diff --git a/selfdrive/car/tests/routes.py b/selfdrive/car/tests/routes.py
index c593277b00..803e110a3f 100644
--- a/selfdrive/car/tests/routes.py
+++ b/selfdrive/car/tests/routes.py
@@ -191,6 +191,7 @@ routes = [
   CarTestRoute("80d16a262e33d57f|2021-05-23--20-01-43", TOYOTA.HIGHLANDERH),
   CarTestRoute("eb6acd681135480d|2019-06-20--20-00-00", TOYOTA.SIENNA),
   CarTestRoute("2e07163a1ba9a780|2019-08-25--13-15-13", TOYOTA.LEXUS_IS),
+  CarTestRoute("649bf2997ada6e3a|2023-08-08--18-04-22", TOYOTA.LEXUS_IS_TSS2),
   CarTestRoute("0a0de17a1e6a2d15|2020-09-21--21-24-41", TOYOTA.PRIUS_TSS2),
   CarTestRoute("9b36accae406390e|2021-03-30--10-41-38", TOYOTA.MIRAI),
   CarTestRoute("cd9cff4b0b26c435|2021-05-13--15-12-39", TOYOTA.CHR),
diff --git a/selfdrive/car/torque_data/override.yaml b/selfdrive/car/torque_data/override.yaml
index d56e96ca6e..fa4bb6a171 100644
--- a/selfdrive/car/torque_data/override.yaml
+++ b/selfdrive/car/torque_data/override.yaml
@@ -54,6 +54,7 @@ KIA NIRO EV 2ND GEN: [2.05, 2.5, 0.14]
 GENESIS GV80 2023: [2.5, 2.5, 0.1]
 KIA CARNIVAL 4TH GEN: [1.75, 1.75, 0.15]
 GMC ACADIA DENALI 2018: [1.6, 1.6, 0.2]
+LEXUS IS 2023: [2.0, 2.0, 0.1]
 
 # Dashcam or fallback configured as ideal car
 mock: [10.0, 10, 0.0]
diff --git a/selfdrive/car/toyota/interface.py b/selfdrive/car/toyota/interface.py
index 75f61609db..7ad28373af 100644
--- a/selfdrive/car/toyota/interface.py
+++ b/selfdrive/car/toyota/interface.py
@@ -159,7 +159,7 @@ class CarInterface(CarInterfaceBase):
       tire_stiffness_factor = 0.444
       ret.mass = 4590. * CV.LB_TO_KG + STD_CARGO_KG
 
