diff --git a/Jenkinsfile b/Jenkinsfile
index 3c97bcdca1..35c16e29c9 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -156,7 +156,7 @@ node {
           ["build master-ci", "cd $SOURCE_DIR/release && TARGET_DIR=$TEST_DIR ./build_devel.sh"],
           ["build openpilot", "cd selfdrive/manager && ./build.py"],
           ["check dirty", "release/check-dirty.sh"],
-          ["onroad tests", "cd selfdrive/test/ && ./test_onroad.py"],
+          ["onroad tests", "pytest selfdrive/test/test_onroad.py -s"],
           ["time to onroad", "cd selfdrive/test/ && pytest test_time_to_onroad.py"],
         ])
       },
diff --git a/selfdrive/test/test_onroad.py b/selfdrive/test/test_onroad.py
index 230a96ddad..d4f86e8f89 100755
--- a/selfdrive/test/test_onroad.py
+++ b/selfdrive/test/test_onroad.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+import bz2
 import math
 import json
 import os
@@ -161,6 +162,7 @@ class TestOnroad(unittest.TestCase):
 
     # use the second segment by default as it's the first full segment
     cls.lr = list(LogReader(os.path.join(str(cls.segments[1]), "rlog")))
+    cls.log_path = cls.segments[1]
 
   @cached_property
   def service_msgs(self):
@@ -191,6 +193,26 @@ class TestOnroad(unittest.TestCase):
     big_logs = [f for f, n in cnt.most_common(3) if n / sum(cnt.values()) > 30.]
     self.assertEqual(len(big_logs), 0, f"Log spam: {big_logs}")
 
+  def test_log_sizes(self):
+    for f in self.log_path.iterdir():
+      assert f.is_file()
+
+      sz = f.stat().st_size / 1e6
+      if f.name in ("qlog", "rlog"):
+        with open(f, 'rb') as ff:
+          sz = len(bz2.compress(ff.read())) / 1e6
+
+      if f.name == "qcamera.ts":
+        assert 2.15 < sz < 2.35
+      elif f.name == "qlog":
+        assert 0.7 < sz < 0.95
+      elif f.name == "rlog":
+        assert 5 < sz < 50
+      elif f.name.endswith('.hevc'):
+        assert 70 < sz < 77
+      else:
+        raise NotImplementedError
+
   def test_ui_timings(self):
     result = "\n"
     result += "------------------------------------------------\n"