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Mazda Mazda3 vs. Subaru Impreza / Outback Sport Reliability Comparisons

You won't find Mazda Mazda3 or Subaru Impreza / Outback Sport reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Mazda Mazda3 and the Subaru Impreza / Outback Sport truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Mazda Mazda3 and Subaru Impreza / Outback Sport reliability as the cars age. Others tell you how reliable the Mazda Mazda3 and the Subaru Impreza / Outback Sport were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Mazda Mazda3 and the Subaru Impreza / Outback Sport have been recently.

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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2014 Mazda Mazda3 51 Mazda3s, 4.6 months of data per Mazda3, average 5000 miles

Redesigned and off to a very good start.
5
0% Fewest Trips Most Trips
see reported repairs
2014 Subaru Impreza 30 Imprezas, 4.5 months of data per Impreza, average 4800 miles18
20% Fewest Trips Most Trips
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2013 Mazda Mazda3 47 Mazda3s, 8.4 months of data per Mazda3, average 8600 miles3
0% Fewest Trips Most Trips
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2013 Subaru Impreza 59 Imprezas, 9.2 months of data per Impreza, average 14400 miles4
0% Fewest Trips Most Trips
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2012 Mazda Mazda3 67 Mazda3s, 10.3 months of data per Mazda3, average 23000 miles14
10% Fewest Trips Most Trips
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2012 Mazda MazdaSpeed3   15 MazdaSpeed3s, 9.9 months of data per MazdaSpeed3, average 19900 miles

* Small sample size.
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or 15 MazdaSpeed3s, 9.9 months of data per MazdaSpeed3, average 19900 miles

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2012 Subaru Impreza 54 Imprezas, 9.5 months of data per Impreza, average 24200 miles

Impreza redesigned for this model year.
16
10% Fewest Trips Most Trips
see reported repairs
2012 Subaru WRX / STI   15 WRX / STIs, 10.3 months of data per WRX / STI, average 22000 miles

* Small sample size.
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or 15 WRX / STIs, 10.3 months of data per WRX / STI, average 22000 miles

* Small sample size.
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2011 Mazda Mazda3 45 Mazda3s, 8.8 months of data per Mazda3, average 31900 miles24
20% Fewest Trips Most Trips
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2011 Subaru Impreza / WRX / Outback Sport 41 Impreza / WRX / Outback Sports, 9.2 months of data per Impreza / WRX / Outback Sport, average 27900 miles35
30% Fewest Trips Most Trips
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2010 Mazda Mazda3 100 Mazda3s, 9.3 months of data per Mazda3, average 51800 miles

Redesigned for this model year.
16
0% Fewest Trips Most Trips
see reported repairs
2010 Mazda MazdaSpeed3   19 MazdaSpeed3s, 9.1 months of data per MazdaSpeed3, average 46900 miles

* Small sample size.
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2010 Subaru Impreza / WRX / Outback Sport 26 Impreza / WRX / Outback Sports, 9.8 months of data per Impreza / WRX / Outback Sport, average 54100 miles5
0% Fewest Trips Most Trips
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2009 Mazda MazdaSpeed3   18 MazdaSpeed3s, 9.8 months of data per MazdaSpeed3, average 50700 miles

* Small sample size.
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2009 Mazda Mazda3 35 Mazda3s, 9.7 months of data per Mazda3, average 64900 miles

Includes 2008.5s.
25
10% Fewest Trips Most Trips
see reported repairs
2009 Subaru Impreza / WRX / Outback Sport 30 Impreza / WRX / Outback Sports, 8.8 months of data per Impreza / WRX / Outback Sport, average 55600 miles50
40% Fewest Trips Most Trips
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2008 Mazda Mazda3 57 Mazda3s, 10.1 months of data per Mazda3, average 71200 miles27
10% Fewest Trips Most Trips
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2008 Mazda MazdaSpeed3   13 MazdaSpeed3s, 9.0 months of data per MazdaSpeed3, average 77000 miles

* Very small sample size.
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or 13 MazdaSpeed3s, 9.0 months of data per MazdaSpeed3, average 77000 miles

* Very small sample size.
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2008 Subaru Impreza / WRX / Outback Sport 34 Impreza / WRX / Outback Sports, 9.2 months of data per Impreza / WRX / Outback Sport, average 71200 miles

