diff --git a/benchmark/util/inspect.js b/benchmark/util/inspect.js
index 8e453b9e226e..effa64852fe8 100644
--- a/benchmark/util/inspect.js
+++ b/benchmark/util/inspect.js
@@ -2,6 +2,7 @@
 const util = require('util');
 
 const common = require('../common.js');
+const assert = require('node:assert');
 
 const opts = {
   showHidden: { showHidden: true },
@@ -19,6 +20,8 @@ const bench = common.createBenchmark(main, {
     'String_boxed',
     'Date',
     'Set',
+    'Set_large',
+    'Map',
     'Error',
     'Array',
     'TypedArray',
@@ -29,11 +32,14 @@ const bench = common.createBenchmark(main, {
 });
 
 function benchmark(n, obj, options) {
+  let output;
   bench.start();
   for (let i = 0; i < n; i += 1) {
-    util.inspect(obj, options);
+    output = util.inspect(obj, options);
   }
   bench.end(n);
+  assert.strictEqual(typeof output, 'string');
+  assert.notStrictEqual(output.length, 0);
 }
 
 function main({ method, n, option }) {
@@ -77,6 +83,20 @@ function main({ method, n, option }) {
       obj = new Set([5, 3]);
       benchmark(n, obj, options);
       break;
+    case 'Set_large':
+      obj = new Set();
+      for (let i = 0; i < 50; i++) {
+        obj.add(i);
+      }
+      benchmark(n, obj, options);
+      break;
+    case 'Map':
+      obj = new Map();
+      for (let i = 0; i < 50; i++) {
+        obj.set(i, i);
+      }
+      benchmark(n, obj, options);
+      break;
     case 'Error':
       benchmark(n, new Error('error'), options);
       break;
diff --git a/lib/internal/util/inspect.js b/lib/internal/util/inspect.js
index 7ee103196585..70c0c55cb46e 100644
--- a/lib/internal/util/inspect.js
+++ b/lib/internal/util/inspect.js
@@ -2409,11 +2409,11 @@ function formatSet(value, ctx, ignored, recurseTimes) {
   let i = 0;
   for (const v of value) {
     if (i >= maxLength) break;
-    ArrayPrototypePush(output, formatValue(ctx, v, recurseTimes));
+    output[output.length] = formatValue(ctx, v, recurseTimes);
     i++;
   }
   if (remaining > 0) {
-    ArrayPrototypePush(output, remainingText(remaining));
+    output[output.length] = remainingText(remaining);
   }
   ctx.indentationLvl -= 2;
   return output;
@@ -2428,14 +2428,12 @@ function formatMap(value, ctx, ignored, recurseTimes) {
   let i = 0;
   for (const { 0: k, 1: v } of value) {
     if (i >= maxLength) break;
-    ArrayPrototypePush(
-      output,
-      `${formatValue(ctx, k, recurseTimes)} => ${formatValue(ctx, v, recurseTimes)}`,
-    );
+    output[output.length] =
+      `${formatValue(ctx, k, recurseTimes)} => ${formatValue(ctx, v, recurseTimes)}`;
     i++;
   }
   if (remaining > 0) {
-    ArrayPrototypePush(output, remainingText(remaining));
+    output[output.length] = remainingText(remaining);
   }
   ctx.indentationLvl -= 2;
   return output;