diff --git a/Jenkinsfile b/Jenkinsfile
index a698cc68cc..c0bdd53253 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -160,6 +160,7 @@ pipeline {
             sh "scons --clean && scons --no-cache --random -j42"
             sh "INTERNAL_SEG_CNT=500 INTERNAL_SEG_LIST=selfdrive/car/tests/test_models_segs.txt FILEREADER_CACHE=1 \
                 pytest -n42 --dist=loadscope selfdrive/car/tests/test_models.py"
+            sh "MAX_EXAMPLES=100 pytest -n42 selfdrive/car/tests/test_car_interfaces.py"
           }
 
           post {
diff --git a/selfdrive/car/tests/test_car_interfaces.py b/selfdrive/car/tests/test_car_interfaces.py
index 7abc4c6f41..d44c50ed90 100755
--- a/selfdrive/car/tests/test_car_interfaces.py
+++ b/selfdrive/car/tests/test_car_interfaces.py
@@ -3,7 +3,7 @@ import os
 import math
 import unittest
 import hypothesis.strategies as st
-from hypothesis import given, settings
+from hypothesis import Phase, given, settings
 import importlib
 from parameterized import parameterized
 
@@ -18,6 +18,8 @@ from openpilot.selfdrive.test.fuzzy_generation import DrawType, FuzzyGenerator
 
 ALL_ECUS = list({ecu for ecus in FW_VERSIONS.values() for ecu in ecus.keys()})
 
+MAX_EXAMPLES = int(os.environ.get('MAX_EXAMPLES', '5'))
+
 
 def get_fuzzy_car_interface_args(draw: DrawType) -> dict:
   # Fuzzy CAN fingerprints and FW versions to test more states of the CarInterface
@@ -45,8 +47,11 @@ class TestCarInterfaces(unittest.TestCase):
   def setUpClass(cls):
     os.environ['NO_RADAR_SLEEP'] = '1'
 
+  # FIXME: Due to the lists used in carParams, Phase.target is very slow and will cause
+  #  many generated examples to overrun when max_examples > ~20, don't use it
   @parameterized.expand([(car,) for car in sorted(all_known_cars())])
-  @settings(max_examples=5)
+  @settings(max_examples=MAX_EXAMPLES, deadline=500,
+            phases=(Phase.reuse, Phase.generate, Phase.shrink))
   @given(data=st.data())
   def test_car_interfaces(self, car_name, data):
     CarInterface, CarController, CarState = interfaces[car_name]