diff --git a/api/app/serializers/spree/v2/storefront/cart_serializer.rb b/api/app/serializers/spree/v2/storefront/cart_serializer.rb
index 51b11aa5b68..3c33f81ec09 100644
--- a/api/app/serializers/spree/v2/storefront/cart_serializer.rb
+++ b/api/app/serializers/spree/v2/storefront/cart_serializer.rb
@@ -9,7 +9,7 @@ class CartSerializer < BaseSerializer
                    :display_included_tax_total, :tax_total, :currency, :state, :token, :email,
                    :display_item_total, :display_ship_total, :display_adjustment_total, :display_tax_total,
                    :promo_total, :display_promo_total, :item_count, :special_instructions, :display_total,
-                   :pre_tax_item_amount, :display_pre_tax_item_amount
+                   :pre_tax_item_amount, :display_pre_tax_item_amount, :pre_tax_total, :display_pre_tax_total
 
         has_many   :line_items
         has_many   :variants
diff --git a/api/docs/v2/storefront/index.yaml b/api/docs/v2/storefront/index.yaml
index 27343e75305..259a7b7aedd 100644
--- a/api/docs/v2/storefront/index.yaml
+++ b/api/docs/v2/storefront/index.yaml
@@ -1465,6 +1465,12 @@ components:
         display_pre_tax_item_amount:
           type: string
           example: '$17.00'
+        pre_tax_total:
+          type: string
+          example: '20.00'
+        display_pre_tax_total:
+          type: string
+          example: '$20.00'
         item_count:
           type: number
           example: 2
diff --git a/api/lib/spree/api/testing_support/v2/current_order.rb b/api/lib/spree/api/testing_support/v2/current_order.rb
index 1f7adcba40a..94a79f6dc95 100644
--- a/api/lib/spree/api/testing_support/v2/current_order.rb
+++ b/api/lib/spree/api/testing_support/v2/current_order.rb
@@ -50,6 +50,8 @@ def ensure_order_totals
     expect(json_response['data']).to have_attribute(:display_total).with_value(order.display_total.to_s)
     expect(json_response['data']).to have_attribute(:pre_tax_item_amount).with_value(order.pre_tax_item_amount.to_s)
     expect(json_response['data']).to have_attribute(:display_pre_tax_item_amount).with_value(order.display_pre_tax_item_amount.to_s)
+    expect(json_response['data']).to have_attribute(:pre_tax_total).with_value(order.pre_tax_total.to_s)
+    expect(json_response['data']).to have_attribute(:display_pre_tax_total).with_value(order.display_pre_tax_total.to_s)
     expect(json_response['data']).to have_relationships(:user, :line_items, :variants, :billing_address, :shipping_address, :payments, :shipments, :promotions)
   end
 end