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

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
| Attribute | BMW 3 Series | Mercedes-Benz C-Class |
|---|---|---|
| Starting MSRP | $46,675 | $49,100 |
| MSRP + destination | $47,670 | $50,250 |
| Fuel economy / range | 25/34 city/hwy | 26/36 city/hwy |
| Horsepower | 255 hp | 255 hp |
| Seating | 5 | 5 |
| Body type | Mid-Size Sedan | Compact Luxury Sedan |
| Powertrains | 2.0L Turbo I4, 3.0L Turbo I6 | 2.0L Inline-4 Turbo with Mild Hybrid, Plug-in Hybrid (C 350e) |