Whisk 2 tablespoons vinegar, 1 tablespoon oil, 1½ teaspoons lemon juice, ½ teaspoon sugar, ¼ teaspoon salt and ¼ teaspoon pepper in a large bowl.
Add grated carrots; toss well to combine.
Cover and refrigerate for at least 2 hours.
Serve chilled or let stand at room temperature for 15 minutes before serving.
