diff --git a/google-cloud-core/src/main/java/com/google/cloud/BaseServiceException.java b/google-cloud-core/src/main/java/com/google/cloud/BaseServiceException.java
index 470c2cf9a8b4..a0058a2e3f2b 100644
--- a/google-cloud-core/src/main/java/com/google/cloud/BaseServiceException.java
+++ b/google-cloud-core/src/main/java/com/google/cloud/BaseServiceException.java
@@ -214,12 +214,27 @@ public boolean isRetryable(boolean idempotent, Set<Error> retryableErrors) {
 
     @Override
     public String toString() {
-      return MoreObjects.toStringHelper(this).add("code", code).add("reason", reason).toString();
+      return MoreObjects.toStringHelper(this)
+          .add("code", code)
+          .add("reason", reason)
+          .add("rejected", rejected)
+          .toString();
     }
 
     @Override
     public int hashCode() {
-      return Objects.hash(code, reason);
+      return Objects.hash(code, reason, rejected);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+      if (!(obj instanceof Error)) {
+        return false;
+      }
+      Error o = (Error) obj;
+      return Objects.equals(code, o.code)
+          && Objects.equals(reason, o.reason)
+          && Objects.equals(rejected, o.rejected);
     }
   }
 
diff --git a/google-cloud-core/src/test/java/com/google/cloud/BaseServiceExceptionTest.java b/google-cloud-core/src/test/java/com/google/cloud/BaseServiceExceptionTest.java
index 5c5773d26f17..fed2faa88318 100644
--- a/google-cloud-core/src/test/java/com/google/cloud/BaseServiceExceptionTest.java
+++ b/google-cloud-core/src/test/java/com/google/cloud/BaseServiceExceptionTest.java
@@ -17,6 +17,7 @@
 package com.google.cloud;
 
 import static com.google.cloud.BaseServiceException.UNKNOWN_CODE;
+import static com.google.common.truth.Truth.assertThat;
 import static org.easymock.EasyMock.createMock;
 import static org.easymock.EasyMock.expect;
 import static org.easymock.EasyMock.replay;
@@ -132,4 +133,19 @@ public void testTranslateAndThrow() throws Exception {
       verify(exceptionMock);
     }
   }
+
+  @Test
+  public void testError_Equal() {
+    BaseServiceException.Error error = new BaseServiceException.Error(0, "reason", true);
+    assertThat(error).isEqualTo(error);
+    assertThat(error.hashCode()).isEqualTo(error.hashCode());
+
+    BaseServiceException.Error sameError = new BaseServiceException.Error(0, "reason", true);
+    assertThat(error).isEqualTo(sameError);
+    assertThat(error.hashCode()).isEqualTo(sameError.hashCode());
+
+    BaseServiceException.Error error2 = new BaseServiceException.Error(1, "other reason", false);
+    assertThat(error).isNotEqualTo(error2);
+    assertThat(error.hashCode()).isNotEqualTo(error2.hashCode());
+  }
 }