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BMW 3 Series vs Mercedes-Benz C-Class: Which to Buy

Carummah Editorial
Last updated: November 4, 2026
BMW 3 Series vs Mercedes-Benz C-Class

BMW 3 Series starts at $46,675; the Mercedes-Benz C-Class starts at $49,100. Before taxes and fees, the BMW 3 Series is $2,580 less.

Frequently Asked Questions

Is the BMW 3 Series or the Mercedes-Benz C-Class cheaper?

The BMW 3 Series costs less to start. BMW 3 Series: $46,675 plus $995 destination. Mercedes-Benz C-Class: $49,100 plus $1,150 destination. Taxes, title and registration are on top of both.

Which gets better fuel economy, the BMW 3 Series or the Mercedes-Benz C-Class?

The BMW 3 Series is rated 25/34 city/hwy, and the Mercedes-Benz C-Class is rated 26/36 city/hwy. Real-world results depend on how and where you drive.

How many people does each seat?

The BMW 3 Series seats 5. The Mercedes-Benz C-Class seats 5.

What are the trade-offs between the two?

BMW 3 Series: Engaging and class-leading driving dynamics, though steep monthly payment for the segment. Mercedes-Benz C-Class: Ultra-modern interior with top-tier screen technology, though steering wheel touch controls can be frustrating to use.

BMW 3 Series is best for

BMW 3 Series is the better fit for mid-size sedan buyers who commute daily. Its standout: engaging and class-leading driving dynamics.

Mercedes-Benz C-Class is best for

Mercedes-Benz C-Class is the better fit for compact luxury sedan buyers who commute daily. Its standout: ultra-modern interior with top-tier screen technology.

Spec-by-Spec Comparison

AttributeBMW 3 SeriesMercedes-Benz C-Class
Starting MSRP$46,675$49,100
MSRP + destination$47,670$50,250
Fuel economy / range25/34 city/hwy26/36 city/hwy
Horsepower255 hp255 hp
Seating55
Body typeMid-Size SedanCompact Luxury Sedan
Powertrains2.0L Turbo I4, 3.0L Turbo I62.0L Inline-4 Turbo with Mild Hybrid, Plug-in Hybrid (C 350e)

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