Oct 23 (Reuters) - Tesla Inc (TSLA.O) has increased the price of its Model X Long Range and Model S Long Range variants by $5,000, the electric-car maker"s website showed on Saturday. The Model X Long Range and Model S Long Range now sell for $104,990 and $94,990 respectively. Prices for the Model Y Long Range and Model 3 Standard Range Plus rose by $2,000, to $56,990 and $43,990 respectively, according to the website.