1971 Volkswagon Beetle on 2040-cars

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VW Jetta TDI dyno shows HP loss trying to recreate cheat mode

Volkswagen is working on a fix for diesel-engined vehicles that are out of compliance with emissions regulations in the US and other countries. We're told that engineers will be presenting a solution internally sometime this month, but that doesn't mean we'll actually see it in the wild this month. One big question we have about the coming fix is, will it affect the car's performance? That question relates to another we have about the engine as it is: How much performance would the 2.0-liter diesel lose right now if it were turned down to pass US emissions? The Fast Lane Car tried to sketch some answers by going to a shop in Denver, Colorado to run a 2011 Jetta TDI with a six-speed DSG transmission on an all-wheel-drive dyno. The thinking was that if you ran all four wheels the car would think it was on the road, whereas if you ran only two the car might think it's being tested. We'll get straight to the numbers: the stock sedan is quoted at 140 horsepower and 236 pound-feet of torque. When run with all four wheels turning it produced an uncorrected 114 hp and 214 lb-ft at the wheels. When run with just two wheels in motion the Jetta got 113 hp and 188 lb-ft at the wheels. Reading the graph, we're told that power differences between the two runs were as much as 15 hp and 32 lb-ft. You'll need to take some salt with these numbers, though, because the dyno and test protocol in the video are nothing like those used by the EPA. The shop attempts to trick the Jetta into 'emissions testing mode' by using the front wheels only for the two-wheel-drive run, but we have a feeling the software code at issue is far more sophisticated than that, since the ICCT, UVA, the EPA, and CARB investigated the situation for more than a year and couldn't figure out. Also, the technician adjusts for being a mile above sea level with a correction factor of 1.2 applied to horsepower and torque, which inflates the disparity in the final power differences over the two runs. Go to YouTube and read the lengthy comments on the video left by Andrew Price for a more thorough dissection of what could explain TFL's disparities. You can watch the video above, and feel free to try and dissect the results yourselves in the comments below. Related Video:

The super-sized Atlas isn't the three-row VW should build

In the late '50s and early '60s the Volkswagen Beetle wasn't ubiquitous in my hometown of Lincoln, Nebraska, but it came pretty damn close. Fords and Chevys dominated, but beyond the occasional MG, Triumph, or Renault the import scene was essentially a VW scene. When my folks finally pulled the trigger on a second car they bought a Beetle, and that shopping process was my first exposure to a Volkswagen showroom. For our family VW love wasn't a cult, but our '66 model spoke – as did all Volkswagens and most imports at the time – of a return to common sense in your transportation choice. As VW's own marketing so wonderfully communicated, you didn't need big fins or annual model changes to go grab that carton of milk. Or, for that matter, to grab a week's worth of family holiday. In the wretched excess that was most of Motown at the time, the Beetle, Combi, Squareback, and even Karmann Ghia spoke to a minimal – but never plain – take on transportation as personal expression. Fifty years after that initial Beetle exposure, and as a fan of imports for what I believe to be all of the right reasons, the introduction of Volkswagen's Atlas to the world market is akin to a sociological gut punch. How is it that a brand whose modus operandi was to be the anti-Detroit could find itself warmly embracing Detroit and the excess it has historically embodied? Don't tell me it's because VW's Americanization of the Passat is going so well. To be fair, the domestic do-over of import brands didn't begin with the new Atlas crossover. Imports have been growing fat almost as long as Americans have, and it's a global trend. An early 911 is a veritable wisp when compared to its current counterpart, which constitutes – coincidentally – a 50-year gestation. In comparing today's BMW 3 Series to its' '77 predecessor, I see a 5 Series footprint. And how did four adults go to lunch in the early 3 Series? It is so much smaller than what we've become accustomed to today; the current 2 Series is more substantial. My empty-nester-view of three-row crossovers is true for most shoppers: If you need three rows of passenger capacity no more than two or three times a year – and most don't – rent it forgawdsake. If you do need the space more often, consider a minivan, which goes about its three-row mission with far more utility (and humility) than any SUV.

Autoblog Minute: VW Emissions Scandal, New Ford Super-Duty

We got our first looks at look at Ford's new Super Duty truck lineup this week but it's Volkswagen that has been dominating the news cycle, as Matthias Muller is named CEO of the embattled automaker. Autoblog's Senior editor Greg Migliore reports on the recap edition of Autoblog Minute. Show full video transcript text [00:00:00] We got our first looks at look at Ford's new Super Duty truck lineup this week but it's Volkswagen that has dominated the news cycle as Matthias Muller is named CEO of the embattled automaker. I'm Senior editor Greg Migliore and this is your Autoblog Minute Weekly Recap. Super Duty is new for 2017. Our first look at these heavy duty trucks showed increased cab space for passengers, and [00:00:30] a lighter aluminum frame. Ford insists these changes will provide customers with increased towing capacity and fuel efficiency. The all-new Super Duty will be built at Ford's Kentucky Truck Plant, and it goes on sale in late 2016. Now, in case you missed it Volkswagen is under fire for gaming EPA emissions testing. A massive government recall is in the works and the world's top-selling automaker is looking at significant losses in both car sales and its stock value. On top of losing billions of dollars, Volkswagen is also facing [00:01:00] legal issues. And this week we saw Martin Winterkorn step down as CEO of Volkswagen Group. These changes mark just the beginning of VW's arduous process of rebuilding consumer trust. Those are the highlights from the week that was. Be sure to check out my full recap this Saturday, plus some added insight on the Buick Cascada and its pricing strategy. For Autoblog, I'm Greg Migliore. Autoblog Minute is a short-form video news series reporting on all things automotive. Each segment offers a quick and clear picture of what's happening in the automotive industry from the perspective of Autoblog's expert editorial staff, auto executives, and industry professionals.