2 Liters of Coke has 300mg of caffeine. That's right about 4 shots of Starbucks espresso, one 16oz cup of Starbucks drip brew, or two regular coffee (non starb

2 Liters of Coke has 300mg of caffeine. That's right about 4 shots of Starbucks espresso, one 16oz cup of Starbucks drip brew, or two regular coffee (non starbucks) drip brew.