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Why Mazda did so well and Volvo so poorly in Consumer Reports survey

The poor performances of Tesla and all three domestic automakers got the headlines in Consumer Reports magazine's latest reliability survey, but there were other results that caught our interest. Tiny Mazda notched the biggest gain among the 29 brands included in this year's list, leap-frogging nine spots to No. 3. Buick, which was in the top 10 last year, fell 11 spots to No. 19, the biggest decline of any brand. And then there's Volvo, a brand often vaunted for its quality and reliability, dropping six spots to dead last. What gives? For starters, all three brands benefited or suffered in large part due to their relatively small portfolio of vehicles. So when raves or complaints rolled in for even one particular model, as was often the case, it weighed heavily on the entire brand. That's especially true when it involves a relatively high-volume, hot-selling model such as the Buick Enclave (more on that in a moment). Mazda fared as well as it did despite the CX-3 losing Consumer Reports' influential "recommended" status due to problems with its climate system, including leaks from the condenser and refrigerant unit that triggered a service bulletin from the automaker in late 2016. Deputy auto editor Jon Linkov said that scratch didn't hurt the overall brand, since the CX-9 crossover and MX-5 Miata both jumped up to replace it on CR's list of newly recommended vehicles, thanks to several back fixes Mazda made to both models. For Buick, the redesigned Enclave SUV earned a "Much Worse Than Average" rating after owners reported problems with the new nine-speed automatic transmission it shares with the Chevrolet Traverse as well as some issues with the climate system. There were issues with rough shifting, plus complaints about the torque converter that necessitated fixes to the computer or outright replacement. "Again, similar stuff that we saw with the Traverse: both first-year vehicles, similar powertrains," LInkov said. He said all-new vehicles or redesigns typically fare poorly in CR's reliability survey due to issues that are hard to suss out before vehicles go into everyday use by consumers. The top-selling Encore and Envision fared well, Linkov said, but were outdone by the Enclave's problematic transmission components. The Enclave was Buick's second best-selling model through September at 35,227 units. Then there is Volvo, about which there is one word to sum up its woes: infotainment.

2020 Mazda CX-5 diesel is still, and perhaps forever, MIA

Halfway through 2020, the most recent Mazda CX-5 diesel you can find anywhere in the U.S. is a 2019 model year — the only one offered so far. With automaker factories beginning their model-year turnovers shortly, CarsDirect did some poking around as to the fate of an oil-burning 2020 CX-5. The outlet couldn't get definitive answers, but a host of secondary evidence suggests the diesel crossover will skip this year, naturally leading to the question of whether the model will skip this market from now on.  Asked in April about the crossover's fate or its arrival, Mazda would only say that "with the current state of the world, many things are tentative." The following month, the automaker's early fleet ordering guide pegged this month as marking the end of CX-5 production, 2021MY crossovers starting down lines in August. Mazda had nothing to say about that information, either. When CarsDirect got in touch again for this latest report, Mazda professed the delay has nothing to do with emissions certification. Then the wall went up again, the only other comment being, "We cannot confirm any details for the CX-5 Diesel at this time."    We're speculating, but at this point, even if Mazda could get 2020MY CX-5 diesels on the lot, why should the automaker bother? The challenges for diesel in general, and this expression of diesel particularly, are clear to everyone; our last post on the CUV, six months ago, was about the five-figure discounts dealers were offering. A quick check on Autotrader at the time of writing shows 45 examples of the 2019 CX-5 diesel available nationwide, plenty of them still priced in the low- to mid-thirties. On Autotrader Canada, which specifies vehicle availability beyond the "1,000+ Results" on the American site, there are 6,135 CX-5s listed nationwide, only 58 of them diesel. Canadian outlet Motor Illustrated wrote, "Mazda recently told us they had a lot of Mercedes-Benz GLE diesel owners and other diesel fans with upscale models trade for a CX-5 diesel." Apparently luxury diesel crossover conquest buyers aren't numerous enough to support a model line. The gasoline versions of the 2020 Mazda CX-5 launched in November last year. It shouldn't take that long for us to find out about the fate of the 2020 CX-5 diesel, or if there will be a 2021 model. Related Video:    

Mazda files patent applications for inline-six technology, new transmission

We've known for some time that Mazda is one of the OEMs getting back on the inline-six engine bandwagon, and a report from Japan gives us a glimpse of some of the automaker's plans. Mazda has filed patent applications for both new exhaust components (depicted with an inline-six) and a new eight-speed automatic transmission.  The news comes from a blog called T's Media (fire up Google Translate), which located the new hardware in two separate fillings, one for exhaust system components and one for the new transmission.  Mazda's lineup has been exclusively powered by four-cylinder engines since the demise of the last-generation CX-9, which utilized a 3.7-liter V6 sourced from Ford. Since, Mazda has relied on turbocharging to get more power out of its SkyActiv four-pots, but changes may be coming. Prior reports have indicated that Mazda wants a new, larger engine architecture to power vehicles built on a new, larger platform. This new chassis is expected to accommodate longitudinal, rear-wheel drive powertrains, which could spawn larger crossovers and SUVs. It could also potentially underpin a new rear-wheel drive coupe, if Mazda decides to go that route.  While the inline engine itself is not news, what we're seeing here might actually be hints as to Mazda's approach to the next generation of its SkyActiv engine architecture. Mazda's exhaust patent seems to describe a scalable — perhaps even modular — setup intended to be used with inline and potentially even V-engines.  "Provided is an engine exhaust structure capable of securing exhaust efficiency while reducing the size of the engine by changing the structure of an exhaust port," a translation of the patent application's introduction says. "[T]here has been proposed a technique for collecting exhaust gas discharged from each cylinder inside a cylinder head without using a separate exhaust manifold with the aim of downsizing the engine." In other words, Mazda is looking for ways to make its future engines more compact, and the strategy detailed here is the use of an integrated exhaust manifold, similar to what other automakers (such as Honda and Ford) have utilized on their smaller-displacement turbocharged engines. The sketch above of an inline-six engine with just two exhaust ports illustrates this concept.  The eight-speed transmission, while noteworthy in its own right as Mazda currently relies on aging six-speeds, doesn't seem to offer us anything particularly game-changing.  Related Video: