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Mazda · Full-Size SUV · 2007–2015

Mazda CX-9 TB

Weaknesses, engine ratings and buying advice

★★★★★
1.0 / 5.0 · Based on 1 engine variants

Engine Overview

The Mazda CX-9 TB is available with one engine variant at 277 hp.

3.7L V6 · Benziner· 277 PS
2007 2015
Stay Away! 6 weaknesses
Show all weaknesses →

The Mazda 3.7L V6 (Benziner, 277 PS) has the CAY1 (3.7L V6) — rated: "Stay Away!", 6 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!Warped Front Brake Discs

Front brake discs on the CX-9 warp under heavy braking loads. Centrally rusted and warped discs have been found at around 55,000 km. After two resurfacing operations, replacement is due.

Symptoms: Brake pedal pulsating when braking, steering wheel vibrating under braking force, brakes feeling uneven
from 55,000 km
Ad brake disc front Mazda CX-9 TBbrake pads CX-9 3.7 V6Bremsen CX-9 TB
 Low
NHTSA Owner Complaints
Below Average
1,056 complaints · 2007–2015
Brakes
416 ⚠ 19
Suspension
144 ⚠ 8
Airbags
139 ⚠ 13
Engine
128 ⚠ 1
Powertrain
125 ⚠ 1

Top Reported Issues

⚠ Brakes (416 complaints)
⚠ Suspension (144 complaints)
⚠ Airbags (139 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 14 weaknesses have been documented for the Mazda CX-9 TB (2007–2015) — 6 engine-related and 8 vehicle-related. One problem engine: CAY1 (3.7L V6). Typical issues affect Brakes, Suspension, Electronics, Body.

CX-9 (CAY1, 2007–2015) — Stay Away!: Internal Water Pump Failure, Transfer Case (PTU) Overheats and Fails, Brake Booster Failure. Power: 277 PS.

What to watch out for with the Mazda CX-9? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Mazda CX-9 TB have? +
The Mazda CX-9 TB has 6 known engine weaknesses and 8 vehicle weaknesses.
What should I look for when buying a used Mazda CX-9 TB? +
faq.watch_a_avoid
Which engine is recommended? +
None of the available engines are rated 'Good Choice'. Stay away! The most fun to drive is the CAY1 (3.7L V6). Problem engine: CAY1 (3.7L V6) — stay away!
Which Mazda CX-9 TB engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Mazda CX-9 TB — rated: "Decent". {description} The strong turbocharged engine moves the large SUV with authority. The direct steering is a pleasant surprise, but ultimately it's a comfortable touring car.
Is the Mazda CX-9 TB worth buying used? +
Caution is advised with the Mazda CX-9 TB — 1 of 1 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Mazda CX-9 TB? +
The Mazda CX-9 TB is available with engine variants from 277 to 277 hp. Petrol: CAY1 (3.7L V6).

Last updated: February 2026 · All information without guarantee