Automakers face competing interests when it comes to developing a new generation of vehicle. On the one hand, companies want to build their cars to be safer and better handling, with more equipment and maybe even larger dimensions over the model it's replacing. On the other hand, they strive to keep weight down to the benefit of both performance and fuel consumption. Usually something has to give, and in the case of the new 2015 Ford Mustang, those efforts may have resulted in a weight penalty of two or three hundred pounds.

This according to Blue Oval modifier Steeda Autosports, which states that "the 2015 Mustang ended up gaining 200-300 pounds in this remake". Despite the Mustang not being on the market yet, it would appear the leading Ford aftermarketer has been given early access to the 2015 model to help jumpstart its tuning efforts (a rather common development among trusted tuners). If Steeda's assertion is accurate, that would make the challenge of getting the new pony car up to speed for both Ford and aftermarket customizers like Steeda that much greater.

We're waiting for official word from Ford on the veracity of Steeda's claim, but if true, it's bound to be a bit of disappointing news for legions of Blue Oval performance enthusiasts. Watch this space for more.

UPDATE: Important new details have come to light about Steeda's weight-gain assertion for the 2015 Mustang. These details cast doubt on the accuracy of the tuner's assertion. Read all about it in our followup story here.


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  • 159 Comments
      wooootles
      • 6 Months Ago
      We saw the same thing with the Stingray. All this rumors of its extensive CF/magnesium alloy use perpetuated rumors that the C7 will be some sub-3000-lb exotica for the masses. Turned out it was 100lb heavier than the C6. But, it's faster, more fuel efficient and feels in every way smaller and lighter than the C6 it replaced, so if the 15 Mustang can be like what the C7 was to the C6, who really cares? Were people actually believing the rumors that the Mustang will be around 3400lb, about the same as the C7 Vette? LOL
        Chumley
        • 6 Months Ago
        @wooootles
        Exactly, thank you. Judge by the way it ultimate drives.
        EB110Americana
        • 6 Months Ago
        @wooootles
        Except that the C7 switched from a steel frame (non Z06/ZR1) to an all aluminum frame which is now done in house. While the Mustang is surely gaining IRS, most of the production materials should remain the same. The size was rumored to shrink, but that never materialized.
      jz78817
      • 6 Months Ago
      if Steeda is a "trusted" tuner, then they may no longer be if this violates an NDA.
      FrosenCarrotz
      • 6 Months Ago
      I'll believe it once we get to see the official figures.
        SCOTTM
        • 6 Months Ago
        @FrosenCarrotz
        Why do you think they've been holding out on the "official" figures? They are spreading the rumor through one of their top affiliates in order to cushion the blow of the real stat - probably close to 200 lb weight gain. It's really no different then what the oil companies do to manipulate the populous mind set when raising gas prices. The media "speculates" a high price ($4.00) in the form of a press statement, so when the real price hike comes ($3.75) people feel relief in the fact it could have been worse, when all along - that was the target. That's how the game gets played. Ford is no different.
      • 6 Months Ago
      An article propagating speculation. Just like the 24 hour cable news, if you don't have verified information publish it anyway. The mustang weight guesses go +/- 400lbs depending on the article you read.
      Gorgenapper
      • 6 Months Ago
      I will be the first to voice my disappointment should this gain of 200 - 300lbs turn out to be true. However, as I've said below....until we get official word from Ford, treat this as simply an observation made by Steeda (without any proof!) on 4 pre-production Mustangs in their shop. In fact, I'd go as far as to call this a blatant marketing move. Just go read the blog post. Read it from top to bottom and tell me that doesn't sound like one giant ad. http://www.steeda.com/blog/2014/05/2015-mustang-product-development-update/
      Doug Couch
      • 6 Months Ago
      If so, I'd wager aluminum body panels are already in development like on the F150. Might be worth a couple years wait to see if it comes to pass.
      Bobby Robinson
      • 6 Months Ago
      Really? You bunch of girls! The car will be vastly superior to the mode it's replacing. (Independent rear suspension) Everyone was waiting for the Mustang to grow up and finally become a REAL performance car, and Ford is doing their best to make that happen. If it's improved from the last generation in more ways that you can count, be happy that it was about the same as the car being replaced! Might I remind you Nancy-boys too, this is FORD, not LOTUS< LAMBORGHINI or even BMW for that matter. Sure, they could produce a Mustang with a super duper carbon fiber monocoque body, and make it light as a Miata, but who would be able to afford that?! THINK PEOPL!!
      Luke
      • 6 Months Ago
      Hard not to imagine a "leggero" version with aluminum body in year 2 or 3. 200-300 lbs. is a LOT. I have a 2011 v-6 convertible, and it's heavier than the coupe obviously and you feel it, but it's never lacked for power even when I drive aggressively. But 200 more lbs?... yikes.
      cpmanx
      • 6 Months Ago
      Beware of news stories in which the headline is a question and the buried answer turns out to be "um...I don't know."
      Charles Robichaud
      • 6 Months Ago
      don't buy one with a 4cly... it will be a dog! unless they make it diesel.! lol, oh wait Obama doesn't like diesel's!
      That Guy
      • 6 Months Ago
      Typical Ford.....they have a monopoly on mediocrity. Pathetic company. But, it sure puts a lot of egg on the face of all the Ford slappies that complained about the weight of the Camaro and Challenger (two far superior vehicles)
        car-a-holic
        • 6 Months Ago
        @That Guy
        I'll bet those ignitions on the mustang won't kill you,.......
        Chris Chamaschuk
        • 6 Months Ago
        @That Guy
        jealousy will get you clowns nowhere ! this car will do great and ford will make sure of it mark my words as for the others afr superior that's a joke ! especially the crap fiat laugher which gets its butt smoked and the crapmaro which still wont touch a gt500 in any performance measure :ie straight line 1/4 mile 0-60 and top speed so tell that crap to your one friend as for the zl1 out handling it well id like to see anyone of the guys who own these cars take them to the track cuz it aint happening so whos superior ? yeah that's what I thought LOL!
          Tariff The Imports
          • 6 Months Ago
          @Chris Chamaschuk
          @ RedRaiderGuy08 The GT500 was NEVER a track car by design. That honour bestowed the GT350 and GT350R. Maybe take your own advise and brush up on Ford/Sheby history.
          RedRaiderGuy08
          • 6 Months Ago
          @Chris Chamaschuk
          "Any performance measure", you mean a few performance measures. Others would be braking, skid pad, handling, stability, lap times... Additionally if no one takes these cars to the track the gt500 would be equally useless. By your own logic why even buy it based on top speed and 1/4mile if you can only go 75 mph? Also a drag strip and a track (be it track days or autocross) are all equally accessible for the common man... i will agree though that jealousy gets you nowhere, but contradicting yourself will also get you nowhere... You may want to brush up on your Ford history as well. That guy's name that's on the GT500 (Shelby) made the original cars for the track, and is famous for getting around race tracks really fast, think Le Mans. The GT500 has never been a drag car by design, its a track car by design... So the GT500 and the ZL1 purposes are pretty similar, just the ZL1 does it better on most race tracks... yeah that's what i though LOL!--- (just in case you are wondering, I'm not a chevy or camaro guy)
          Tariff The Imports
          • 6 Months Ago
          @Chris Chamaschuk
          @ RedRaiderGuy08 The GT500 was NEVER a track car by design. That honour bestowed the GT350 and GT350R. Maybe take your own advise and brush up on Ford/Sheby history.
      tenspeeder
      • 6 Months Ago
      Obese just like its future owners
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