diff --git a/python/plugins/processing/algs/gdal/buildvrt.py b/python/plugins/processing/algs/gdal/buildvrt.py
index 893df01dfe3..26c2fd26cda 100644
--- a/python/plugins/processing/algs/gdal/buildvrt.py
+++ b/python/plugins/processing/algs/gdal/buildvrt.py
@@ -55,6 +55,7 @@ class buildvrt(GdalAlgorithm):
     ASSIGN_CRS = 'ASSIGN_CRS'
     RESAMPLING = 'RESAMPLING'
     SRC_NODATA = 'SRC_NODATA'
+    EXTRA = 'EXTRA'
 
     def __init__(self):
         super().__init__()
@@ -131,6 +132,13 @@ class buildvrt(GdalAlgorithm):
         src_nodata_param.setFlags(src_nodata_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
         self.addParameter(src_nodata_param)
 
+        extra_param = QgsProcessingParameterString(self.EXTRA,
+                                                   self.tr('Additional command-line parameters'),
+                                                   defaultValue=None,
+                                                   optional=True)
+        extra_param.setFlags(extra_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
+        self.addParameter(extra_param)
+
         self.addParameter(ParameterVrtDestination(self.OUTPUT, QCoreApplication.translate("ParameterVrtDestination", 'Virtual')))
 
     def name(self):
@@ -172,6 +180,10 @@ class buildvrt(GdalAlgorithm):
             nodata = self.parameterAsString(parameters, self.SRC_NODATA, context)
             arguments.append('-srcnodata "{}"'.format(nodata))
 
+        if self.EXTRA in parameters and parameters[self.EXTRA] not in (None, ''):
+            extra = self.parameterAsString(parameters, self.EXTRA, context)
+            arguments.append(extra)
+
         # Always write input files to a text file in case there are many of them and the
         # length of the command will be longer then allowed in command prompt
         list_file = GdalUtils.writeLayerParameterToTextFile(filename='buildvrtInputFiles.txt', alg=self, parameters=parameters, parameter_name=self.INPUT, context=context, executing=executing, quote=False)
diff --git a/python/plugins/processing/tests/GdalAlgorithmsTest.py b/python/plugins/processing/tests/GdalAlgorithmsTest.py
index 4e51fc8cb06..4a6a5963b3a 100644
--- a/python/plugins/processing/tests/GdalAlgorithmsTest.py
+++ b/python/plugins/processing/tests/GdalAlgorithmsTest.py
@@ -1084,162 +1084,127 @@ class TestGdalAlgorithms(unittest.TestCase, AlgorithmsTestBase.AlgorithmsTest):
         alg.initAlgorithm()
 
         with tempfile.TemporaryDirectory() as outdir:
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
-
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'RESOLUTION': 2,
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution lowest', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
-
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'SEPARATE': False,
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-separate', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
-
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'PROJ_DIFFERENCE': True,
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-allow_projection_difference', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
-
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'ADD_ALPHA': True,
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
-
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'ASSIGN_CRS': 'EPSG:3111',
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertIn('-a_srs EPSG:3111', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
+            # defaults
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
+            # custom resolution
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'RESOLUTION': 2,
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution lowest -separate -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
+            # single layer
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'SEPARATE': False,
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
+            # projection difference
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'PROJ_DIFFERENCE': True,
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -allow_projection_difference -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
+            # add alpha band
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'ADD_ALPHA': True,
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -addalpha -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
+            # assign CRS
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'ASSIGN_CRS': 'EPSG:3111',
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -a_srs EPSG:3111 -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
 
             custom_crs = 'proj4: +proj=utm +zone=36 +south +a=6378249.145 +b=6356514.966398753 +towgs84=-143,-90,-294,0,0,0,0 +units=m +no_defs'
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'ASSIGN_CRS': custom_crs,
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertIn('-a_srs EPSG:20936', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'ASSIGN_CRS': custom_crs,
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -a_srs EPSG:20936 -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
+            # source NODATA
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'SRC_NODATA': '-9999',
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -r nearest -srcnodata "-9999" ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
 
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'RESAMPLING': 4,
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r lanczos', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'SRC_NODATA': '-9999 9999',
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -r nearest -srcnodata "-9999 9999" ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
 
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'SRC_NODATA': '-9999',
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-srcnodata "-9999"', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
-
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'SRC_NODATA': '-9999 9999',
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertIn('-srcnodata "-9999 9999"', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
-
-            commands = alg.getConsoleCommands({'LAYERS': [source],
-                                               'SRC_NODATA': '',
-                                               'OUTPUT': outdir + '/test.vrt'}, context, feedback)
-            self.assertEqual(len(commands), 2)
-            self.assertEqual(commands[0], 'gdalbuildvrt')
-            self.assertIn('-resolution average', commands[1])
-            self.assertIn('-separate', commands[1])
-            self.assertNotIn('-allow_projection_difference', commands[1])
-            self.assertNotIn('-add_alpha', commands[1])
-            self.assertNotIn('-a_srs', commands[1])
-            self.assertIn('-r nearest', commands[1])
-            self.assertNotIn('-srcnodata', commands[1])
-            self.assertIn('-input_file_list', commands[1])
-            self.assertIn(outdir + '/test.vrt', commands[1])
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'SRC_NODATA': '',
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -r nearest ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
+            # additional parameters
+            cmd = alg.getConsoleCommands({'INPUT': [source],
+                                          'EXTRA': '-overwrite -optim RASTER -vrtnodata -9999',
+                                          'OUTPUT': outdir + '/check.vrt'}, context, feedback)
+            t = cmd[1]
+            cmd[1] = t[:t.find('-input_file_list') + 17] + t[t.find('buildvrtInputFiles.txt'):]
+            self.assertEqual(cmd,
+                             ['gdalbuildvrt',
+                              '-resolution average -separate -r nearest -overwrite -optim RASTER -vrtnodata -9999 ' +
+                              '-input_file_list buildvrtInputFiles.txt ' +
+                              outdir + '/check.vrt'])
 
     def testGdalInfo(self):
         context = QgsProcessingContext()