on 2040-cars

Auto blog

Hyundai CVVD engine brings another dimension to valve timing

A new technology from Hyundai Motor Group places another marker on the march to more efficient internal combustion engines. Called Continuously Variable Valve Duration, the innovation permits two options for how long the intake valves remain open during the combustion cycle. The feature adds a third take on valve chicanery, atop variable valve timing that changes when valves open, and variable valve lift that changes how far valves open. Hyundai says the feature returns a 4% improvement in performance, a 5% increase in fuel economy, and lowers emissions by 12%. Hyundai applied for two patents on the valvetrain process in South Korea in 2011 and again in 2015. The altered valve duration in this latest iteration is made possible by two movable arms inside the camshaft. Each arm is anchored at its base to a pin at the center of the camshaft, while the end of each arm extends toward the edge of the camshaft. Changing the position of the pin in the center of the camshaft changes the angle of the arms relative to one another, which moves the camshaft along its mounting rod. Voila, a new intake cam profile that either lengthens or shortens valve overlap.   During low-speed spells at low load, CVVD opens the intake valve from the middle to the end of compression stroke. The weaker detonation isn't a factor at low load, and the reduced friction during compression improves fuel economy. During heavy engine loads, the intake valve closes at the beginning of the compression stroke to maximize the amount of air mixed for detonation, boosting torque. Four additional features enhance the benefits of CVVD. A more powerful direct injection system increases fuel spray pressure from 250 bar to 350 bar. Hyundai doesn't go into details on its Integrated Thermal Management System, but says the ITMS "quickly heats or cools the engine to the optimal temperature." Low-friction components lower overall engine friction by 34 percent. And a low-pressure exhaust gas recirculation layout diverts low-pressure exhaust gas from the traditional EGR route to the turbocharger compressor under high load for better fuel efficiency.   The first engine to boast the new tech is the Smartstream G1.6 T-GDi four-cylinder, which produces 180 horsepower and 195 pound-feet of torque. It will appear in the 2020 Hyundai Sonata Turbo going on sale in South Korea later this year.

Next-gen 2021 Kia Sorento spied testing in the Alps

Kia just launched the new three-row Telluride into the world, but that doesn't mean its original seven-passenger model is going away. Far from it. The camouflaged vehicle you see here is the next-generation Sorento caught testing in the Alps while undergoing some strenuous trials. One of those happened to be towing a BMW X5, as seen in the photos. Due to the heavy amount of cladding and wrappings, it's difficult to pick out specific styling elements. However, we imagine the front fascia is going through a massive change up. It's tough to say what direction they're heading, but the openings do mimic what we see on the vehicle today. The current Sorento doesn't have an upright, tough appearance, and the prototype we see here doesn't appear to be a massive change in the status quo. Kia made the Telluride its big, butch crossover, so differentiation with that SUV is most likely necessary. Moving along the side, Kia appears to have changed up the mirror position, placing them below the window line on the doors instead of above in the A-pillar area. We can't see the door handles or body lines, but we'll assume Kia has something new and interesting cooked up under there. Finally, the most mysterious part of all is the rear end. Kia broke out the massive body armor for this one, making sure nobody can tell what's going on underneath. Perhaps the rear-end design is where we'll see the biggest changes for the Sorento. We don't imagine there will be anything extreme like a chopped and angled roof/rear window for styling purposes, though, especially if the Sorento intends to keep all three rows open for business. That said, the existence of the Telluride could prompt some changes to the vehicle's purpose in Kia's lineup. Even though Kia gave the Sorento a light refresh for 2019, this next-generation model is probably coming in the next couple years. Kia used a very light brush for that mid-cycle refresh, and this update will signal a totally new generation of the SUV. We'll expect to see new powertrains, possibly with electrification in the form of a hybrid or plug-in hybrid come into the fold. We didn't get a look inside, but given the current Sorento and luxurious new Telluride, we'd have high hopes for something quite nice.

Best cheap SUVs: You don't have to pay a lot to get a lot

Here's a news flash: Everything is a lot more expensive now! And that definitely goes for new SUVs, with prices that keep nudging higher and higher. Actually "nudging" might be too soft of a description for their motion. "Skyrocketing" is probably more accurate.  While higher prices and hefty interest rates have likely knocked a lot of people out of the new car market entirely, there are still quite a few cheap SUV choices. Better still, they're not terrible! Far from it, in fact. While the lowest price SUVs used to be drab, sorry affairs best left to the lots of Avis and Budget, that is definitely not the case today. Not only are there legitimately appealing cheap SUV choices, they offer genuine differences in character, capability and design. It's not just a series of anonymous boxes with different badges. Below you won't just find a simple list of the cheapest SUVs available. We are actually pointing out the best ones. They are listed from least expensive to most expensive, with none exceeding a starting price of $30,000. Most are subcompacts, but a few of our top choices in the compact SUV segment snuck on. Finally, please excuse the crummy photo quality. We sought out representative trim levels of the prices in question rather than just reusing pretty carmaker-provided photos of the most expensive trim levels. This is what the cars will actually look like. Kia Soul Why it stands out: Ample space and abundant features for the money; unique style; strong turbo engine upgrade Could be better: All-wheel drive is not available Starting Price: $21,315 Read our most recent Kia Soul Review The Kia Soul definitely didn't start off as a small SUV, and the term "crossover" is probably better applied to it. Still, what started life as an undefinable funky tall hatchback now finds itself in its third generation with numerous vehicles of similar shape and size that are dubbed "small SUV" or "small crossover." If it walks like a duck and quacks like a duck ... Call it what you will, but the Soul delivers the goods with tons of equipment and space for its price and size, an agreeable driving demeanor, and an even more powerful engine upgrade than the Kona's. We also think it's pretty cool. All of the above helped it win our subcompact SUV comparison test. Now, if there's one area where the Soul does not satisfy a typical SUV requirement, it's the lack of available all-wheel drive.