diff --git a/selfdrive/debug/test_car_model.py b/selfdrive/debug/test_car_model.py
index c2f51c9355..3f7a1a167b 100755
--- a/selfdrive/debug/test_car_model.py
+++ b/selfdrive/debug/test_car_model.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 import argparse
 import sys
-from typing import List, Tuple
+from typing import List
 import unittest
 
 from selfdrive.car.tests.routes import CarTestRoute
@@ -9,11 +9,11 @@ from selfdrive.car.tests.test_models import TestCarModel
 from tools.lib.route import SegmentName
 
 
-def create_test_models_suite(routes: List[Tuple[str, CarTestRoute]], ci=False) -> unittest.TestSuite:
+def create_test_models_suite(routes: List[CarTestRoute], ci=False) -> unittest.TestSuite:
   test_suite = unittest.TestSuite()
-  for car_model, test_route in routes:
+  for test_route in routes:
     # create new test case and discover tests
-    test_case_args = {"car_model": car_model, "test_route": test_route, "ci": ci}
+    test_case_args = {"car_model": test_route.car_model, "test_route": test_route, "ci": ci}
     CarModelTestCase = type("CarModelTestCase", (TestCarModel,), test_case_args)
     test_suite.addTest(unittest.TestLoader().loadTestsFromTestCase(CarModelTestCase))
   return test_suite
@@ -33,6 +33,6 @@ if __name__ == "__main__":
   route_or_segment_name = SegmentName(args.route_or_segment_name.strip(), allow_route_name=True)
   segment_num = route_or_segment_name.segment_num if route_or_segment_name.segment_num != -1 else None
   test_route = CarTestRoute(route_or_segment_name.route_name.canonical_name, args.car, segment=segment_num)
-  test_suite = create_test_models_suite([(args.car, test_route)], ci=args.ci)
+  test_suite = create_test_models_suite([test_route], ci=args.ci)
 
   unittest.TextTestRunner().run(test_suite)