diff --git a/data-src/engine/Infiniti/VQ25HR/def.yml b/data-src/engine/Infiniti/VQ25HR/def.yml
new file mode 100644
index 0000000000..1de967e12a
--- /dev/null
+++ b/data-src/engine/Infiniti/VQ25HR/def.yml
@@ -0,0 +1,6 @@
+code: VQ25HR
+fuel: Petrol
+evidence:
+- First-hand OBD-II and CAN probing of a 2011 Infiniti G25
+name:
+- 2500 V6
diff --git a/data-src/vehicle/Infiniti/G25/def.yml b/data-src/vehicle/Infiniti/G25/def.yml
new file mode 100644
index 0000000000..0a3809031c
--- /dev/null
+++ b/data-src/vehicle/Infiniti/G25/def.yml
@@ -0,0 +1,6 @@
+created: 2026-08-14 12:30:00 CDT
+model: G25
+type: car
+evidence:
+- First-hand OBD-II and CAN probing of a 2011 G25 (V36 platform, VQ25HR)
+updated: 2026-08-14 12:30:00 CDT
diff --git a/data-src/vehicle/Infiniti/G25/versions/V36/VQ25HR.yml b/data-src/vehicle/Infiniti/G25/versions/V36/VQ25HR.yml
new file mode 100644
index 0000000000..8411d058c3
--- /dev/null
+++ b/data-src/vehicle/Infiniti/G25/versions/V36/VQ25HR.yml
@@ -0,0 +1,15 @@
+created: 2026-08-14 13:10:00 CDT
+year: 2011-2012
+version: V36
+engine: Infiniti/VQ25HR
+power_kw: 163.0
+ecu:
+- Nissan/1VW3C
+evidence:
+- First-hand OBD-II scan of a 2011 Infiniti G25
+updated: 2026-08-14 13:30:00 CDT
+# The ECM identifies itself through Nissan's Consult block (21 83), not UDS
+# 22 F18A/F187 — this generation rejects those with 7F 22 80, and refuses the
+# extended session with 7F 10 12. 1VW3C is the 5-character spare-part number
+# read from the block; the full Nissan number carries a family prefix that the
+# module does not report, so it is not written here.