diff --git a/tools_webrtc/autoroller/roll_deps.py b/tools_webrtc/autoroller/roll_deps.py
index aaf49fc4da..9cd601db88 100755
--- a/tools_webrtc/autoroller/roll_deps.py
+++ b/tools_webrtc/autoroller/roll_deps.py
@@ -403,13 +403,31 @@ def _LocalCommit(commit_msg, dry_run):
     _RunCommand(['git', 'commit', '-m', commit_msg])
 
 
-def _UploadCL(dry_run, skip_cq=False):
+def ShouldUseCQ(skip_cq, cq_over, current_cr_rev, new_cr_rev):
+  if skip_cq:
+    return 0
+  if (new_cr_rev - current_cr_rev) < cq_over:
+    return 1
+  return 2
+
+
+def _UploadCL(dry_run, commit_queue=2):
+  """Upload the committed changes as a changelist to Gerrit.
+
+  commit_queue:
+    - 2: Submit to commit queue.
+    - 1: Commit queue dry run.
+    - 0: Skip CQ, upload only.
+  """
   logging.info('Uploading CL...')
   if not dry_run:
     cmd = ['git', 'cl', 'upload', '-f', '--gerrit']
-    if not skip_cq:
+    if commit_queue >= 2:
       logging.info('Sending the CL to the CQ...')
       cmd.extend(['--use-commit-queue', '--send-mail'])
+    elif commit_queue >= 1:
+      logging.info('Starting CQ dry run...')
+      cmd.extend(['--cq-dry-run'])
     _RunCommand(cmd, extra_env={'EDITOR': 'true', 'SKIP_GCE_AUTH_FOR_GIT': '1'})
 
 
@@ -432,8 +450,12 @@ def main():
                  default=False,
                  help=('Ignore if the current branch is not master or if there '
                        'are uncommitted changes (default: %(default)s).'))
-  p.add_argument('--skip-cq', action='store_true', default=False,
-                 help='Skip sending the CL to the CQ (default: %(default)s)')
+  grp = p.add_mutually_exclusive_group()
+  grp.add_argument('--skip-cq', action='store_true', default=False,
+                   help='Skip sending the CL to the CQ (default: %(default)s)')
+  grp.add_argument('--cq-over', type=int, default=1,
+                   help=('Commit queue dry run if the revision difference '
+                         'is below this number (default: %(default)s)'))
   p.add_argument('-v', '--verbose', action='store_true', default=False,
                  help='Be extra verbose in printing of log messages.')
   opts = p.parse_args()
@@ -481,7 +503,9 @@ def main():
     logging.info("No DEPS changes detected, skipping CL creation.")
   else:
     _LocalCommit(commit_msg, opts.dry_run)
-    _UploadCL(opts.dry_run, opts.skip_cq)
+    commit_queue = ShouldUseCQ(opts.skip_cq, opts.cq_over,
+                               current_cr_rev, new_cr_rev)
+    _UploadCL(opts.dry_run, commit_queue)
   return 0
 
 
diff --git a/tools_webrtc/autoroller/unittests/roll_deps_test.py b/tools_webrtc/autoroller/unittests/roll_deps_test.py
index 5c48a86c16..369feea7db 100755
--- a/tools_webrtc/autoroller/unittests/roll_deps_test.py
+++ b/tools_webrtc/autoroller/unittests/roll_deps_test.py
@@ -20,7 +20,7 @@ PARENT_DIR = os.path.join(SCRIPT_DIR, os.pardir)
 sys.path.append(PARENT_DIR)
 import roll_deps
 from roll_deps import CalculateChangedDeps, GetMatchingDepsEntries, \
-  ParseDepsDict, ParseLocalDepsFile, UpdateDepsFile
+  ParseDepsDict, ParseLocalDepsFile, UpdateDepsFile, ShouldUseCQ
 
 
 TEST_DATA_VARS = {
@@ -140,6 +140,17 @@ class TestRollChromiumRevision(unittest.TestCase):
     self.assertEquals(changed_deps[1].new_rev, BUILDTOOLS_NEW_REV)
 
 
+class TestShouldUseCQ(unittest.TestCase):
+  def testSkip(self):
+    self.assertEquals(ShouldUseCQ(True, 99, 500000, 500100), 0)
+
+  def testDryRun(self):
+    self.assertEquals(ShouldUseCQ(False, 101, 500000, 500100), 1)
+
+  def testSubmit(self):
+    self.assertEquals(ShouldUseCQ(False, 100, 500000, 500100), 2)
+
+
 def _SetupGitLsRemoteCall(cmd_fake, url, revision):
   cmd = ['git', 'ls-remote', url, revision]
   cmd_fake.AddExpectation(cmd, _returns=(revision, None))