1999 Convertible Miata on 2040-cars

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2016 Mazda MX-5 Miata first engine shot revealed

We've dug deep for just about every scrap of 2016 Mazda MX-5 Miata info available out of the car's California reveal celebration, but powertrain particulars have been especially hard to come by. While we still don't have engine specifications, the folks over at Autoweek have scored a nice scoop - the first underhood photos of one of the display cars.
In the image above, the ND-generation Miata is clearly shown to be powered by a Skyactiv inline four-cylinder, as expected, but its displacement remains unclear. The engine is most likely either the 2.0-liter Skyactiv-G engine offered in low-end Mazda3 and CX-5 models or the 2.5-liter Skyactiv-G found in those same vehicles' upper trims. In those iterations, the 2.0-liter generates 155 horsepower and 154 pound-feet of torque, while the larger-displacement engine nets out at 184 hp and 185 lb-ft. There is no sign of a turbocharger, a feature rumored to be fitted to at least one test mule. There has also been previous rumors of a 1.5-liter Skyactiv engine, possibly for overseas markets.
The 2.0-liter strikes us as the most likely scenario, particularly as Mazda has worked diligently to save every gram in the new car, dropping a pledged 100 kilograms (220 pounds) over the current model, even while adding content. It's entirely possible that the alleged turbo car was, in fact, a mule for the Miata's Alfa Romeo sister car, which is expected to have a wholly different powertrain. Or it could simply be a second engine option for an eventual Mazdaspeed variant, perhaps.

Mazda's next-gen SkyActiv engines will drop spark plugs in favor of high compression

Homogeneous charge compression ignition, or HCCI, is the black art of internal combustion engines that aims to produce diesel-like fuel efficiency for the cost of gasoline. Although some of its competitors have developed and subsequently given up on the tech, Mazda confirmed that the next-generation of SkyActiv engines will employ HCCI technology, improving fuel economy by 30 percent and at the same time reducing exhaust emissions. According to Nikkei, a new SkyActiv family of engines is set to debut under the hood of the next-gen Mazda3 sometime in 2018 before making its way into other vehicles. In simple terms, an engine that uses HCCI burns the air/fuel mix using pressure instead of with spark plugs, just like a diesel. At 14:1, Mazda's gasoline engines already have some of the highest compression ratios out there, but a move to HCCI means cranking up the compression to 18:1. While the tech sounds relatively straightforward, using HCCI means dealing with a number of side issues. It's one of those "on paper" ideas that compounds problems when put into practice. Heat, revs, and fuel must all be carefully managed as gasoline doesn't burn the same way as diesel. Mazda is mum on details, but the automaker seems confident that the issues have been sorted. If the new engines do indeed make it to market with HCCI, Mazda will have out-engineered GM, Daimler, and Hyundai, all of which have tried and failed to develop HCCI engines in a cost-effective package. With the market moving towards electrification, it's interesting to see Mazda still focusing so heavily on traditional internal combustion gasoline engines. It's an indication of where they see the market heading for the next few years. Although the automaker has been hesitant to move forward with hybrid and electric powertrains, Nikkei also reports that Mazda will begin mass production of EVs in 2019. Related Video:

Mazda MX-5 Miata RF Luggage Test | How big is the trunk?

The Mazda Miata would not be my first choice for a road trip car. Would probably be in the bottom 10, in fact. The interior fits me like a coffin, the seats pinch my back and the amount of passenger legroom is laughable. It's not exactly the most serene car, either.  But hey, there are sadists out there who may want to venture somewhere in it. I work with some of them. So, as they were the ones who requested this, here is the answer to the question: how much luggage fits in the Miata's trunk? Alright, so on paper, the Miata RF has 4.48 cubic-feet of trunk volume. The regular soft top Miata, the one you should absolutely get instead, has 4.59. Does that different matter? Probably not. However, when talking about trunks in this diminutive size range, the shape is the ultimate factor. For instance, the Porsche 911's 4.6-cubic-foot frunk is basically the same as the Miata's, yet it's narrower and deeper. My BMW Z3's trunk is 5 cubic-feet, yet it's wider, longer and much shallower. On paper, they'd seem to be the same, but you can't fit the same items within them.  Usually, I'd now list all the bags I have to test, but dude, in the words of Jay Mohr in "Go" ... This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Go (8/8) Movie CLIP - It's a Miata (1999) HD   Here's what I could fit ...     This bag is 26 inches long, 16 wide, 11 deep and you'd have to check it in at the airport (remember those?!?). It BARELY fit inside the Miata. The ever-so-slightly larger gray version of this bag I have did not fit.   By contrast, it slid very easily into my Z3 and as you can see (below left), the remaining area was far more easily accessed due to the wider trunk opening. However, this bag wouldn't fit at all in the 911's frunk as the space isn't wide or long enough.      Alternatively, shown above, I could stack two carry-on roller bags (one 24L x 15W x 10D, the other 23L x 15W x 10D). This time, the tight fit came from height.    By contrast, these two would fit with room to spare in the deep 911 frunk as Zac Palmer discovered with his similarly sized bags (below left). They also fit in my Z3 (below right), but were side-by-side and just BARELY fit due to the trunk's much shallower depth. Basically, the Z3 was worst here.