Unlock Consumer Report’s ratings and test results today.
Become a MemberSee how the 2026 Mercedes-Benz C-Class and 2026 BMW 3 Series performed in our rigorous, independent road tests. Our experts evaluate hundreds of vehicles annually at our 327-acre testing facility, putting each model through over 50 data-driven assessments—including braking, emergency handling, fuel economy, and cabin noise. Review our side-by-side comparison of tested specifications, real-world fuel efficiency, and crash-test safety ratings to see which is the best for reliability, performance, and more.
CR membership is here to help you buy smarter, own with confidence, and save every day—so you can spend your hard-earned money on cars and products that really work and are proven to last.
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Auto Test Center
TESTING LIKE NOBODY ELSE
50+
tests are conducted on every car we buy.
PERFORMANCE TESTING
6
miles of track for testing acceleration, ride, handling, braking, and advanced driver assist systems.
TIRE TESTING
400
tires tested a year for all-weather grip and rolling resistance.
