diff --git a/packages/angular_devkit/build_angular/src/builders/browser-esbuild/index.ts b/packages/angular_devkit/build_angular/src/builders/browser-esbuild/index.ts
index d2e1afee2e00..be61739b076a 100644
--- a/packages/angular_devkit/build_angular/src/builders/browser-esbuild/index.ts
+++ b/packages/angular_devkit/build_angular/src/builders/browser-esbuild/index.ts
@@ -11,6 +11,8 @@ import type { BuildOptions, Metafile, OutputFile } from 'esbuild';
 import { constants as fsConstants } from 'node:fs';
 import fs from 'node:fs/promises';
 import path from 'node:path';
+import { promisify } from 'node:util';
+import { brotliCompress } from 'node:zlib';
 import { copyAssets } from '../../utils/copy-assets';
 import { assertIsError } from '../../utils/error';
 import { transformSupportedBrowsersToTargets } from '../../utils/esbuild-targets';
@@ -33,6 +35,8 @@ import { createSourcemapIngorelistPlugin } from './sourcemap-ignorelist-plugin';
 import { shutdownSassWorkerPool } from './stylesheets/sass-plugin';
 import type { ChangedFiles } from './watcher';
 
+const compressAsync = promisify(brotliCompress);
+
 interface RebuildState {
   rebuildContexts: BundlerContext[];
   codeBundleCache?: SourceFileCache;
@@ -259,7 +263,12 @@ async function execute(
     }
   }
 
-  logBuildStats(context, metafile, initialFiles);
+  // Calculate estimated transfer size if scripts are optimized
+  let estimatedTransferSizes;
+  if (optimizationOptions.scripts || optimizationOptions.styles.minify) {
+    estimatedTransferSizes = await calculateEstimatedTransferSizes(executionResult.outputFiles);
+  }
+  logBuildStats(context, metafile, initialFiles, estimatedTransferSizes);
 
   const buildTime = Number(process.hrtime.bigint() - startTime) / 10 ** 9;
   context.logger.info(`Application bundle generation complete. [${buildTime.toFixed(3)} seconds]`);
@@ -700,7 +709,12 @@ export async function* buildEsbuildBrowserInternal(
 
 export default createBuilder(buildEsbuildBrowser);
 
-function logBuildStats(context: BuilderContext, metafile: Metafile, initialFiles: FileInfo[]) {
+function logBuildStats(
+  context: BuilderContext,
+  metafile: Metafile,
+  initialFiles: FileInfo[],
+  estimatedTransferSizes?: Map<string, number>,
+) {
   const initial = new Map(initialFiles.map((info) => [info.file, info.name]));
   const stats: BundleStats[] = [];
   for (const [file, output] of Object.entries(metafile.outputs)) {
@@ -716,11 +730,45 @@ function logBuildStats(context: BuilderContext, metafile: Metafile, initialFiles
 
     stats.push({
       initial: initial.has(file),
-      stats: [file, initial.get(file) ?? '-', output.bytes, ''],
+      stats: [
+        file,
+        initial.get(file) ?? '-',
+        output.bytes,
+        estimatedTransferSizes?.get(file) ?? '-',
+      ],
     });
   }
 
-  const tableText = generateBuildStatsTable(stats, true, true, false, undefined);
+  const tableText = generateBuildStatsTable(stats, true, true, !!estimatedTransferSizes, undefined);
 
   context.logger.info('\n' + tableText + '\n');
 }
+
+async function calculateEstimatedTransferSizes(outputFiles: OutputFile[]) {
+  const sizes = new Map<string, number>();
+
+  const pendingCompression = [];
+  for (const outputFile of outputFiles) {
+    // Only calculate JavaScript and CSS files
+    if (!outputFile.path.endsWith('.js') && !outputFile.path.endsWith('.css')) {
+      continue;
+    }
+
+    // Skip compressing small files which may end being larger once compressed and will most likely not be
+    // compressed in actual transit.
+    if (outputFile.contents.byteLength < 1024) {
+      sizes.set(outputFile.path, outputFile.contents.byteLength);
+      continue;
+    }
+
+    pendingCompression.push(
+      compressAsync(outputFile.contents).then((result) =>
+        sizes.set(outputFile.path, result.byteLength),
+      ),
+    );
+  }
+
+  await Promise.all(pendingCompression);
+
+  return sizes;
+}
diff --git a/tests/legacy-cli/e2e/tests/basic/build.ts b/tests/legacy-cli/e2e/tests/basic/build.ts
index 51fcca4b9bcd..04d3af02c1b2 100644
--- a/tests/legacy-cli/e2e/tests/basic/build.ts
+++ b/tests/legacy-cli/e2e/tests/basic/build.ts
@@ -4,21 +4,27 @@ import { ng } from '../../utils/process';
 
 export default async function () {
   // Development build
-  const { stdout } = await ng('build', '--configuration=development');
+  const { stdout: stdout1 } = await ng('build', '--configuration=development');
   await expectFileToMatch('dist/test-project/index.html', 'main.js');
 
-  if (stdout.includes('Estimated Transfer Size')) {
+  if (stdout1.includes('Estimated Transfer Size')) {
     throw new Error(
-      `Expected stdout not to contain 'Estimated Transfer Size' but it did.\n${stdout}`,
+      `Expected stdout not to contain 'Estimated Transfer Size' but it did.\n${stdout1}`,
     );
   }
 
   // Production build
-  await ng('build');
+  const { stdout: stdout2 } = await ng('build');
   if (getGlobalVariable('argv')['esbuild']) {
     // esbuild uses an 8 character hash
     await expectFileToMatch('dist/test-project/index.html', /main\.[a-zA-Z0-9]{8}\.js/);
   } else {
     await expectFileToMatch('dist/test-project/index.html', /main\.[a-zA-Z0-9]{16}\.js/);
   }
+
+  if (!stdout2.includes('Estimated Transfer Size')) {
+    throw new Error(
+      `Expected stdout to contain 'Estimated Transfer Size' but it did not.\n${stdout2}`,
+    );
+  }
 }
diff --git a/tests/legacy-cli/e2e/tests/build/progress-and-stats.ts b/tests/legacy-cli/e2e/tests/build/progress-and-stats.ts
index eb4c9147ef44..f0c7a9ba360f 100644
--- a/tests/legacy-cli/e2e/tests/build/progress-and-stats.ts
+++ b/tests/legacy-cli/e2e/tests/build/progress-and-stats.ts
@@ -2,11 +2,6 @@ import { getGlobalVariable } from '../../utils/env';
 import { ng } from '../../utils/process';
 
 export default async function () {
-  if (getGlobalVariable('argv')['esbuild']) {
-    // EXPERIMENTAL_ESBUILD: esbuild does not yet output build stats
-    return;
-  }
-
   const { stderr: stderrProgress, stdout } = await ng('build', '--progress');
   if (!stdout.includes('Initial Total')) {
     throw new Error(`Expected stdout to contain 'Initial Total' but it did not.\n${stdout}`);
@@ -18,11 +13,16 @@ export default async function () {
     );
   }
 
-  const logs: string[] = [
-    'Browser application bundle generation complete',
-    'Copying assets complete',
-    'Index html generation complete',
-  ];
+  let logs;
+  if (getGlobalVariable('argv')['esbuild']) {
+    logs = ['Application bundle generation complete.'];
+  } else {
+    logs = [
+      'Browser application bundle generation complete',
+      'Copying assets complete',
+      'Index html generation complete',
+    ];
+  }
 
   for (const log of logs) {
     if (!stderrProgress.includes(log)) {