Mix zucchini, celery, red onion, and bell pepper in a bowl.
Whisk sugar, rice vinegar, water, both amounts of vegetable oil, wine vinegar, basil, salt, and black pepper together in a separate bowl. Drizzle dressing over zucchini mixture; toss to coat. Refrigerate until chilled, 1 to 2 hours.
All done! Now take a photo, rate it, and share your accomplishments!