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Thread: Mazda3: Is it worth it to get the 2.5 engine?

  1. #1
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    suv 7

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    Mazda3: Is it worth it to get the 2.5 engine?

    I've been seriously considering getting a Mazda 3 however I am not sure which engine I should go for.

    I test drove both the 2.0 and the 2.5 and thought the 2.0 was a bit gutless especially when starting out from a dead stop and while making passing maneuvers. It was a brand new car so I didn't push the engine past 3,000 or so RPMs, so I guess I didn't get much of a feel for it.

    When I test drove the 2.5 liter I noticed a noticeable improvement in power and torque. It felt significantly more effortless to get up to speed and more powerful off the line.

    Right now I am somewhat undecided if I should just get the standard 2.0 liter or if I should splurge and go for the upgrade 2.5 liter. The 2.5 costs a pretty penny compared to the 2.0 liter and you really don't gain that much more in horsepower, however I did enjoy the feel of the 2.5 liter compared to the sluggish nature of the 2.0.

    I'd like to hear some opinions from people who own the car. While the 2.0 engine was slower, it did seem like it would be a joy to rev out. I'm not somebody who minds revving out an engine. I am curious to hear some positives and negatives about both engines.

  2. #2
    Registered Member concept's Avatar

    2014 Mazda3 S GT auto, 2008 MX5 6-speed

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    My 89 MX6 GT turbo had about 190 lbs-ft of torque from the factory and my replacement had to be at least as fast as that car. That's why I test drove only the 2.5 liter. It has about the same amount of torque as my old MX6 did, before I cranked up the boost from 6 to 11 psi. The gas mileage difference is not huge on paper, at least. Consumer reports did see 45 MPG when testing the 2.0's highway mileage.
    Also, Car & Driver just recently pitted the 2.0 Mazda3 against the new Civic, new Sentra, and new Elantra. Of course, the Mazda3 beat them all. I have not driven the 2.0 liter 3 but I can say that I am very happy with the power that my 2.5 delivers. My advice is that if you CAN easily afford the 2.5, get it. 0-60 is reached in 6.8 seconds vs 8.0 seconds for the 2.0.
    2014 3S GT, Deep Crystal Blue, Eibach Pro-Kit, Enkei PF01s, Koni Sports
    2008 MX-5 Touring (Mazdaspeed CAI, HIDs, Progress/Koni Sports/Racing Beat sways, Magnaflow)
    2002 Protege ES (Sold for $1700 with 131,000 miles)

  3. #3
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    2013 VRM Mazdaspeed3, 2016 Soul Red CX-5 GT

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    Get the 2.5 liter engine. You don't want to regret your purchase later. The 2.5 liter engine makes peak torque at 3250 rpm, which is probably why you noticed an improvement in power/torque when you test drove it.

    That said, the 2.0 liter engine makes peak torque at 4k rpm. I agree it feels slow, especially after driving with the 2.5 engine, but you mentioned you didn't push the engine past 3k rpm. This means you never really got into the car's powerband. Go test drive both cars again and this time, rev them both to redline.

  4. #4
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    2016 3 hatchback manual

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    I just bought a 2016 3 hatchback manual
    I am trying to trade for an S now.

    Get the S

  5. #5
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    2012 Mazda 3 i-Touring

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    How can you trade for an S if you're still paying on your current hatchback? When I got my 2012 Mazda 3 I was only able to find an i-Touring and I wanted a Grand Touring or Grand Touring S. I bought the car because of it's low mileage but always felt gipped.

  6. #6
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    mazda6 GT 2016

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    My wife bought the 3 with the smaller engine and we have regretted it every time we get on the highway. I have a 6 and even with the heavier weight you can feel the difference.


    Sent from my iPhone using Tapatalk

  7. #7
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    2013 VRM Mazdaspeed3, 2016 Soul Red CX-5 GT

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    Quote Originally Posted by Silver Phoenix View Post
    How can you trade for an S if you're still paying on your current hatchback? When I got my 2012 Mazda 3 I was only able to find an i-Touring and I wanted a Grand Touring or Grand Touring S. I bought the car because of it's low mileage but always felt gipped.
    If he is not upside down on his current car loan, then he can trade in his car and get comparable payments on the new car.

  8. #8
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    Mazda cx-5 touring fwd

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    Absolutely get the 2.5. As long as you're okay with the slight hit and gas mileage. Look at it this way, right now if you go on to that performance website and spend about $900 to $1,000 you will gain about 15 horsepower by adding a cat car back and an intake. The 2.5 comes with 30.

    I read all these stories about people saying the extra .5 liter isn't worth it... they obviously didn't drive them

  9. #9
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    Mazda cx-5 touring fwd

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    Quote Originally Posted by da_jokker View Post
    Absolutely get the 2.5. As long as you're okay with the slight hit and gas mileage. Look at it this way, right now if you go on to that performance website and spend about $900 to $1,000 you will gain about 15 horsepower by adding a cat car back and an intake. The 2.5 comes with 30.

    I read all these stories about people saying the extra .5 liter isn't worth it... they obviously didn't drive them
    The tree you may need to look into this but I was just reading that with the newer Mazda 3 if it is a 2.0 engine it comes from Mexico and if it is a 2.5 it comes from Japan. If that is true that would seal the deal I would think for most.

  10. #10
    ZOOOOOOOOOM ZOOOOOOOOOOOM mazdadude's Avatar

    '16.5 Mazda CX-5 Touring AWD, '05 PRIUS

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    I had the 2014 3iGT with the 2.0L, and always regretted not getting the 2.5L. I did not keep long...2.0 was not exciting to me.
    Mazda's I have owned over the years.
    80' Mazda GLC SPORT MT - sold
    81' Mazda 626 DX MT - sold
    81' Mazda 626 LX AT - sold
    82' Mazda 626 DX MT - sold
    82' Mazda 626 LX AT - sold
    85' Mazda 626 LX MT - sold
    87' Mazda 626 GT Turbo MT - sold
    85' Mazda RX-7 GSL-SE MT- sold
    87' Mazda RX-7 Turbo 2 MT - sold
    91' Mazda Protege LX MT - sold
    92' Mazda MX-5 Miata MT - sold
    93' Mazda MX-3 GS-V6 Special Edition MT - sold
    00' Mazda 626 LX-V6 MT - sold
    02.5' Mazda Protege5 MT - sold
    92' Mazda MX-5 Miata MT - sold
    06' Mazda 5 Touring AT - sold
    13' Mazda CX-5 Touring AT - sold
    14' Mazda 3i Grand Touring MT - sold
    15' Mazda CX-5 Touring AWD AT - sold
    03' Mazda Protege5 AT - sold
    16.5' Mazda CX-5 Touring AWD AT - current
    09' Mazda Mazdaspeed3 GT - current

  11. #11
    BMW & Mazda Enthusiast GJ-Molestor's Avatar

    2011 BMW 528i, 2015 Mazda 6, 1995 Nissan Maxima Manual

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    the 2L is slow. the 2.5L has basically the same fuel economy and much more torque.

  12. #12
    Registered Member ceric's Avatar

    2017 Mazda CX-5 GT, 2016 Mazda6 iGT, 2014 Mazda3 sGT hatchback

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    I have Mazd3s for my wife, and Mazda6 for myself.
    Same engine, the latter is heavier by 100-200lbs.
    Mazda3 is smaller on the inside for me, so I love driving my '6.
    On power and acceleration, Mazda3s is more peppy than the '6.

    My friend has the Mazda3i (2.0), he gets significantly better MPG than my Mazda3s.
    Don'tr be fooled by EPA rating. 2.5L drinks more fuel than the 2.0L. No magic on that.
    2016 Mazda6 iGT + Tech Pkg
    ....Sonic Silver Mica / Parchment
    2014 Mazda3 sGT hatchback
    ....Soul Red Metallic / Almond

  13. #13
    Registered Member IgoZoom's Avatar

    2012 Mazda CX-9 GT FWD, Crystal White Pearl, Bose/Moonroof

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    Car and Driver has tested the 2.0L and 2.5L versions of the sedan (with A/T) in the last few months. The results of their tests show the obvious power advantage of the 2.5L, but the fuel economy results are surprising.

    2017 Mazda3 Touring 4-door A/T
    0-60- 7.9sec
    50-70mph- 5.4sec
    Observed fuel economy- 27mpg
    Observed fuel economy @ 75mph highway driving- 38mpg

    2017 Mazda3 Grand Touring 4-door A/T
    0-60- 6.8sec
    50-70mph- 4.4sec
    Observed fuel economy- 29mpg
    Observed fuel economy @ 75mph highway driving- 42mpg

    So the 2.5L was 1.1sec quicker to 60mph, 1.0sec quicker from 50-70mph, averaged 2mpg more overall and 4mpg more at 75mph on the highway. They don't mention how many miles were on each test car or how long their test route is for their 'observed fuel economy'. But I still found the results interesting.

    They did a longer-term test in a 2016 i Grand Touring (2.0L/AT) and reported 33mpg over the 800-mile test route.

    They also tested a 2016 2.0L sedan and 2015 2.5L hatchback and achieved the same 29mpg over a 200-mile trip. Interestingly, the 0-60 time for those two were almost identical (7.5 vs 7.3sec).

    In the real world, who knows? The 2.5L with automatic is the quickest of all, but the long-term fuel economy is a mystery....
    2012 Mazda CX-9 Grand Touring FWD
    Crystal White Pearl Mica with Sand Leather, Moonroof/Bose Package & Power Liftgate, 71k miles

    2006 Mazda3 s 5-door Touring (bought new 12/11/2005)
    Titanium Gray w/ Black/Red Checked Cloth, 5-speed manual, still looks great after 11-years and 112k miles!

    2002 Toyota Tacoma SR5 PreRunner DoubleCab TRD
    2.7L 4cyl, 4AT, 262k miles and going strong!




  14. #14
    Registered Member concept's Avatar

    2014 Mazda3 S GT auto, 2008 MX5 6-speed

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    Swap in 17-lb wheels over the 27-lb boat anchors and REALLY achieve a boost in acceleration. This will most likely apply to either size engine car.
    Sigs are visible only in your first post on a page. To change your thread display preferences, click here and enable 'Always Show Signature'.

  15. #15
    BMW & Mazda Enthusiast GJ-Molestor's Avatar

    2011 BMW 528i, 2015 Mazda 6, 1995 Nissan Maxima Manual

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    absolutely. it has a much more usuable mid range which in turn does not make it any less efficient then the 2L since you do not have the rev it as hard. the throttle response, sound, performance and efficiency of this motor surpasses my expectations for a 4 cylinder engine.

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