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2014 Audi Q5 TDI

I've struggled with diesel technology. It's not that I have a problem with it or dislike it, but rather that I don't particularly understand what stops its wider-spread adoption. Sure, memories of rust-prone, smoky, sluggish and uneconomical Oldsmobile diesels aren't exactly easy to erase from the collective memory of the North American motoring public, but I'd think that a few years into the latest crop of clean diesels, there'd be wider adoption - or at least consumer consideration - by now.
Part of the issue is the still limited number of segments that diesels are available in. The Volkswagen Golf/Jetta TDI is finally getting a challenger in the form of the Chevrolet Cruze Diesel, and the BMW 328d is bringing something new to the entry-level sports sedan, but there are still a huge group of segments where diesel-power has no representation.
The small, luxury crossover realm is not one of those. It has the Mercedes-Benz GLK250 Bluetec, a stylish crossover with a silky-smooth 2.1-liter, turbodiesel four-cylinder that can return the kind of fuel economy that makes people take notice. And while the GLK250 is quite good, economy will only spread the diesel's appeal so far. People need to experience the seat-flattening torque that these mills can produce, and for that, we most humbly recommend the new 2014 Audi Q5 TDI.

2017 Audi A4 Prestige is round 2 of our long-term test

The first of our long-term Audi sampler platter, a Glacier White metallic 2017 A4 Premium Plus, has already departed from the fleet. Replacing that mid-grade model is a range-topping 2017 Audi A4 Prestige wrapped in a beautiful shade of Moonlight Blue metallic paint. At first glance, aside from the color, not much appears to be different between the two models. Here's what's changed. What we got The Prestige trim starts at $46,850 and sits atop the A4 range. The only way to go up is to step into the new S4, but that dish comes later. The A4 Prestige comes with all of the expected trimmings - a 2.0-liter turbocharged inline four making 252 horsepower and 273 lb-ft of torque, a seven-speed dual-clutch transmission, and Quattro all-wheel drive - along with most of the features from the Premium Plus package such as LED headlights and a 3D Bang & Olufsen sound system. Prestige extras include parking sensors with a surround view camera, a full-color heads-up display, LED interior lighting, and bits from the technology package such as Audi virtual cockpit, MMI navigation, and extra parking sensors. The technology package was a $3,250 option on our first A4. The biggest difference between the two models is the availability of certain options. Only the Prestige can be equipped with the warm weather package, the adaptive dampening suspension, and the driver assistance package with adaptive cruise control and active lane assist. We passed on these in order to keep things similar to our long-term Jaguar XE. We added 19-inch wheels with 245/35ZR19 Hankook Ventus S1 evo2 summer tires because Michigan isn't cold and desolate all year round. That said, we did check the box for the cold weather package with heated seats at all four corners and a heated steering wheel. The final option was the sport package that adds a black headliner, sharper suspension, and four-way power lumbar support. All in, the new A4 rings up at $51,575, just less than $2,000 more than the $49,825 Premium Plus, as the latter was equipped with the now-unavailable $1,100 First Edition package. What we skipped We decided once again to skip the manual transmission. While it may inject a little more fun into an already enthusiastic car, few shoppers actually opt for a three-pedal setup. With that in mind, we chose the excellent seven-speed dual-clutch transmission, a no-cost option. We also decided to keep things simple and passed on the driver's assistance package.

Audi will have an autonomous car in 2020 using NVIDIA tech and AI

Audi and NVIDIA have been working together for a while, with most of the results being fancy infotainment systems like the current version of MMI and Audi's Virtual Cockpit display setup. Now the two are partnering to build autonomous vehicles that will leverage NVIDIA technology. Audi has a demonstrator now and promises a fully autonomous car for the year 2020. The tech underlying these new self-driving vehicles is NVIDIA's DRIVE computing platform. It uses the latest in artificial intelligence concepts, including neural networks, which are basically computer science's way of modeling decisionmaking after the way the human brain works. The network is able to learn and improve as it goes by making new connections. Machine learning tasks being handled by neural networks include computer vision, which can use a combination of sensors and cameras to help a computer, in this case the car, figure out what's going on in an environment to navigate through it. The companies are already demonstrating a version of DRIVE, the DRIVE PX 2, in the autonomous Audi Q7 shown above. The crossover is able to figure out its own path and can sense and drive on different types of surfaces, including pavement, grass, and dirt, plus it can navigate the cones of a simulated construction zone while reading dynamic detour signs. In 2018, Audi will expand testing of its autonomous vehicles on California public roads. The manufacturer has been permitted to test cars in the state since 2014. In announcing the expansion, Audi makes a point to mention it intends to follow applicable laws to the letter, which seems like more than a veiled reference to the trouble Uber found itself in recently when it didn't quite meet testing requirements in San Francisco. Audi has also promised Level 3 autonomy from the 2018 A8, which will feature a system called Traffic Jam Pilot to control the steering, throttle, and brakes at speeds below 35 mph. The company's previous autonomous work includes a self-driving RS7 track car named Bobby, which our own Jonathan Buckley got to race against in the Translogic episode below. Related Video: