The capital of corrida and flamenco is not the cheapest place in Spain but for sure worth to see becouse of the unique atmosphere.The following is what we found out about the costs of living in Sevilla (updated 2006):

In a supermarket:
• Bread - 0.50€
• Milk - 0.60€
• Water (1,5l) - 0.40€

Eating out:
• Big Mac Menu - 4.10€
• Hamburger (in a spanish bar) - 2.50€
• Coffee with milk - 1.20€ - 2.50€
• Snacks (Tapas) - 1.00€ (often free if you order a drink)
• Beer - 1.30€
• Glass of vine - 1.30€
• Dinner in a restaurant - 20.00€

Disco:
• Coca cola - 3.00€
• Beer - 3.00€ - 12€
• Shot - 1.30€
• Long drink - 5.00€ - 7.00€

Cultural and sport events:
• Cinema - 5.00€
• Theatre - 15.00€
• Swimming pool (1 hour) - 3.00€
• Gym (1 month) - 20.00-40.00€

Transport:
• Bus (center) - 1.00€
• Taxi (center) - 5.00-7.00€
• By horse and carriage (per hour) - 35.00€
• Rent a car (per day) - 40.00€

Others:
• Newspaper - 1.00€
• Magazine - 4.00€
• Cigarettes (Malboro) - 3.15€