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Audi Prologue concept drives itself to CES with updated powertrain

What's the point in crafting a one-off concept car if it only gets to stand in the spotlight at one show? That's what automakers have been asking themselves recently, and the answer has, generally speaking, been to repaint their show cars, give them a bit of new tech and put them back on center stage. And the latest to do so is Audi, which has given its Prologue concept a new lease on life. The Prologue was originally unveiled at the Los Angeles Auto Show less than two months ago, showing the way forward for the future of Audi design, in an elegant coupe form that looked ready to take on the Mercedes S-Class Coupe. We even got a chance to drive it around the streets of LA, and when we did, we marveled at the concept's advanced infotainment system that caters a range of personal preferences according to who's on board. "It's easy to see how this could even reach for chauffeured, or autonomously driven vehicles" in the future, we said at the time. And it turns out Audi was on the same page. At CES this year, Audi has brought back the Prologue concept, given it a darker coat of grey paint, a grey-tone interior (instead of the previous shades of brown and tan), a fresh set of wheels and equipped it with the autonomous tech the German automaker has been at the forefront of developing. Though other automakers have been fitting their self-driving prototypes with all-electric powertrains, Audi kept the 4.0-liter twin-turbo V8 in place – but fitted it with a hybrid assist to drive output up from an already prodigious 605 horsepower and 516 pound-feet of torque to an even more impressive 677 hp and 701 lb-ft, dropping the 0-62 time down to 3.5 seconds. Now that's the kind of "piloted driving" tech (as Audi calls it) that we can get behind.

2016 Audi RS7 Performance is an LA beauty in blue

The whole point of the new 2016 Audi RS7 Performance is directly in its name, and the Four Rings now claims 605 horsepower from its 4.0-liter twin turbo V8. For those keeping track of big-brother bragging rights, Audi claims 560 hp from the standard RS7. Plus, the engine's torque can jump from 516 pound-feet to 553 lb-ft during the temporary overboost function. An eight-speed automatic gearbox still sends power to the front and rear through the Quattro all-wheel drive system. The results of all these upgrades are a sprint to 60 miles per hour in 3.6 seconds and a top speed of 190 mph. The RS7 Performance is about more than just power; Audi also fits carbon ceramic brakes and an RS Sport Suspension with Dynamic Ride Control. The exterior also sees some minor tweaks that include a restyled rear diffuser, new 21-inch wheels, black tailpipes, and a gloss black grille. RS sport seats come standard inside. The RS7 Performance arrives at Audi dealers in December and prices start at $129,925 (after $925 for destination). Get a good look at this very quick, fastback sedan in the gallery above. Related Video: Plus performance: the new Audi RS 6 Avant performance and RS 7 Sportback performance 4.0 TFSI now with 445 kW (605 hp) and up to 750 Nm (553.2 lb-ft) Like a supercar: from 0 to 100 km/h (62.1 mph) in 3.7 seconds New model designation hones brand's sporty profile Even more performance coupled with outstanding efficiency – that is what is behind the new "performance" model designation at Audi. The Audi RS 6 Avant performance* and Audi RS 7 Sportback performance* further hone the brand's sporty profile. Their 4.0 TFSI engine with 445 kW (605 hp) and up to 750 Nm (553.2 lb ft) of torque push acceleration (3.7 seconds) nearly to levels usually reserved for supercars. Fuel consumption remains unchanged at 9.6 and 9.5 liters per 100 kilometers (24.5 and 24.8 US mpg), respectively, corresponding to 223 and 221 g CO2 per km (358.9 and 355.7 g/mi). These are best-in-segment figures. The new Audi RS 6 Avant performance and the new Audi RS 7 Sportback performance offer more power output than ever before. The 4.0 TFSI now produces 445 kW (605 hp) and maximum torque of 700 Nm (516.3 lb-ft). A particular highlight of the engine is an overboost function allowing the driver to temporarily draw on up to 750 Nm (553.2 lb-ft).

2019 Infiniti QX50 vs. compact luxury SUV rivals: How they compare

With apologies to the EX35, or whatever it was eventually renamed, Infiniti has been without a proper, competitive entry in the compact luxury SUV segment. You know, the segment that's growing faster in sales and entries than any other? To say the 2019 Infiniti QX50 is long awaited would therefore be an understatement. At first glance and drive, the new QX50 would indeed seem to be wildly more competitive than its predecessor, which come to think of it, was eventually called the QX50 as well. This one is based on an all-new front-wheel-drive platform, and although it lacks the inherent verve of the old, rear-drive- and 370Z-based one, the resulting increase in cabin space should be a welcome tradeoff. In fact, as you'll see below, the QX50 has gone from one of the smallest compact SUVs to the most spacious. How does it stack up in every other way? Say, against the segment's four best-selling entries last year: the 2018 Lexus NX 300, 2018 Acura RDX, 2018 Audi Q5 and 2018 BMW X3. On paper at least, really well as it turns out. Let's go to the spreadsheet! Discover and compare other luxury crossovers with our Car Finder and Compare tools. Comparing engines, drivetrains and transmissions With the exception of the Acura, all of the contenders come with 2.0-liter turbocharged four-cylinder engines. As you can see, the Infiniti is the heavyweight amongst the four-bangers, boasting the most horsepower and torque. The Acura V6 nips it by 11 hp, but the QX50 is still the overall torque champ. Plus, as we documented in the QX50 first drive, the Infiniti's new VC-Turbo engine is also the most technologically advanced. The Lexus is the wimp of the group and is also the second-heaviest, which isn't exactly the ideal scenario. The Infiniti is the only one in the group to feature a continuously variable transmission. That's not going to generate much applause around here. The BMW tops the gear count with eight, while the Audi is the only entry with a dual-clutch automated manual. The Acura and Lexus have only six gears, but they're good transmissions and it's not like their fuel economy is off the pace. The Audi and BMW come standard with all-wheel drive, while the others offer a choice of front- or all-wheel drive. Comparing cargo and interior space The new front-wheel-drive platform is paying dividends inside for the 2019 QX50, as it now boasts the most maximum cargo space at 65.1 cubic feet.