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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2015 Mazda Mazda3 50 Mazda3s, 5.1 months of data per Mazda3, average 4500 miles9
0% 0% Fewest Trips Most Trips
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2015 Toyota Corolla   20 Corollas, 5.2 months of data per Corolla, average 4600 miles

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2014 Mazda Mazda3 93 Mazda3s, 9.5 months of data per Mazda3, average 11800 miles

Redesigned and off to a very good start.
20
20% 20% Fewest Trips Most Trips
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2014 Toyota Corolla 27 Corollas, 7.7 months of data per Corolla, average 12800 miles0
0% 0% Fewest Trips Most Trips
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2013 Mazda Mazda3 49 Mazda3s, 9.5 months of data per Mazda3, average 22700 miles13
0% 0% Fewest Trips Most Trips
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2013 Toyota Corolla   15 Corollas, 9.5 months of data per Corolla, average 28200 miles

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2012 Mazda Mazda3 71 Mazda3s, 9.4 months of data per Mazda3, average 35100 miles7
0% 0% Fewest Trips Most Trips
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2012 Mazda MazdaSpeed3   20 MazdaSpeed3s, 8.4 months of data per MazdaSpeed3, average 32700 miles

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2011 Mazda Mazda3 43 Mazda3s, 8.9 months of data per Mazda3, average 40200 miles9
0% 0% Fewest Trips Most Trips
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2011 Toyota Corolla   12 Corollas, 9.6 months of data per Corolla, average 34800 miles

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2010 Mazda MazdaSpeed3   16 MazdaSpeed3s, 9.7 months of data per MazdaSpeed3, average 59000 miles

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2010 Mazda Mazda3 92 Mazda3s, 9.5 months of data per Mazda3, average 62200 miles

Redesigned for this model year.
16
0% 0% Fewest Trips Most Trips
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2010 Toyota Corolla 69 Corollas, 9.3 months of data per Corolla, average 61100 miles28
10% 10% Fewest Trips Most Trips
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2009 Mazda MazdaSpeed3   15 MazdaSpeed3s, 11.1 months of data per MazdaSpeed3, average 58900 miles

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2009 Mazda Mazda3 36 Mazda3s, 9.6 months of data per Mazda3, average 72600 miles

Includes 2008.5s.
45
30% 30% Fewest Trips Most Trips
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2009 Toyota Corolla 50 Corollas, 9.8 months of data per Corolla, average 76100 miles22
0% 0% Fewest Trips Most Trips
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2008 Mazda Mazda3 60 Mazda3s, 9.5 months of data per Mazda3, average 81900 miles63
50% 50% Fewest Trips Most Trips
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2008 Mazda MazdaSpeed3   11 MazdaSpeed3s, 9.6 months of data per MazdaSpeed3, average 94800 miles

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2008 Toyota Corolla   22 Corollas, 9.8 months of data per Corolla, average 84600 miles

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2007 Mazda MazdaSpeed3   16 MazdaSpeed3s, 10.1 months of data per MazdaSpeed3, average 69400 miles

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2007 Mazda Mazda3 50 Mazda3s, 9.4 months of data per Mazda3, average 93300 miles

First model year for the MazdaSpeed3.
64
40% 40% Fewest Trips Most Trips
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2007 Toyota Corolla   24 Corollas, 9.5 months of data per Corolla, average 95300 miles

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2006 Mazda Mazda3 36 Mazda3s, 9.9 months of data per Mazda3, average 100500 miles81
60% 60% Fewest Trips Most Trips
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2006 Toyota Corolla 28 Corollas, 8.8 months of data per Corolla, average 111300 miles20
0% 0% Fewest Trips Most Trips
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2005 Mazda Mazda3 37 Mazda3s, 7.6 months of data per Mazda3, average 105900 miles

Prone to rust where the roads are salted.
68
30% 30% Fewest Trips Most Trips
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2005 Toyota Corolla 39 Corollas, 9.3 months of data per Corolla, average 132800 miles47
10% 10% Fewest Trips Most Trips
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2004 Mazda Mazda3   20 Mazda3s, 9.5 months of data per Mazda3, average 112500 miles

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2004 Toyota Corolla   20 Corollas, 7.6 months of data per Corolla, average 123600 miles

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2003 Toyota Corolla 33 Corollas, 10.1 months of data per Corolla, average 154600 miles69
20% 20% Fewest Trips Most Trips
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2002 Toyota Corolla   12 Corollas, 7.5 months of data per Corolla, average 118500 miles

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2001 Toyota Corolla   18 Corollas, 8.6 months of data per Corolla, average 160200 miles

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2000 Toyota Corolla   11 Corollas, 8.2 months of data per Corolla, average 131300 miles

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See reliability results for all Sedans and Hatchbacks.
See reliability results for all Mazda and Toyota vehicles.

Mazda Mazda3 vs. Toyota Corolla Reliability Comparisons

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

These stats are promptly updated four times a year, to much more closely track Mazda Mazda3 and Toyota Corolla reliability as the cars age. Others tell you how reliable the Mazda Mazda3 and the Toyota Corolla 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 Toyota Corolla have been recently.

What People Are Saying about Reliability and the Mazda Mazda3

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What Our Members Are Saying about the Reliability and Durability of the Mazda Mazda3

Mazda Mazda3 Reliability and Durability: Pros
YearBody/PowertrainComment
2014 4dr Hatch 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
I can't speak to other cars within my bracket but from previous purchases my car simply put is a lemon. I haven't yet taken legal action against Mazda but am highly considering it. I have owned 3 previous Mazdas and my current 3 has been in the shop more times than the other 2 combinded over a 10 year period. First it was minor vibration and harshness from the engine bay, then several electrical issues from door locks to headlamps to the infotainment to finally my vehicle will stall completely dead shortly after ignition. The dealership I am working with certianly isn't helping. My car has been in and out of the dealership since I have owned it at least once a month. The only reason I had not taken it back sooner is because the last time I brought it by they put two deep 1" scrapes by the fuel door and refused to cover it. This in turn caused almost $2000 worth of damage to repaint and surface the car of which I paid $500 to my insurance company.
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 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
Reputation for reliability.
2011 4dr Sedan 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
Consumer Reports top rated is always a good choice.
2010 4dr Hatch 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
Always rated well
2010 4dr Sedan 184-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 184-horsepower 2.5L I4
6-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 162-horsepower 2.0L I4
6-speed manual FWD
I have been impressed with previous Mazdas I have owned. The 3 was well rated with CR and other automotive sites.
2009 4dr Sedan 162-horsepower 2.0L I4
6-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
Mazda Mazda3 Reliability and Durability: Cons
YearBody/PowertrainComment
2010 4dr Sedan 184-horsepower 2.5L I4
6-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.
2010 4dr Hatch 184-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..
2009 4dr Hatch 184-horsepower 2.5L I4
6-speed shiftable automatic FWD
I got this from previous owner.
2008 4dr Hatch turbocharged 263hp 2.3L I4
6-speed manual FWD
turbo might be unreliable
2008 4dr Sedan 162-horsepower 2.0L I4
6-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!!
2006 4dr Hatch 184-horsepower 2.5L I4
6-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
2006 4dr Sedan 184-horsepower 2.5L I4
6-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
2005 4dr Sedan 184-horsepower 2.5L I4
6-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 184-horsepower 2.5L I4
6-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 184-horsepower 2.5L I4
6-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.
 

What Our Members Are Saying about the Reliability and Durability of the Toyota Corolla

Toyota Corolla Reliability and Durability: Pros
YearBody/PowertrainComment
2010 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
I have given it a thrashing and nothing has broken. It is a Toyota so it probably wont be breaking any time soon. Interior components arent top of the line, but they are tough. Seat is firm and will likely last a good while.
2009 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
Nothing has broken yet, even after hitting a snow bank it was able to drive 15km home.
2009 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
60000 miles on odometer, only regular oil and oil filter changes (every 5000-6000 miles ) and air filter (once) so far. Start in the morning and then keep going
2009 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
The most reliable car in its category.
2009 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
This will be the 5TH Toyota that I have owned and all of them have given great service & reliability
2008 4dr Sedan Not a single problem yet (1 year)
2008 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
As I said before... the reliability and durability of this car has amazed me so far - 70K miles and 5 years.
2007 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
Corolla has proven to be the most reliable car in Canada for many years. I owned other Toyotas before and was exteremly happy with the cost of ownership over a long period of time.
2007 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
Bullet-proof reputation, ease & cost of maintenance
2006 4dr Sedan Established history of reliable vehicles.
Toyota Corolla Reliability and Durability: Cons
YearBody/PowertrainComment
2010 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
Had lots of wear on car and recent Toyota reliability reports made it risky to buy a Toyota even though I had reliable Toyota for years. Might buy one again when their are stable reliablity trend.
2009 4dr Sedan 132-horsepower 1.8L I4
4-speed automatic FWD
I am concerned about the EPS and the new engine design. Although some have disliked the EPS, the jury is still out for me. Plus, will it be reliable long-term? Also, I have read about some oil consumption problems. Hmm ...