diff --git a/src/components/card/CardBody.tsx b/src/components/card/CardBody.tsx
index 89c0061bc..4073daab2 100644
--- a/src/components/card/CardBody.tsx
+++ b/src/components/card/CardBody.tsx
@@ -38,12 +38,7 @@ export const CardBody = React.forwardRef<HTMLDivElement, Readonly<CardBodyProps>
     }
 
     return (
-      <CardBodyStyled
-        className={className}
-        css={sizeStyles}
-        insetContent={insetContent}
-        ref={ref}
-        size={size}>
+      <CardBodyStyled className={className} css={sizeStyles} insetContent={insetContent} ref={ref}>
         {children}
       </CardBodyStyled>
     );
diff --git a/src/components/card/CardHeader.tsx b/src/components/card/CardHeader.tsx
index 06c1dc49e..e60ecf602 100644
--- a/src/components/card/CardHeader.tsx
+++ b/src/components/card/CardHeader.tsx
@@ -120,7 +120,7 @@ export const CardHeader = React.forwardRef<HTMLDivElement, Readonly<CardHeaderPr
             }),
             [sizeConfig.styles],
           )}
-          noPadding={isFullyCollapsible}
+          disablePadding={isFullyCollapsible}
           ref={ref}>
           {isFullyCollapsible ? (
             <CardHeaderTitleButtonStyled
diff --git a/src/components/card/CardStyles.tsx b/src/components/card/CardStyles.tsx
index 5229ca393..42cc42149 100644
--- a/src/components/card/CardStyles.tsx
+++ b/src/components/card/CardStyles.tsx
@@ -38,11 +38,10 @@ export const CardStyled = styled.div`
 `;
 CardStyled.displayName = 'CardStyled';
 
-export const CardHeaderStyled = styled.header<{ noPadding: boolean }>`
+export const CardHeaderStyled = styled.header<{ disablePadding: boolean }>`
   align-items: center;
   display: flex;
-  min-height: var(--card-header-min-height);
-  ${({ noPadding }) => (noPadding ? '' : 'padding: var(--card-header-padding);')}
+  ${({ disablePadding }) => (disablePadding ? '' : 'padding: var(--card-header-padding);')}
 `;
 CardHeaderStyled.displayName = 'CardHeaderStyled';
 
@@ -66,7 +65,6 @@ export const RightContentStyled = styled.div`
   align-items: center;
   display: flex;
   gap: ${cssVar('dimension-space-100')};
-  max-height: var(--card-header-heading-height);
 `;
 RightContentStyled.displayName = 'RightContentStyled';
 
@@ -86,7 +84,9 @@ export const CardHeaderTitleButtonStyled = styled(ButtonStyled)`
   display: flex;
   flex-direction: row;
   flex: 1;
-  min-height: var(--card-header-min-height);
+  /* ButtonStyled sets fixed dimensions; this header button sizes from padding instead. */
+  height: auto;
+  min-height: auto;
   padding: var(--card-header-padding);
 
   border-bottom-right-radius: 0;
@@ -94,9 +94,8 @@ export const CardHeaderTitleButtonStyled = styled(ButtonStyled)`
 `;
 CardHeaderTitleButtonStyled.displayName = 'CardHeaderTitleButtonStyled';
 
-export const CardBodyStyled = styled.div<{ size: `${CardSize}`; insetContent: boolean }>`
+export const CardBodyStyled = styled.div<{ insetContent: boolean }>`
   box-sizing: border-box;
-  min-height: var(--card-body-min-height);
   padding: ${(props) => (props.insetContent ? '0' : 'var(--card-padding)')};
   width: 100%;
 
@@ -108,33 +107,24 @@ CardBodyStyled.displayName = 'CardBodyStyled';
 
 export const CARD_HEADER_SIZE_STYLES = {
   [CardSize.Large]: {
-    '--card-header-heading-height': '1.875rem',
-    '--card-header-min-height': '58px',
-    '--card-header-padding': `${cssVar('dimension-space-200')} ${cssVar('dimension-space-300')}`,
+    '--card-header-padding': `${cssVar('dimension-space-250')} ${cssVar('dimension-space-300')}`,
   },
   [CardSize.Medium]: {
-    '--card-header-heading-height': '1.5rem',
-    '--card-header-min-height': '45px',
     '--card-header-padding': `${cssVar('dimension-space-150')} ${cssVar('dimension-space-200')}`,
   },
   [CardSize.Small]: {
-    '--card-header-heading-height': '1.25rem',
-    '--card-header-min-height': '36px',
     '--card-header-padding': `${cssVar('dimension-space-100')} ${cssVar('dimension-space-150')}`,
   },
 };
 
 export const CARD_SIZE_STYLES = {
   [CardSize.Large]: {
-    '--card-body-min-height': '108px',
     '--card-padding': cssVar('dimension-space-300'),
   },
   [CardSize.Medium]: {
-    '--card-body-min-height': '92px',
     '--card-padding': cssVar('dimension-space-200'),
   },
   [CardSize.Small]: {
-    '--card-body-min-height': '84px',
     '--card-padding': cssVar('dimension-space-150'),
   },
 };
diff --git a/src/components/card/__tests__/Card-test.tsx b/src/components/card/__tests__/Card-test.tsx
index 428953489..d7350efc9 100644
--- a/src/components/card/__tests__/Card-test.tsx
+++ b/src/components/card/__tests__/Card-test.tsx
@@ -27,6 +27,7 @@ import { CardBody } from '../CardBody';
 import { CardHeader } from '../CardHeader';
 import { CardRoot } from '../CardRoot';
 import { CardSize } from '../CardSize';
+import { CARD_HEADER_SIZE_STYLES, CARD_SIZE_STYLES } from '../CardStyles';
 
 describe('Card components', () => {
   describe('CardRoot', () => {
@@ -90,6 +91,35 @@ describe('Card components', () => {
       expect(screen.getByRole('button', { name: 'Action' })).toBeInTheDocument();
     });
 
+    it('defines header and body size through padding only', () => {
+      expect(CARD_HEADER_SIZE_STYLES).toEqual({
+        [CardSize.Large]: {
+          '--card-header-padding':
+            'var(--echoes-dimension-space-250) var(--echoes-dimension-space-300)',
+        },
+        [CardSize.Medium]: {
+          '--card-header-padding':
+            'var(--echoes-dimension-space-150) var(--echoes-dimension-space-200)',
+        },
+        [CardSize.Small]: {
+          '--card-header-padding':
+            'var(--echoes-dimension-space-100) var(--echoes-dimension-space-150)',
+        },
+      });
+
+      expect(CARD_SIZE_STYLES).toEqual({
+        [CardSize.Large]: {
+          '--card-padding': 'var(--echoes-dimension-space-300)',
+        },
+        [CardSize.Medium]: {
+          '--card-padding': 'var(--echoes-dimension-space-200)',
+        },
+        [CardSize.Small]: {
+          '--card-padding': 'var(--echoes-dimension-space-150)',
+        },
+      });
+    });
+
     it('uses correct heading level based on card size', () => {
       const { rerender } = render(
         <CardRoot size={CardSize.Small}>
@@ -149,6 +179,7 @@ describe('Card components', () => {
       );
 
       expect(ref.current).not.toBeNull();
+      expect(ref.current).not.toHaveAttribute('size');
     });
 
     it('applies insetContent prop correctly', () => {
@@ -248,6 +279,20 @@ describe('Card components', () => {
       expect(screen.getByRole('button', { name: 'Collapse' })).toBeInTheDocument();
     });
 
+    it('does not apply a minimum height to the collapsible header button', () => {
+      render(
+        <CardRoot isCollapsible>
+          <CardHeader title="Collapsible Card" />
+
+          <CardBody>Card Content</CardBody>
+        </CardRoot>,
+      );
+
+      expect(
+        window.getComputedStyle(screen.getByRole('button', { name: 'Collapse' })).minHeight,
+      ).toBe('auto');
+    });
+
     it('does not render a toggle button when isCollapsible is false', () => {
       render(
         <CardRoot>