Each week, car shoppers worldwide tune into AutoGuide‘s videos to help make their purchasing decision easier.

For the past week, our most watched video is our comparison test between the 2014 Audi Q5 TDI and 2014 Mercedes-Benz GLK 250 Bluetec. The battle of the luxury diesel crossovers could interest you if you’re in the market for one. In addition, American SUVs garnered plenty of attention with our 2015 Chevrolet Tahoe review. Lastly, sports car owners are wondering if all the changes to the 2014 MINI Cooper S are worth it.

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The Ford Focus ST will be getting a diesel variant according to Mark Fields, Ford’s chief operating officer.

The 2015 Mercedes-Benz Sprinter 4×4 will arrive in the U.S. early next year.

Driving in downtown London may be getting a little more difficult. There’s talk of banning older cars from parts of the UK capital if they don’t meet certain emissions requirements.

Continuing its line of production-intent concepts, Volkswagen unveiled its T-ROC concept today ahead of the Geneva Motor Show.

This week’s AutoGuide‘s most watched videos saw our Ford Mustang Boss 302 vs. Mitsubishi Lancer Evolution comparison video eclipse one-million views!

In addition, diesel shoppers are curious to see how the Audi A6 TDI stacks up against the BMW 535d while off-roaders are interested in Toyota’s TRD Pro offering.

Watch the videos below and subscribe to the  AutoGuide YouTube channel here.

The National Highway Traffic Administration proposed a new rule today that would force auto makers to place prominent plain language badges to distinguish their alternative fuel vehicles.

Chrysler dealerships have ordered over 8,000 Ram 1500 EcoDiesel pickups in the first weekend that they were able to do so.

The next-generation Toyota Tundra will receive a version of the same Cummins diesel powerplant as the next  Nissan Titan pickup.

BMW unveiled its brand new 2014 740Ld xDrive flagship at the Chicago Auto Show.

At the 2014 Chicago Auto Show, Nissan showed off a diesel-powered Frontier pickup truck concept, hoping to gauge consumer interest.

Mazda has solved the problems with its new Mazda6 diesel meeting emissions standards but the family sedan is still not ready for prime time.

Nissan made some pretty bold claims when they announced their partnership with Cummins to make the 2015 Nissan Titan diesel powered. Did they meet their goals? According to some leaked information – yes and no.

BMW LITERALLY made a BIG reveal right here at the Chicago Auto Show. The 2015 740Ld xDrive is a long-wheelbase version of the brand’s already gargantuan 7 Series flagship, but with a twist. It features all-wheel drive and a diesel engine.

Hoping to gauge customer interest, Nissan is displaying a “project” version of its Frontier mid-size pickup with a 2.8-liter Cummins four-cylinder diesel engine. 

Chrysler’s Ram pickup trucks took a big risk when they jumped to and eight-speed automatic transmission to boost fuel economy, but the new diesel is setting a new industry benchmark.

In the market for a three-row SUV but want to know what will get you the best fuel economy? AutoGuide has compiled the top 10 most fuel-efficient three-row SUVs available today based on their combined MPG rating.

The 2014 BMW 740Ld xDrive will is making its way to the American market, and it will make its U.S. debut at the 2014 Chicago Auto Show.

General Motors is considering adding a small displacement diesel engine for its Chevrolet Silverado and GMC Sierra 1500 pickups.

One of the best-received newcomers to the mid-size sedan market is making a go of things without one of its promised engines and will continue to do so indefinitely. 

Volkswagen just revealed its Passat BlueMotion concept bound for its debut in Detroit next week.

Mazda has revealed more details on its prototype race cars that will be competing in the 2014 TUDOR United SportsCar Championship.

As it tends to do around this time, the year is steadily drawing to a close; 2013 is dwindling like a tiki torch running out of citronella-scented oil. The last flickers are smoldering, but she burned brightly for 12 months so the end is not in vain.

Between Volkswagen and Audi, VW AG managed to sell more than 100,000 diesel-powered vehicles to U.S. customers this year.

Gas-powered vehicles will remain dominant on the road in 2040 according to a report by the U.S. Energy Information Agency.

More and more automakers are leaving naturally aspirated engines behind for units with turbochargers or superchargers. Is this the new trend moving forward, or just a fad?