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Mercedes-AMG to phase out 5.5-liter V8 after next year [UPDATE]

UPDATE: A previous version of this story indicated that AMG's 6.0-liter twin-turbo V12 was still mated to a five-speed automatic transmission, however the latest models (including the S65 AMG sedan and coupe, SL65 roadster and G65 sport-ute are equipped with the newer seven-speed unit. Mercedes also reached out to point out that the 5.5-liter engine will be phased out gradually, not overnight. There's a lot to love about AMG's 5.5-liter twin-turbo V8. It produces as much as 577 horsepower and 590 pound-feet of torque, and delivers blistering performance to even the heaviest of vehicles. But try not to get too attached, because like its 6.2-liter, naturally aspirated predecessor, it's not long for this world. The latest word comes from Autocar, which reports that Mercedes will release the last applications for the 5.5 biturbo within these next two calendar years in the new GLE63 AMG and upcoming S63 AMG convertible. After that, even though it was only introduced in 2011, it will be phased out. Fortunately Affalterbach has a worthwhile successor already in place in the 4.0-liter twin-turbo V8 from the Mercedes-AMG GT. The smaller powerplant, already in store for the new C63, is already producing 503 hp and 479 lb-ft in S spec. That's still shy of the larger unit's output, but where the 5.5 is nearing the end of its production cycle, the 4.0 is just starting out. Of course the 4.0-liter biturbo isn't the only engine AMG is making these days. Smaller models (based on the front-drive platform) employ the 45-designation, high-output 2.0-liter turbo four. Models at the very top of the lineup, however, use a 6.0-liter twin-turbo V12 that may be a dinosaur, but with 621 hp and 738 lb-ft of torque on tap, still can't be beat.

Least satisfying vehicle rankings seek to highlight the worst cars of the year

Consumer Reports polls its members on all sorts of topics related to how they buy and use products ranging from mobile phones to humidifiers for indoor plants. Cars are regularly one of CR’s most interesting topics, and its recent study on the least satisfying vehicles to own offers insights into the cars people wish they hadnÂ’t purchased. CR polled thousands of members with questions about what they liked and disliked about the vehicle theyÂ’d owned for a few years. When asked if they would definitely repurchase the same car, the following vehicles came back as the least likely to be purchased a second time: Kia Forte: 51% would buy again Nissan Altima: 51% would buy again Nissan Kicks: 49% would buy again Volkswagen Taos: 48% would buy again Kia Seltos: 48% would buy again Jeep Compass: 46% would buy again Mercedes-Benz GLA: 45% would buy again Infiniti QX50: 40% would buy again Mercedes-Benz GLB: 39% would buy again Volkswagen Atlas Cross Sport: 38% would buy again When Autoblog tested the VW Atlas Cross Sport in March 2022, we liked the styling and the price was right, but it lagged rivals in driving excitement and interior quality. A number of recalls donÂ’t help the Cross SportÂ’s cause much, either, as some models have more than a dozen actions by the National Highway Traffic Safety Administration. Even the 2023 model already has four recalls. The annoyance of recalls and the hassle of just-average reliability ratings could have played into the Cross SportÂ’s place as the least satisfying vehicle. On the other end of the spectrum, the Chevrolet Corvette earned the top spot as CR's most satisfying car. The Porsche 911, Rivian R1T, Ford Maverick Hybrid, and Hyundai Ioniq 5 round out the top-five most satisfying vehicles to own. Given the rabid following the 911 has built over the years and the insane performance Chevy derived from the latest Corvette, itÂ’s not surprising to see them in the top spots. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Green Infiniti Jeep Kia Mercedes-Benz Nissan Volkswagen Car Buying Used Car Buying Consumer Reports worst cars

Mercedes-AMG GT S pit against Porsche 911 Turbo in Evo Deadly Rivals test

When Mercedes-Benz announced that its all-new AMG GT would start at $129,900 deeply undercutting the $200,000-plus of its predecessor, the SLS AMG, immediate questions focused on how it'd stack up against the latest crop of high performers that occupy the mid-$100,000 range. Evo, over in the UK, didn't have to wait all that long. The latest installment in the outlet's "Deadly Rivals" series compares the AMG GT with the latest Porsche 911 Turbo. On paper, the test is sure to be interesting. The Mercedes uses a 4.0-liter, twin-turbocharged V8 with 503 horsepower and 479 pound-feet of torque, while a seven-speed AMG Speedshift dual-clutch shuffles power to the back axle. The 911 Turbo's formula is more of a known quantity – 520 hp from a twin-turbo, 3.8-liter flat six with the company's own PDK working in unison with all-wheel drive, torque vectoring and rear-axle steering. Of course, we're not going to spoil the results for you. Take a look at the video up top, and let us know what you think of Evo's latest track battle.