-    elif candidate in (CAR.LEXUS_IS, CAR.LEXUS_RC):
+    elif candidate in (CAR.LEXUS_IS, CAR.LEXUS_IS_TSS2, CAR.LEXUS_RC):
       ret.wheelbase = 2.79908
       ret.steerRatio = 13.3
       tire_stiffness_factor = 0.444
diff --git a/selfdrive/car/toyota/values.py b/selfdrive/car/toyota/values.py
index c2a4f81f70..c63fbb018d 100644
--- a/selfdrive/car/toyota/values.py
+++ b/selfdrive/car/toyota/values.py
@@ -90,6 +90,7 @@ class CAR:
   LEXUS_ES_TSS2 = "LEXUS ES 2019"
   LEXUS_ESH_TSS2 = "LEXUS ES HYBRID 2019"
   LEXUS_IS = "LEXUS IS 2018"
+  LEXUS_IS_TSS2 = "LEXUS IS 2023"
   LEXUS_NX = "LEXUS NX 2018"
   LEXUS_NXH = "LEXUS NX HYBRID 2018"
   LEXUS_NX_TSS2 = "LEXUS NX 2020"
@@ -183,6 +184,7 @@ CAR_INFO: Dict[str, Union[ToyotaCarInfo, List[ToyotaCarInfo]]] = {
   CAR.LEXUS_ES_TSS2: ToyotaCarInfo("Lexus ES 2019-22"),
   CAR.LEXUS_ESH_TSS2: ToyotaCarInfo("Lexus ES Hybrid 2019-23", video_link="https://youtu.be/BZ29osRVJeg?t=12"),
   CAR.LEXUS_IS: ToyotaCarInfo("Lexus IS 2017-19"),
+  CAR.LEXUS_IS_TSS2: ToyotaCarInfo("Lexus IS 2023"),
   CAR.LEXUS_NX: ToyotaCarInfo("Lexus NX 2018-19"),
   CAR.LEXUS_NXH: ToyotaCarInfo("Lexus NX Hybrid 2018-19"),
   CAR.LEXUS_NX_TSS2: ToyotaCarInfo("Lexus NX 2020-21"),
@@ -1244,6 +1246,23 @@ FW_VERSIONS = {
       b'8646F5301400\x00\x00\x00\x00',
     ],
   },
+  CAR.LEXUS_IS_TSS2: {
+    (Ecu.engine, 0x700, None): [
+      b'\x018966353S1000\x00\x00\x00\x00',
+    ],
+    (Ecu.abs, 0x7b0, None): [
+      b'\x01F15265342000\x00\x00\x00\x00',
+    ],
+    (Ecu.eps, 0x7a1, None): [
+      b'8965B53450\x00\x00\x00\x00\x00\x00',
+    ],
+    (Ecu.fwdRadar, 0x750, 0xf): [
+      b'\x018821F6201300\x00\x00\x00\x00',
+    ],
+    (Ecu.fwdCamera, 0x750, 0x6d): [
+      b'\x028646F5303400\x00\x00\x00\x008646G3304000\x00\x00\x00\x00',
+    ],
+  },
   CAR.PRIUS: {
     (Ecu.engine, 0x700, None): [
       b'\x02896634761000\x00\x00\x00\x008966A4703000\x00\x00\x00\x00',
@@ -2261,6 +2280,7 @@ DBC = {
   CAR.LEXUS_ESH: dbc_dict('toyota_new_mc_pt_generated', 'toyota_adas'),
   CAR.SIENNA: dbc_dict('toyota_tnga_k_pt_generated', 'toyota_adas'),
   CAR.LEXUS_IS: dbc_dict('toyota_tnga_k_pt_generated', 'toyota_adas'),
+  CAR.LEXUS_IS_TSS2: dbc_dict('toyota_nodsu_pt_generated', 'toyota_tss2_adas'),
   CAR.LEXUS_CTH: dbc_dict('toyota_new_mc_pt_generated', 'toyota_adas'),
   CAR.RAV4H_TSS2: dbc_dict('toyota_nodsu_pt_generated', 'toyota_tss2_adas'),
   CAR.RAV4H_TSS2_2022: dbc_dict('toyota_nodsu_pt_generated', None),
@@ -2280,7 +2300,7 @@ EPS_SCALE = defaultdict(lambda: 73, {CAR.PRIUS: 66, CAR.COROLLA: 88, CAR.LEXUS_I
 
 # Toyota/Lexus Safety Sense 2.0 and 2.5
 TSS2_CAR = {CAR.RAV4_TSS2, CAR.RAV4_TSS2_2022, CAR.RAV4_TSS2_2023, CAR.COROLLA_TSS2, CAR.COROLLAH_TSS2, CAR.LEXUS_ES_TSS2, CAR.LEXUS_ESH_TSS2, CAR.RAV4H_TSS2, CAR.RAV4H_TSS2_2022,
-            CAR.RAV4H_TSS2_2023, CAR.LEXUS_RX_TSS2, CAR.LEXUS_RXH_TSS2, CAR.HIGHLANDER_TSS2, CAR.HIGHLANDERH_TSS2, CAR.PRIUS_TSS2, CAR.CAMRY_TSS2, CAR.CAMRYH_TSS2,
+            CAR.RAV4H_TSS2_2023, CAR.LEXUS_RX_TSS2, CAR.LEXUS_RXH_TSS2, CAR.HIGHLANDER_TSS2, CAR.HIGHLANDERH_TSS2, CAR.PRIUS_TSS2, CAR.CAMRY_TSS2, CAR.CAMRYH_TSS2, CAR.LEXUS_IS_TSS2,
             CAR.MIRAI, CAR.LEXUS_NX_TSS2, CAR.LEXUS_NXH_TSS2, CAR.ALPHARD_TSS2, CAR.AVALON_TSS2, CAR.AVALONH_TSS2, CAR.ALPHARDH_TSS2, CAR.CHR_TSS2, CAR.CHRH_TSS2}
 
 NO_DSU_CAR = TSS2_CAR | {CAR.CHR, CAR.CHRH, CAR.CAMRY, CAR.CAMRYH}