Coles vs NAB:Which is more popular?
In September 2026, NAB had more branded searches than Coles among credit cards in Australia. NAB had about 27,100 branded searches, while Coles had 18,100. NAB made up 3.6% of all credit card searches we track, and Coles accounted for 2.4%. When we asked ChatGPT and Google AI Overviews about credit cards, Coles appeared in two of the five answers and NAB in one. Coles was mentioned before NAB in two out of three answers.
Follow Coles vs NAB 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 credit cards in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Coles was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. NAB was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Coles was listed before NAB in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
American Express4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Coles2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
CommBank1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
ANZ1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Latitude1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
NAB1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Westpac1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
St.George0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bankwest0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about credit cards
5 answers
Asked ChatGPT
“What's the best credit card in Australia?”
Asked ChatGPT
“Which credit card should I get with no annual fee?”
Asked ChatGPT
“What's the best rewards credit card in Australia?”
Searched Google, AI Overview
“credit card”
Searched Google, AI Overview
“credit cards australia”
Brands are shown in the order each answer named them. The survey took place in Australia on October 27, 2026.
Share of searches by month for NAB, Coles. The figures are in the table below the chart.
View monthly share of searches table
| Month | St.George | Bankwest | CommBank | ANZ | Latitude | NAB | Westpac | Coles | American Express |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 54.4% | 30.1% | 2.7% | 2.7% | 2.2% | 2.2% | 1.8% | 3.2% | 0.79% |
| Nov 2025 | 55.1% | 30.5% | 2.7% | 2.7% | 2.2% | 2.2% | 1.8% | 2.2% | 0.65% |
| Dec 2025 | 59.2% | 26.8% | 2.4% | 2.4% | 2.4% | 1.9% | 1.9% | 2.4% | 0.7% |
| Jan 2026 | 56.6% | 25.8% | 3.4% | 3.4% | 2.8% | 2.8% | 2.3% | 2.3% | 0.82% |
| Feb 2026 | 58% | 26.3% | 2.8% | 2.8% | 2.3% | 2.8% | 2.3% | 1.9% | 0.69% |
| Mar 2026 | 54% | 29.9% | 2.6% | 2.6% | 3.2% | 2.6% | 2.2% | 2.2% | 0.64% |
| Apr 2026 | 58.6% | 26.5% | 2.3% | 2.3% | 3.5% | 2.3% | 1.9% | 1.9% | 0.57% |
| May 2026 | 58.4% | 26.5% | 2.3% | 2.9% | 2.9% | 2.3% | 1.9% | 2.3% | 0.57% |
| Jun 2026 | 58.6% | 26.5% | 2.3% | 2.3% | 3.5% | 2.3% | 1.9% | 1.9% | 0.57% |
| Jul 2026 | 53.5% | 29.5% | 2.6% | 2.6% | 3.9% | 2.6% | 2.1% | 2.6% | 0.63% |
| Aug 2026 | 49.5% | 27.9% | 5.3% | 3.6% | 3.6% | 3.6% | 2.9% | 2.9% | 0.71% |
| Sep 2026 | 50.5% | 28.1% | 4.4% | 3.6% | 3.6% | 3.6% | 3% | 2.4% | 0.59% |
NAB and Coles sell other things too, so only their searches that name this product count here, like “nab credit card”.
How has the Coles and NAB comparison changed over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending September 2026: NAB took it in January 2026.
- Across the 12 months ending September 2026, Coles’ share of searches among credit cards in Australia moved from 3.2% to 2.4%, and its estimated monthly branded searches moved from 27.1K to 18.1K.
- Across the 12 months ending September 2026, NAB’s share of searches among credit cards in Australia moved from 2.2% to 3.6%, and its estimated monthly branded searches moved from 18.1K to 27.1K.
How did search popularity change for Australia credit cards in September 2026?
2 changes
In September 2026, Coles lost share of searches among credit cards in Australia, from 2.9% to 2.4%.
NAB’s share of searches among credit cards in Australia has gained ground for 3 months in a row, from 2.3% to 3.6% in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Coles’ and NAB’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.
Other head-to-heads among credit cards
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.