2012 Mazda CX-7 problems
The 2012 Mazda CX-7 was sold with 2 engines that we have documented: the MZR-CD and the 2.3 MZR DISI Turbo. All of them have serious faults that affect the cars of that year. The safest option is the 2.3 MZR DISI Turbo (verdict “With caution”). Outside the engine, one documented fault affects 2012 cars, such as lower front suspension ball joint that can seize or break through corrosion.
_Classic_wagon_(2010-06-17)_01.jpg){kind=link}
2012 Mazda CX-7 score: acceptable reliability
Calculated using only 8 documented faults and their sources: the most serious and frequent faults weigh more. How it is calculated
- Engine3.6From 3.6 to 3.7 depending on the engine
- Gearbox10.0No documented faults
- Suspension7.11 fault and ITV (technical inspection)
- Brakes7.0Technical inspection (ITV) only: 1.2 times the defects normal for its age
- Tyres and wheels10.0No documented faults
- Steering5.9Technical inspection (ITV) only: 1.6 times the defects normal for its age
- Electrical system10.0No documented faults
- Headlights and lights7.5Technical inspection (ITV) only: 1.0 times the defects normal for its age
- Electronics and infotainment10.0No documented faults
- Climate control10.0No documented faults
- Bodywork and interior8.6Technical inspection (ITV) only: 0.6 times the defects normal for its age
- Airbags and safety10.0No documented faults
What changes compared with the 2011 Mazda CX-7
- Score: 5.0 → 5.3
- No longer affected by: premature wear of the brake discs and pads (rest of the car), play in the steering ball joints (rest of the car) and electronic faults in the tyre pressure monitoring system (rest of the car)
MZR-CD engine in the 2012 Mazda CX-7
Names: CX-7 2.2 CD173
- With caution
2.2 MZR-CD 125-185 (R2, 2008-2013)
125–185 hp · R2
It retains the 2.0's sensitivity to oil dilution and carbon build-up, and adds a problem of its own: fiches-auto.fr and gebrauchtwagenberater.de independently document timing chain stretch as a known weak point on the Mazda6 and Mazda3. Check that there is no chain noise when cold and review the service history.[2][3][4][5]
Faults that affect 2012 cars
- Critical severityFrequency: CommonTimingTiming chain stretch on the 2.2 MZR-CDThe 2.2-litre redesign (2008-2013) replaced the 2.0's belt with a timing chain that, according to fiches-auto.fr and gebrauchtwagenberater.de, stretches more than expected on the Mazda6 and Mazda3, and, being the same engine, presumably on the CX-7 too; a rattle when cold is the first warning.
- High severityFrequency: CommonLubricationOil dilution from leaking injector seals and DPF regenerationsOn the 2.0 and 2.2 MZR-CD, injector seals that age badly and incomplete particulate filter regenerations on short journeys can let unburnt diesel into the sump, diluting the oil and leaving the engine with less lubrication.
- High severityFrequency: OccasionalTurboTurbocharger wear or failureThe MZR-CD's variable-geometry turbo appears among the faults cited by Mazda6 and Mazda3 owners, with cases of whistling, loss of boost pressure and, in one documented case, a repair of over €3,600 in France; it tends to be made worse if the oil has previously been diluted.
- Medium severityFrequency: CommonIntakeCarbon on the injectors, EGR valve and intakeUrban use and short journeys encourage carbon to build up on the injectors, EGR valve and intake of the MZR-CD, with loss of power and jerking; documented on the Mazda6 and Mazda3, on both the 2.0 and the 2.2.
2.3 MZR DISI Turbo engine in the 2012 Mazda CX-7
Names: Mazda CX-7 2.3 DISI Turbo
- With caution
2.3 MZR DISI Turbo (L3-VDT, 2010-2013)
256–263 hp · L3-VDT
The design is improved, but there is no data confirming how much it reduced turbo failures and sludge; still ask for the oil service history.[7][8]
Faults that affect 2012 cars
- Critical severityFrequency: CommonTimingTiming chain stretch and VVT actuator failure on the 2.3 DISI TurboThe 2.3 DISI Turbo's timing chain and its tensioner wear sooner than expected, especially on pre-2010 units: a rattle when cold is the warning, and if it fails it can damage the engine.Appears at around 100,000 km
- High severityFrequency: CommonTurboPremature turbocharger wear from poor lubrication on the 2.3 DISI TurboThe 2.3 DISI Turbo's turbo, with faults documented mainly on the CX-7, wears out through poor lubrication and causes blue smoke, loss of power and oil consumption; replacing it costs around €2,200 in Spain.Repair (garage): €2,200Appears at around 100,000 km
- Medium severityFrequency: OccasionalLubricationOil consumption and sludge in the 2.3 DISI Turbo engineThe 2.3 DISI Turbo can burn oil and build up sludge if service intervals are stretched; the sludge blocks the turbo's passages and speeds up wear on the turbo and the timing.
Faults outside the engine in the 2012 Mazda CX-7
Buying a 2012 Mazda CX-7?
We will put you in touch with a partner only if you authorise it in the form.
Frequently asked questions
Is the 2012 Mazda CX-7 reliable?
The 2012 Mazda CX-7 was sold with 2 engines that we have documented: the MZR-CD and the 2.3 MZR DISI Turbo. All of them have serious faults that affect the cars of that year. The safest option is the 2.3 MZR DISI Turbo (verdict “With caution”). Outside the engine, one documented fault affects 2012 cars, such as lower front suspension ball joint that can seize or break through corrosion.
Is the 2012 Mazda CX-7 better than the 2011?
Our score goes from 5.0 in 2011 to 5.3 in 2012. No longer affected by: premature wear of the brake discs and pads (rest of the car), play in the steering ball joints (rest of the car) and electronic faults in the tyre pressure monitoring system (rest of the car).
What is the best year for the Mazda CX-7?
According to our score, the best is 2012 (5.3/10). The year with the worst score is 2009 (4.7/10). Each year's score counts only the engines sold that year and the faults that affect those cars.
What faults does the 2012 Mazda CX-7 have?
The most important ones documented for 2012 cars are: timing chain stretch on the 2.2 MZR-CD (MZR-CD, critical severity), timing chain stretch and VVT actuator failure on the 2.3 DISI Turbo (2.3 MZR DISI Turbo, critical severity), lower front suspension ball joint that can seize or break through corrosion (suspension, critical severity), oil dilution from leaking injector seals and DPF regenerations (MZR-CD, high severity) and turbocharger wear or failure (MZR-CD, high severity).
Own a 2012 Mazda CX-7? Tell us what faults you have had and at how many kilometres. Report your fault.
Sources
Every fact on this page links to its source. If you find an error, let us know.
- Mazda CX-7Wikipedia (alemán) · Other source · consulted 27 September 2026 · in German
- Fiabilité Mazda 6 (2008-2013)Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Fiabilité Mazda 3 (2009-2013)Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
- Mazda 6 II: Bekannte Probleme und Schwachstellengebrauchtwagenberater.de · Motoring press · consulted 27 September 2026 · in German
- Mazda 3 II (2009-2013): Typische Probleme & Schwachstellengebrauchtwagenberater.de · Motoring press · consulted 27 September 2026 · in German
- Mazda CX-7Wikipedia (inglés) · Other source · consulted 5 October 2026
- Mazda L engineWikipedia (inglés) · Other source · consulted 5 October 2026
- Problemas Mazda CX-7Totalrenting · Other source · consulted 5 October 2026 · in Spanish