.1%5.3%4.4%2.4%2%2%1.6%0.72%
Jun 202631.7%21.2%17.4%11.7%5.6%4.3%2.3%1.9%1.9%1.3%0.69%
Jul 202633.5%20%16.5%11%6.1%4.9%2.2%1.8%1.8%1.5%0.66%
Aug 202635.9%19.7%16.2%10.8%6%4%2.2%1.8%1.8%1.2%0.64%
Sep 202638.2%17.2%14%11.5%6.5%4.2%2.3%1.9%1.9%1.5%0.84%

How has the Enterprise Rent-A-Car and Sixt comparison changed over the last 12 months?

3 findings

How did search popularity change for United Kingdom car hire companies in September 2026?

2 changes

  1. In September 2026, Enterprise Rent-A-Car gained share of searches among car hire companies in the United Kingdom, from 35.9% to 38.2%.

  2. 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?

3 search terms

Brandwave collects information about searches that people make online using Enterprise Rent-A-Car’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.

Enterprise Rent-A-Car

2 branded search terms

  • enterprise car hire
  • enterprise rent a car

Sixt

1 branded search term

  • sixt

How the Brand Demand Index is measured

Other head-to-heads among car hire companies

Creator with pink hair and a pink jacket

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.

Start free