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8 things you should know about the Lexus LC 500h powertrain

Lexus unveiled the LC 500h today in The Netherlands, and I got to take a look inside its new hybrid system. On one hand it seems like a box of magic – it combines two seemingly incompatible transmission types into one package. But that's also the ingenious simplicity of the thing. We don't have all of the details on how it all works yet, but here's a rundown of the high points.Efficient business in front, low-key party in the back. What makes it all work is the mullet of transmissions. For the new hybrid transmission, Lexus used the Toyota Hybrid Synergy Drive/Lexus Hybrid System – which consists of an e-CVT with a planetary gearset and two electric motors (one for charging the battery, the other for motivation and regen) – and grafted a conventional four-speed automatic onto the back. The two units actually coexist in one package, with the e-CVT making things efficient and the automatic expanding the capabilities. So at the low end, the system can deliver more torque, and the engine can also run at lower rpm on the highway. It's all thanks to those fixed gear ratios, and it's surprisingly simple.Except it's not that simple. This is where the virtual gear ratios come in. Like current Lexus hybrids, the system has ratios it can call up with the e-CVT. In this case, there are six virtual ratios to complement the four real physical ratios, for a total of 10 "gears" at the transmission's disposal. (Not coincidentally, the V8 LC 500 coupe has a 10-speed automatic.) One of the four fixed gears is always engaged when the car is moving, so the 10 ratios come about from combinations of what the e-CVT in front and the automatic in the back are doing. In other words, all 10 ratios are variations on the four fixed gear ratios, which means that all 10 gears could be considered virtual.It won't use all the gears all the time. In Eco mode, the car will start off on electric power and skip the first couple of "gears." When it's set to Sport or Sport +, the engine will be engaged from a stop and the transmission will select the lowest ratio. The sportier modes will also ignore the top couple of gear ratios.It can drive faster with the engine off. In a Lexus GS 450h with the Lexus Hybrid System, for example, at speeds above 62 mph or so the engine has to start up. This is because something needs to take up some slack from the battery-charging motor-generator or else it will start spinning too quickly.

Kia leads J.D. Power's Vehicle Dependability Study for 2022

For the first year ever, Kia leads J.D. Power's annual Vehicle Dependability Study with a score of 145 problems per 100 vehicles. Buick (147) and Hyundai (148) round out the top three. The highest premium brand on the list is Genesis, with a score of 148. It's common for so-called "mass market" brands to lead this particular study, according to J.D. Power, as "premium" brands "typically incorporate more technology in their vehicles, which increases the likelihood for problems to occur" and aren't necessarily built to a higher standard that less-expensive brands. The highest-rated single nameplate is the Porsche 911. It's the third time out of the past four years and the second year in a row that Porsche's quintessential sports car has taken top honors. Porsche as a brand sits in seventh place (162) just behind Lexus (159) and ahead of Dodge (166). At the very bottom of the list is Land Rover with a dismal score of 284; the SUV specialist held the same unfortunate distinction on last year's list. Ram (266), Volvo (256), Alfa Romeo (245) and Acura (244) also performed poorly. The overall industry average score sits at 192 — mass market brands average a score of 190 while premium brands sit 14 points lower at 204. While Tesla is unofficially included in some of J.D. Power's results, the agency says the sample size it has access to for this study is too small to include. As has been the case for the past several years, infotainment systems dominate the list of problems reported by owners. Popular (or unpopular, depending on your point of view) complaints include built-in voice recognition (8.3 PP100), Android Auto/Apple CarPlay connectivity (5.4 PP100), built-in Bluetooth system (4.5 PP100), not enough power plugs/USB ports (4.2 PP100), navigation systems difficult to understand/use (3.7 PP100), touchscreen/display screen (3.6 PP100), and navigation system inaccurate/outdated map (3.6 PP100). While problems with the car's infotainment and technology packages are indeed bothersome, it's important to remember that such issues aren't usually leaving owners stranded with an immovable vehicle like a broken transmission or blown engine would. Culling infotainment complaints from the results would reduce the average problem-per-100-vehicle score by a staggering 51.9 points. The vehicles included in this study are from the 2019 model year. That means owners have had three years to get to know their cars and trucks. It's the 33rd year that J.D.

Lexus NX debuts in turbocharged and hybrid guise

Lexus showed off its polarizing new NX at the 2014 Beijing Motor Show, trotting out both the turbocharged 200t model (Lexus' first production turbo) alongside the hybrid-powered 300h.
We still don't know a great deal about the turbocharged model, aside from the fact that the engine underhood is a 2.0-liter four-cylinder, although we're hoping to get details sooner rather than later. For reference, the 2.0-liter turbo in the BMW X1 pumps out 240 horsepower while the four-pot turbo in the Mercedes-Benz GLA250 turns out 208 horsepower, which leads us to think we should expect the Lexus to fall somewhere between these two figures.
If Lexus' naming strategy in the past rings true here, though, we can confidently say the 300h will use a 2.5-liter four-cylinder Atkinson cycle engine with an electric motor and lithium-ion battery, just like the Lexus ES300h and Toyota Avalon Hybrid. That should mean around 200 system horsepower and well over 30 miles per gallon, although it's probably too early to predict economy with any degree of certainty.