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Mazda · Mid-Size · 2007–2012

Mazda 6 GH

Weaknesses, engine ratings and buying advice

3.6 / 5.0 · Based on 7 engine variants
Most Fun Engine

260 PS

2.3L DISI Turbo Benzin

Wolf in Sheep's Clothing — 260 hp AWD Saloon

Legendary!
Most Reliable Engine

170 PS

2.5L MZR Benzin

6 weaknesses

Good Choice
Problem Engine

260 PS

2.3L DISI Turbo Benzin

7 weaknesses

Stay Away!

Body Variants

The Mazda 6 GH is available as Kombi and Limousine and Schrägheck — choose your body type for specific insurance data:

Generations


Engine Overview

The Mazda 6 GH is available with 5 engine variants — from 90 to 260 hp. 2 variants had engine changes — the model year is crucial.

2.0L DiTD · Diesel· 140–143 PS
2007 2012
Be Careful 7 weaknesses
2.2L MZR-CD · Diesel· 125–185 PS Engine Change
2007 2010
Be Careful 7 weaknesses
2007 2010
Be Careful 7 weaknesses
2010 2012
Be Careful 7 weaknesses
2010 2012
Be Careful 7 weaknesses
1.8L MZR · Benziner· 120 PS
2007 2012
Good Choice 5 weaknesses
2.0L MZR · Benziner· 147–155 PS Engine Change
2007 2010
Good Choice 8 weaknesses
2010 2012
Good Choice 8 weaknesses
2.5L MZR · Benziner· 170 PS
2007 2012
Good Choice 6 weaknesses

The Mazda 2.0L DiTD (Diesel, 140–143 PS) has the RF (2.0L DiTD) — rated: "Be Careful", 7 known weaknesses.

The Mazda 2.2L MZR-CD (Diesel, 125–185 PS) comes with 4 different engines: R2AA (2007–2010, Be Careful) und R2AA (2007–2010, Be Careful) und R2AA (2010–2012, Be Careful) und R2AA (2010–2012, Be Careful). Pay attention to the model year for the 2.2L MZR-CD!

The Mazda 1.8L MZR (Benziner, 120 PS) has the L8 (1.8L MZR) — rated: "Good Choice", 5 known weaknesses.

The Mazda 2.0L MZR (Benziner, 147–155 PS) comes with 2 different engines: LF-DE (2007–2010, Good Choice) und LF-DE (2010–2012, Good Choice). Pay attention to the model year for the 2.0L MZR!

The Mazda 2.5L MZR (Benziner, 170 PS) has the L5-VE (2.5L MZR) — rated: "Good Choice", 6 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!Rust on Door Edges and Sills

The Mazda 6 GH shows corrosion on door edges, sills and wheel arches. Less pronounced than on the GG, but vehicles without cavity wax treatment show clear rust onset after several years.

Symptoms: Rust blisters on lower door edges, paint discolouration on wheel arches, rust on sill folds
from 100,000 km
Medium
NHTSA Owner Complaints
Below Average
1,114 complaints · 2007–2012
Airbags
360 ⚠ 38
Body Structure
229 ⚠ 8
Suspension
179 ⚠ 5
Other
136 ⚠ 2
Steering
96 ⚠ 4

Top Reported Issues

Airbags (360 complaints)
Body Structure (229 complaints)
Suspension (179 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 52 weaknesses have been documented for the Mazda 6 GH (2007–2012) — 46 engine-related and 6 vehicle-related. One problem engine: L3-VDT (2.3L DISI Turbo). Typical issues affect Rust, Brakes, Gearbox, Suspension. Considered reliable: L8 (1.8L MZR), LF-DE (2.0L MZR), L5-VE (2.5L MZR).

6 (RF, 2002–2008) — Be Careful: Interference Engine — Engine Damage on Timing Belt Failure, Leaking Injection Pump (Solenoid Valve), Injection Driver Module (IDM) Earth Fault. Power: 121 PS.

6 (RF, 2005–2008) — Be Careful: Interference Engine — Engine Damage on Timing Belt Failure, Leaking Injection Pump (Solenoid Valve), Injection Driver Module (IDM) Earth Fault. Power: 136–143 PS.

6 (RF, 2007–2012) — Be Careful: Interference Engine — Engine Damage on Timing Belt Failure, Leaking Injection Pump (Solenoid Valve), Injection Driver Module (IDM) Earth Fault. Power: 140–143 PS.

6 (R2AA, 2007–2010) — Be Careful: Timing Chain Stretch, Camshaft Wear from Hardening Defect, Bi-Turbo Failure. Power: 163 PS.

6 (R2AA, 2007–2010) — Be Careful: Timing Chain Stretch, Camshaft Wear from Hardening Defect, Bi-Turbo Failure. Power: 179–185 PS.

6 (R2AA, 2010–2012) — Be Careful: Timing Chain Stretch, Camshaft Wear from Hardening Defect, Bi-Turbo Failure. Power: 125–129 PS.

6 (R2AA, 2010–2012) — Be Careful: Timing Chain Stretch, Camshaft Wear from Hardening Defect, Bi-Turbo Failure. Power: 175–185 PS.

6 (L3C1, 2002–2008) — Be Careful: Conrod bearing failure due to oil starvation, Elevated oil consumption due to piston rings, Timing chain elongates. Power: 162–166 PS.

6 (L3-VDT, 2005–2008) — Stay Away!: Timing chain stretches prematurely, Turbocharger seal leaks oil into engine, High oil consumption due to piston ring wear. Power: 260 PS.

What to watch out for with the Mazda 6? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Mazda 6 GH have? +
The Mazda 6 GH has 46 known engine weaknesses and 6 vehicle weaknesses.
What should I look for when buying a used Mazda 6 GH? +
faq.watch_a_avoid faq.watch_a_rec
Which engine is recommended? +
Good choice: L8 (1.8L MZR), LF-DE (2.0L MZR), L5-VE (2.5L MZR). The most reliable engine is the L5-VE (2.5L MZR) with the lowest risk score. The most fun to drive is the L3-VDT (2.3L DISI Turbo). Problem engine: L3-VDT (2.3L DISI Turbo) — stay away!
Which Mazda 6 GH engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the Mazda 6 GH. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 6 known weaknesses to be aware of.
Which Mazda 6 GH engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Mazda 6 GH — rated: "Legendary!". {description} The ultimate sleeper: unassuming Mazda 6 bodywork, underneath 380 Nm with all-wheel drive. Zero torque steer, maximum traction. 0-100 in 6.1 seconds, nobody believes it. That's how you build a sports car for grown-ups.
Is the Mazda 6 GH worth buying used? +
The Mazda 6 GH is a good choice as a used car — 3 of 7 engine variants are rated 'Good Choice'.
What horsepower variants are available for the Mazda 6 GH? +
The Mazda 6 GH is available with engine variants from 90 to 260 hp. Petrol: L8 (1.8L MZR), LF-DE (2.0L MZR), L3C1 (2.3L MZR), L3-VDT (2.3L DISI Turbo), L5-VE (2.5L MZR). Diesel: RF (2.0L DiTD), R2AA (2.2L MZR-CD).

Last updated: February 2026 · All information without guarantee