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AAMC MCAT Official Prep CARS Diagnostic Tool (Online)

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This section-specific diagnostic tool helps you identify areas of strengths and weaknesses as you prepare for the Critical Analysis and Reasoning Skills (CARS) section of the MCAT exam. This product is also included in the MCAT Official Prep Complete Bundle and MCAT Official Prep Online-Only Bundle.


Compare all MCAT Official Prep products. 


The AAMC will start collecting and remitting applicable state and local sales tax on the sale of this product in November. Learn more

AAMC MCAT Official Prep CARS Diagnostic Tool (Online)
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Created by the developers of the MCAT exam, the CARS Diagnostic Tool includes 28 passage sets with questions to help you improve your critical analysis and reasoning skills. This product allows you to:

  • Watch video walkthroughs of how to approach answering two example CARS passage sets.
  • View the answers and the test developers’ solutions right away or later.
  • Read explanations for all answer choices in addition to explanations for how each question assesses a critical analysis and reasoning skill.
  • Highlight content from the passages and questions, and review your highlighted content later using the built-in highlight tool.
  • Add and review flags and notes to your answered questions.
  • View score reports to help you evaluate your performance in each skill category.
  • Compare your performance on every attempt of the passage sets by comparing all your previous score reports. Each MCAT Official Prep product allows an unlimited number of attempts.
  • Review strategies to help you improve your critical analysis and reasoning skills.

Please note that the AAMC Fee Assistance Program includes free access to all MCAT Official Prep online products. Review eligibility requirements.       


All sales are final for AAMC MCAT Official Prep products. No refunds or exchanges will be issued.

If you plan to take a test preparation course, check with the course administrator before purchasing this product as access to MCAT Official Prep products may be included in your course.

The AAMC MCAT Official Prep Hub Terms and Conditions apply to the purchase and use of this product. You will have unlimited access to this MCAT Official Prep product for 365 days from date of purchase. You are restricted from sharing access or the content of this product with any third party. This product is not intended for individual resale.

Access this MCAT Official Prep product immediately upon purchase at the AAMC MCAT Official Prep Hub. If you are purchasing on behalf of someone else, the recipient will receive an email with instructions on how to access their product.

The AAMC accepts Visa®, MasterCard®, American Express®, and Discover®.    


This product is accessible online using a device with secure access to the internet. Practice products are mobile optimized and accessible via browser on your mobile or tablet device. This product is fully functional using a browser on a mobile or tablet device although the experience may vary slightly to accommodate the smaller screen sizes.

Web browser requirements* (Windows & Mac):

  • Google Chrome (recommended browser) *
  • Safari*
  • Firefox*
  • Microsoft Edge

*The current version of the browser and up to two previous versions. 


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