Brandwave

BYD vs Kia:Which is more popular?

In September 2026, BYD and Kia were level in searches among car brands in the United Kingdom, with an estimated 554K versus 502K branded searches, at 4% and 3.6% of the total. When we asked ChatGPT and Google AI Overviews about car brands, Kia appeared in two of the five answers and BYD in one. Kia was mentioned before BYD in every answer that named either.

Among car brands in the United Kingdom in September 2026

Who do people search for more?

BYD, about 10% more searches than Kia

BYD 554K searchesKia 502K searches

Who does AI mention more?

Kia, mentioned in 2 of 5 answers, BYD in 1

Kia in 2 of 5BYD in 1 of 5

Who does AI recommend more?

Kia, named ahead of BYD in 2 of 2 answers

Kia first in 2BYD never first

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Top car brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Kia was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. BYD was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Kia was listed before BYD in every answer that named either.

Most recommended by AI

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

  1. Toyota1st
  2. Volkswagen2nd
  3. BMW3rd
  4. Skoda3rd
  5. Mercedes-Benz5th
  6. Tesla6th
  7. Porsche7th
  8. Kia8th
  9. Nissan9th
  10. +4 more
  11. BYD14th
  12. +1 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Toyota3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Volkswagen2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Tesla2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Kia2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Ford1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • BYD1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Porsche1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • BMW1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Peugeot1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Hyundai1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers

+5 more

See every answer about car brands

5 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 26, 2026.

Is BYD or Kia more popular in search?

This chart shows how often people search Google for BYD and Kia by name. Each line represents a brand's share of searches for all 55 car brands we track, month by month, from searches in United Kingdom.

BYD and Kia among car brands in the United Kingdom, by month

Share of searches by month for BYD, Kia. The figures are in the table below the chart.

View monthly share of searches table
MonthToyotaVolkswagenFordBYDPorscheTeslaKiaBMWPeugeotHyundaiMercedes-BenzLand RoverNissanSkodaCupra
Oct 20255.7%4.7%5.3%3%3.7%3.5%3.7%3.5%3.6%3.4%3.4%3.1%3.2%2.8%2.4%
Nov 20255.9%4.7%5.3%2.8%3.9%3.3%3.5%3.9%3.3%3.1%3.7%3.1%3.4%2.9%2.3%
Dec 20256.1%4.7%4.7%2.5%4.4%3.4%3.5%3.5%3.2%3.4%3.7%3.3%3.3%2.8%2%
Jan 20265.8%4.8%5%3.3%3.4%3.2%3.8%3.8%3.4%3.8%3.4%3.1%3.2%3.5%2.2%
Feb 20265.8%5%5.1%2.7%3.6%3%4%3.5%3.8%3.6%3.2%2.8%3.3%3.3%2.3%
Mar 20265.8%4.9%4.9%3%3.9%3.3%3.9%3.9%3.6%3.4%3.5%2.8%3.1%3.1%2.3%
Apr 20265.4%4.7%4.6%3.7%4.1%4.5%4%3.4%3.6%3.3%3.1%3%3.2%2.8%2.4%
May 20265.6%4.8%4.7%3.7%4%3.5%3.7%3.4%3.5%3.4%3.3%2.7%3.1%3%2.4%
Jun 20265.6%4.4%4.8%3.4%4.1%3.6%3.8%3.5%3.6%3.7%3.4%2.9%3.2%2.8%2.3%
Jul 20265.9%5%4.7%3.3%3.9%3.4%3.9%3.6%3.8%3.8%3.1%3.1%3.4%2.9%2.4%
Aug 20265.9%4.7%4.6%3.7%4%3.6%3.9%3.4%3.5%3.5%3.3%3%3%3%2.3%
Sep 20265.8%4.8%4.6%4%3.8%3.7%3.6%3.5%3.5%3.5%3.4%3.2%3.2%3.1%2.4%

How has the BYD and Kia comparison changed over the last 12 months?

3 findings
  • The lead changed hands 3 times in the 12 months ending September 2026: BYD took it in May 2026, Kia took it in June 2026, BYD took it in September 2026.
  • Across the 12 months ending September 2026, BYD’s share of searches among car brands in the United Kingdom moved from 3% to 4%, and its estimated monthly branded searches moved from 428K to 554K.
  • Across the 12 months ending September 2026, Kia’s share of searches among car brands in the United Kingdom moved from 3.7% to 3.6%, and its estimated monthly branded searches moved from 528K to 502K.

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

2 changes
  1. In September 2026, BYD rose from 6th to 4th among car brands in the United Kingdom.

  2. In September 2026, Kia fell from 5th to 7th among car brands in the United Kingdom.

How are branded searches counted?

19 search terms

Brandwave collects information about searches that people make online using BYD’s and Kia’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.

BYD

5 branded search terms

  • byd
  • byd cars
  • byd dolphin
  • byd seal
  • byd sealion 7

Kia

14 branded search terms

  • kia
  • kia cars
  • kia cerato
  • kia ev9
  • kia niro
  • kia picanto
  • kia seltos
  • kia sorento
  • kia sportage
  • kia stonic
  • seltos
  • sorento
  • sportage
  • stonic

How the Brand Demand Index is measured

Other head-to-heads among car brands

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