Which has more caffeine, Pepsi or Mountain Dew?

Mountain Dew contains significantly more caffeine with 54mg per 12oz serving compared to Pepsi's 38mg—a 42% difference. This makes Mountain Dew the choice for consumers seeking higher energy content, while Pepsi offers a more moderate caffeine level suitable for all-day consumption.

What's the sugar difference between Pepsi and Mountain Dew?

Pepsi contains 41g of sugar per 12oz serving while Mountain Dew contains 46g, a difference of 5g (12% more in Mountain Dew). For health-conscious consumers, Pepsi's lower sugar content is an advantage, though both brands offer zero-sugar alternatives like Pepsi Zero Sugar and Mountain Dew Zero Sugar.

Why is Mountain Dew popular with gamers and extreme sports fans?

Mountain Dew has intentionally positioned itself in gaming and extreme sports culture through sponsorships (esports tournaments, X Games), bold marketing campaigns, and its distinctive citrus flavor profile that appeals to younger demographics. The brand's limited-edition launches and daring flavor innovations reinforce this youth-oriented identity, unlike Pepsi's broader family-focused positioning.

What new products did Pepsi and Mountain Dew launch in 2026?

Pepsi launched prebiotic colas, reformulated Muscle Milk, and Starbucks Coffee + Protein drinks targeting health and fitness consumers. Mountain Dew released 'Dirty Mountain Dew Cream Soda' and the limited-edition 'American Dew' rebrand with patriotic red, white, and blue packaging available through summer 2026, appealing to nostalgic and novelty-seeking consumers.

Which drink has the larger market share in 2026?

Pepsi dominates with 7.97% US market share, making it the second-largest soft drink behind Coca-Cola. Mountain Dew holds 6.1% market share, ranking it below Pepsi but still in the top 10 soft drinks nationally. Pepsi's higher market share reflects its broader appeal across all demographics.

Pepsi vs Mountain Dew

Updated May 9, 2026

Pepsi

PepsiCo's flagship cola drink with 7.97% US market share and balanced taste profile

Consumers seeking traditional cola taste, families, health-conscious drinkers wanting lower sugar options, and those who appreciate brand variety

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Mountain Dew

PepsiCo's citrus-based energy drink with 6.1% market share and 54mg caffeine per serving

Youth and young adults, extreme sports enthusiasts, gamers, consumers seeking high caffeine, and those who prefer bold citrus flavors over traditional cola

Short Answer

Pepsi is the second-largest soft drink in America with 7.97% market share and a classic cola flavor, while Mountain Dew is a citrus-based energy drink with 6.1% market share positioned for extreme sports enthusiasts. Pepsi dominates in overall market presence, while Mountain Dew appeals to consumers seeking higher caffeine and bold citrus taste.

Our Verdict

Choose Pepsi if you prefer a balanced cola taste, larger product variety (including snacks), and lower sugar content—it dominates the broader market with wider appeal. Choose Mountain Dew if you want higher caffeine content, bold citrus flavor, and appeal to active/extreme sports culture with unique limited-edition offerings like the 2026 American Dew rebrand.

Pepsi8

7Mountain Dew

Choose Pepsi if

Consumers seeking traditional cola taste, families, health-conscious drinkers wanting lower sugar options, and those who appreciate brand variety

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Key Differences at a Glance

🔹

Market Share in US (2026): Pepsi wins (7.97% vs 6.1%)

🔹

Caffeine Content per 12oz: Mountain Dew wins (54mg vs 38mg)

🔹

Primary Flavor Profile: Cola (traditional) vs Citrus (lemon-lime blend)

See all 7 differences

Key Facts & Figures

Metric	Pepsi	Mountain Dew	Diff
Soda Market Share	25%	—	—
Parent Company Revenue(USD)	$91 Billion	—	—
US Market Share(%)	7.97%	6.1%	+31%
Caffeine Content per 12oz Serving(mg)	38mg	54mg

Key Differences

Pepsi

Attribute

Mountain Dew

7.97%🏆

Market Share in US (2026)

6.1%

38mg

Caffeine Content per 12oz

54mg🏆

Cola (traditional)

Primary Flavor Profile

Citrus (lemon-lime blend)

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Last updated: May 9, 2026AI generated

Market Share in US (2026)

Pepsi

7.97%🏆

Mountain Dew

6.1%

Caffeine Content per 12oz

Pepsi

38mg

Mountain Dew

54mg🏆

Primary Flavor Profile

Pepsi

Cola (traditional)

Mountain Dew

Citrus (lemon-lime blend)

Target Demographic

Pepsi

General consumers, families

Mountain Dew

Youth, extreme sports enthusiasts

Sugar Content per 12oz

Pepsi

41g🏆

Mountain Dew

46g

2026 Brand Innovations

Pepsi

Prebiotic colas, protein drinks

Mountain Dew

Dirty Cream Soda, American Dew rebrand

Company Portfolio Diversity

Pepsi

Beverages + snacks/foods🏆

Mountain Dew

Beverages only (PepsiCo brand)

Full Comparison

Attribute	Pepsi	Mountain Dew

Soda Market Share	25%	—

Parent Company Revenue(USD)	$91 Billion	—

US Market Share(%)	7.97%	6.1%

Caffeine Content per 12oz Serving(mg)	38mg	54mg
Sugar Content per 12oz Serving(g)	41g	46g
Caloric Content per 12oz(kcal)	150 kcal	170 kcal

Flavor Category	Cola (traditional brown cola)	Citrus (lemon-lime blend)

Target Age Demographic	All ages (family-oriented)	13-35 years old (youth/sports)

Number of Flavor Variants (2026)(count)	8+ variants	12+ variants

Parent Company Market Cap Focus	Beverages + Snacks (diversified)	Beverages only (within PepsiCo)

Pepsi

Mountain Dew

Soda Market Share

25%

—

Parent Company Revenue(USD)

$91 Billion

—

US Market Share(%)

7.97%

6.1%

Caffeine Content per 12oz Serving(mg)

38mg

54mg

Sugar Content per 12oz Serving(g)

41g

46g

Caloric Content per 12oz(kcal)

150 kcal

170 kcal

Flavor Category

Cola (traditional brown cola)

Citrus (lemon-lime blend)

Target Age Demographic

All ages (family-oriented)

13-35 years old (youth/sports)

Number of Flavor Variants (2026)(count)

8+ variants

12+ variants

Parent Company Market Cap Focus

Beverages + Snacks (diversified)

Beverages only (within PepsiCo)