Redesigned for this model year.
54
40% Fewest Trips Most Trips
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2007 Mazda Mazda3 58 Mazda3s, 9.0 months of data per Mazda3, average 81200 miles48
30% Fewest Trips Most Trips
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2007 Mazda MazdaSpeed3   16 MazdaSpeed3s, 10.0 months of data per MazdaSpeed3, average 60700 miles

* Small sample size.
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or 16 MazdaSpeed3s, 10.0 months of data per MazdaSpeed3, average 60700 miles

* Small sample size.
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2007 Subaru Impreza / WRX / Outback Sport   18 Impreza / WRX / Outback Sports, 7.8 months of data per Impreza / WRX / Outback Sport, average 77400 miles

* Small sample size.
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* Small sample size.
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2006 Mazda Mazda3 50 Mazda3s, 9.2 months of data per Mazda3, average 95500 miles58
40% Fewest Trips Most Trips
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2006 Subaru Impreza / WRX / Outback Sport 30 Impreza / WRX / Outback Sports, 9.1 months of data per Impreza / WRX / Outback Sport, average 75000 miles53
30% Fewest Trips Most Trips
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2005 Mazda Mazda3 36 Mazda3s, 8.9 months of data per Mazda3, average 95600 miles

Prone to rust where the roads are salted.
67
40% Fewest Trips Most Trips
see reported repairs
2005 Subaru Impreza / WRX / Outback Sport 51 Impreza / WRX / Outback Sports, 8.5 months of data per Impreza / WRX / Outback Sport, average 99500 miles85
60% Fewest Trips Most Trips
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2004 Mazda Mazda3 27 Mazda3s, 7.6 months of data per Mazda3, average 114200 miles

Prone to rust where the roads are salted.
64
30% Fewest Trips Most Trips
see reported repairs
2004 Subaru Impreza / WRX / Outback Sport   21 Impreza / WRX / Outback Sports, 8.1 months of data per Impreza / WRX / Outback Sport, average 111800 miles

* Small sample size.
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or 21 Impreza / WRX / Outback Sports, 8.1 months of data per Impreza / WRX / Outback Sport, average 111800 miles

* Small sample size.
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2003 Subaru Impreza / WRX / Outback Sport   14 Impreza / WRX / Outback Sports, 8.6 months of data per Impreza / WRX / Outback Sport, average 127900 miles

* Very small sample size.
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or 14 Impreza / WRX / Outback Sports, 8.6 months of data per Impreza / WRX / Outback Sport, average 127900 miles

* Very small sample size.
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2002 Subaru Impreza / WRX / Outback Sport 30 Impreza / WRX / Outback Sports, 8.0 months of data per Impreza / WRX / Outback Sport, average 113700 miles75
30% Fewest Trips Most Trips
see reported repairs

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What People Are Saying about Reliability and the Mazda Mazda3

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What Our Members Are Saying about Mazda Mazda3 Reliability and Durability

Reliability and Durability of the Mazda Mazda3: Pros
YearBody/PowertrainComment
2012 4dr Sedan 155-horsepower 2.0L I4
6-speed shiftable automatic FWD
It was neck and neck between the Mazda3 and the MINI COOPER. I had my heart set on the MINI, but reliability was the deciding factor. I spent countless hours researching vehicles over the last several months and was very dismayed at all the mechanical issues that plague the MINI. On the other hand the Mazda3 seems to be very much trouble free. I really wanted a MINI, but I knew its 'cool' fun to drive personality wouldn't be enough to overcome the reliability headaches I could expect.
2011 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
Reputation for reliability.
2011 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
Consumer Reports top rated is always a good choice.
2010 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
I;ve had them in past and have had no warranty issues and other than regular maintenance had not had to take them in to get serviced.
2010 4dr Sedan 167-horsepower 2.5L I4
6-speed manual FWD
Mazda has been a reliable purveyor of fun cars, and its Mazda 3 is no disappointment. The new-for-2010 version features overhauled sheetmetal and extra cabin refinement, and a 3 s Sport model.
2010 4dr Sedan 148-horsepower 2.0L I4
5-speed manual FWD
I have been impressed with previous Mazdas I have owned. The 3 was well rated with CR and other automotive sites.
2010 4dr Hatch 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
Always rated well
2009 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
Have owned other Mazdas and liked them.
2009 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
reliabiilty is excellent so far. both rear shocks leaked after about 65,000 miles. one oxygen sensor replacemnent. that is it so far. made in hiroshima says it all i guess
2008 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
good history, from friends
Reliability and Durability of the Mazda Mazda3: Cons
YearBody/PowertrainComment
2010 4dr Hatch 167-horsepower 2.5L I4
6-speed manual FWD
The drivetrain reliability on this car is awful. Clutch started failing at 40K, axles have gone bad, wheel bearings have gone bad, suspension has been replaced..
2010 4dr Sedan 167-horsepower 2.5L I4
5-speed shiftable automatic FWD
According to various sources it is not as good as Honda/Toyota. I had 0 problems with the 3. In equal time and distance the Corrola had given me some light headache though.
2009 4dr Hatch 156-horsepower 2.3L I4
5-speed shiftable automatic FWD
I got this from previous owner.
2008 4dr Sedan 148-horsepower 2.0L I4
4-speed shiftable automatic FWD
My alternator went out after 10,000 miles of gentle driving. It happened to fail as I was driving through the coastal Oregon mountains, causing me to lose power steering intermittently on the twisties. Inexcusable for modern, brand-new automobile!!
2008 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
turbo might be unreliable
2006 4dr Sedan 160-horsepower 2.3L I4
5-speed manual FWD
Perhaps I have a lemon or drive it too hard, but have replaced: Clutch at 22k (free fix from dealer) Right Axle (CV joints clicking) at 65k ($480 part!) Left Axle (CV joints) starting to click Broken engine mount (rear, #3 I think) at 50k inspection
2006 4dr Hatch 160-horsepower 2.3L I4
5-speed manual FWD
I am getting an intermittent CEL coming on, and it seems to be missing every now and then. Not sure if it is bad tank of gas, or a plug is dirty, but it is a little disconcerting. Sometimes when you pull away you feel it jerk a little, and then it kicksin
2005 4dr Sedan 160-horsepower 2.3L I4
4-speed shiftable automatic FWD
Had several repairs during warranty. None engine related except one. Nearly every repair was covered by a TSB so known problems. Plus developed rust on inside door panels due to improper factory clean;Mazda has a lot of problems with rust in this model
2005 4dr Hatch 160-horsepower 2.3L I4
5-speed manual FWD
I've owned many great Mazdas in the past and they have always been exceptional cars, but this 3 has been awful. Everything was OK until around 70k miles and from there on out it has been nonstop issues.
  • Brakes - Plan on replacing rotors every time you do pads
  • Tie Rod - Broke clean in half at 80k miles. The car was never in a collision or anything that could have explained it. If I was on the highway I could have seriously crashed the car
  • Belt Tensioner - Only available OEM (and pricey)
  • Control arms, bushings (front and rear), constant clunks and thuds from the suspension.
  • Broken shock mounts
  • Heater Core at 90k miles
  • Wheel bearings - In 127k miles I have done all 4 twice. My mechanic says that this is common on all of the 3's he services.
  • Front End shimmy - It has had a shimmy of varying degrees constantly since about 50k miles on. I will get a bunch of front end work done, replace rotors, or balance tires, and it will be better, but never gone
  • All sorts of electrical weirdness (Sometimes the "you forgot your key in the ignition" chime wont go off until you turn the car back on/off)
  • Headlights - You will replace them so often that you can do it in your sleep. We also have a Mazda 5 and it is the same way. I have even had to replace the weird socket adapters they use. Currently I am getting no power at all to the passengers side. Also, those clear lenses haze like crazy.
  • Horn - even the slightest puddle drowns it. Mine seemed to have been shorted out as the relay trips but now I dont even get power to the horn itself
  • The condensate drain for the AC clogs constantly. If you dont notice it, it will slowly start to seep into the carpet and cause a wonderful mildew funk. Its easy to fix with a chopstick or pencil, but I have never had a car where this is an issue before.
  • Cruise Control now toggles off/on/off/on creating a wonderful seasick sensation
I would like to mention that I'm not some boy racer constantly hooning around. My car is completely stock, I'm a 38 year old dad, and 90% of the miles on it are highway back and forth to work. This is my daily commuter.
2004 4dr Sedan 160-horsepower 2.3L I4
4-speed shiftable automatic FWD
No major problems but there are still some problems with brake dust in the rear. Had to have the front passenger window fixed (got loose). Purge valve was found defective. Transmission 2nd gear shifted hard until the software was updated.

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What Our Members Are Saying about Subaru Impreza / Outback Sport Reliability and Durability

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