diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh
index fe1024c18ec8..1fa2e952bb79 100755
--- a/scripts/ext-toolchain.sh
+++ b/scripts/ext-toolchain.sh
@@ -27,6 +27,7 @@ CFLAGS=""
 TOOLCHAIN="."
 
 LIBC_TYPE=""
+GCC_VERSION=""
 
 
 # Library specs
@@ -199,6 +200,19 @@ find_bins() {
 	return 1
 }
 
+find_gcc_version() {
+	if [ -f $TOOLCHAIN/info.mk ]; then
+		GCC_VERSION=$(grep GCC_VERSION $TOOLCHAIN/info.mk | sed 's/GCC_VERSION=//')
+		return 0
+	fi
+
+	echo "Warning! Can't find info.mk, trying to detect with alternative way."
+
+	# Very fragile detection
+	GCC_VERSION=$(find $TOOLCHAIN/bin | grep -oE "gcc-[0-9]+\.[0-9]+\.[0-9]+$" | \
+		head -1 | sed 's/gcc-//')
+}
+
 
 wrap_bin_cc() {
 	local out="$1"
@@ -383,6 +397,13 @@ print_config() {
 		return 1
 	fi
 
+	if [ -n "$GCC_VERSION" ]; then
+		echo "CONFIG_EXTERNAL_GCC_VERSION=\"$GCC_VERSION\"" >> "$config"
+	else
+		echo "Can't detect GCC version. Aborting!" >&2
+		return 1
+	fi
+
 	local lib
 	for lib in C RT PTHREAD GCC STDCPP SSP GFORTRAN GOMP; do
 		local file
@@ -564,6 +585,7 @@ while [ -n "$1" ]; do
 		--config)
 			if probe_cc; then
 				probe_libc
+				find_gcc_version
 				print_config "$1"
 				exit $?
 			fi
diff --git a/toolchain/Config.in b/toolchain/Config.in
index b0273acafdd7..24caecccb3ee 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -150,6 +150,14 @@ menuconfig EXTERNAL_TOOLCHAIN
 
 	endchoice
 
+	config EXTERNAL_GCC_VERSION
+		string
+		prompt "External Toolchain GCC Version" if DEVEL
+		depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+		help
+		  Manually specify the GCC version used by the selected
+		  external toolchain.
+
 	config TOOLCHAIN_LIBC
 		string
 		depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
diff --git a/toolchain/gcc/Config.version b/toolchain/gcc/Config.version
index a7e55eb5caf1..a00685ffa3f2 100644
--- a/toolchain/gcc/Config.version
+++ b/toolchain/gcc/Config.version
@@ -8,6 +8,7 @@ config GCC_VERSION_13
 
 config GCC_VERSION
 	string
+	default EXTERNAL_GCC_VERSION	if EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
 	default "11.3.0"	if GCC_VERSION_11
 	default "13.2.0"	if GCC_VERSION_13
 	default "12.3.0"