New Mexico CDL Practice Test — General Knowledge, Air Brakes & Endorsements (2026)
New Mexico does not offer a temporary CDL permit; applicants must obtain a full Commercial Driver's License. CDL applicants must pass a 50-question written knowledge test covering federal and state regulations, vehicle operation, and safety procedures. A passing score of at least 80% is required. Additional endorsements are available for hazardous materials, tanker vehicles, and passenger transport. CDL testing is conducted in-person at MVD offices and applicants must be at least 18 years old to apply.
Sample New Mexico CDL Practice Test Questions & Official Manual Citations (2026)
Below are 4 real sample questions from our New Mexico cdl practice test bank. Every question in PassMyDMV cites the exact page and rule in the official New Mexico manual so you understand the law behind every answer:
Sample Question 1 · Cdl Vehicle Classification
Official New Mexico Manual · Chapter 1 · Page 7
What is the minimum gross vehicle weight rating (GVWR) that requires a CDL to operate a single vehicle?
- A. 30,000 pounds or more
- B. 25,001 pounds or more
- C. 26,001 pounds or more Correct
- D. 27,001 pounds or more
Why C. 26,001 pounds or more is correct: Federal law requires a CDL for any single vehicle with a GVWR of 26,001 pounds or more. This is the minimum threshold established for commercial motor vehicle regulation. [Manual: Pages 7-12 — Introduction, p. 7]
Manual excerpt (Official New Mexico Manual · Chapter 1 · Page 7): “Any single vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more.”
Sample Question 2 · Cdl Endorsements
Official New Mexico Manual · Chapter 1 · Page 8
How many kinds of CDL endorsements may be required depending on the vehicle or type of cargo?
- A. Eight endorsements
- B. Five endorsements
- C. Six endorsements Correct
- D. Four endorsements
Why C. Six endorsements is correct: According to the manual, there are six kinds of CDL endorsements that may be required: Tank vehicle, Passenger, School bus, Hazardous materials, Doubles/Triples, and Combination hazmat/tank vehicle. The specific endorsements required depend on the vehicle type and cargo being transported. [Manual: Pages 7-12 — Introduction, p. 8]
Manual excerpt (Official New Mexico Manual · Chapter 1 · Page 8): “There are six kinds of CDL endorsements that may be required, depending on the vehicle or type of cargo.”
Sample Question 3 · Clp Endorsement Restrictions
Official New Mexico Manual · Chapter 1 · Page 8
Which endorsements are the ONLY ones that may be added to a Commercial Learner's Permit (CLP)?
- A. Tank vehicle, Hazardous materials, and Doubles/Triples
- B. Passenger, Hazardous materials, and School bus
- C. Passenger, School bus, and Tank vehicle Correct
- D. All six endorsements can be added to a CLP
Why C. Passenger, School bus, and Tank vehicle is correct: The manual specifically states that only Passenger (P), School bus (S), and Tank vehicle (N) endorsements may be added to a Commercial Learner's Permit. Other endorsements require a full CDL. This restriction limits the operations a CLP holder can perform until they obtain their CDL. [Manual: Pages 7-12 — Introduction, p. 8]
Manual excerpt (Official New Mexico Manual · Chapter 1 · Page 8): “NOTE: The only endorsements that may be added to a Commercial Learner's Permit (CLP) are: - Passenger (P); - School bus (S); and - Tank vehicle (N).”
Sample Question 4 · Steering System Inspection
Official New Mexico Manual · Chapter 1 · Page 9
What is the maximum steering wheel play that is acceptable in a commercial vehicle?
- A. 15 degrees or less
- B. 5 degrees or less
- C. More than 10 degrees (more than 2 inches at the rim)
- D. 10 degrees or less (approximately 2 inches at the rim) Correct
Why D. 10 degrees or less (approximately 2 inches at the rim) is correct: A steering wheel with more than 10 degrees of play (approximately 2 inches of movement at the rim of a 20-inch steering wheel) can make it hard to steer the vehicle safely. Excessive steering play is a safety defect that must be addressed before operating a commercial motor vehicle. [Manual: Pages 7-12 — Introduction, p. 9]
Manual excerpt (Official New Mexico Manual · Chapter 1 · Page 9): “Any combination of vehicles with gross combination weight rating This Section Covers (GCWR) of 26,001 or more pounds falls in Group A provided the GVWR of the vehicle(s) being towed is • Commercial Driver License Tests more than 10,000 pounds.”
Most-Tested New Mexico CDL Practice Test Topics in Our 615-Question Bank
Our New Mexico cdl practice test bank contains 615 active multiple-choice questions written directly from the official New Mexico handbook. Here is how those questions break down across the core exam topics:
Frequently Asked Questions: New Mexico CDL Practice Test
All New Mexico DMV Practice Tests & Study Guides
- New Mexico DMV Practice Test Hub (Car, Motorcycle & CDL overview)
- New Mexico Car Learner’s Permit Practice Test (843 questions)
- New Mexico Motorcycle Permit Practice Test (346 questions)
- New Mexico CDL Commercial Practice Test (615 questions)
- New Mexico Road Signs & Traffic Signals Practice Test (200 questions)
- Official New Mexico Driver Manual Table of Contents & PDF Handbook
- How to Get Your New Mexico Driver License: 2026 Step-by-Step Guide
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