Lively smash-burger spot with showy cheese ring and big portions; great burgers, mixed fries, cash-only policy, and occasional service delays—go for the signature burgers and bring cash.
Hotline 5 delivers solid burger-focused dining with strong food quality and friendly, attentive service that earn a grade B+ standing. However, inconsistent execution on fries and timing during peak hours prevents higher grades, and the cash-only policy creates practical friction for modern diners. The lively Wiedner Hauptstraße location and generous portions make it competitive with Vienna's better neighborhood burger spots, though it lacks the polish or distinction of premier dining destinations.
One caveat: Cash-only payment reported across many reviews; nearby ATM walk required for some