For 2024, available NissanConnect® Services now includes a three-year trial (up from a six-month trial previously). The telematics feature works with the MyNISSAN smartphone app and includes remote door lock/unlock, remote engine start/stop, vehicle health report, emergency calling and Nissan Skill for Amazon Alexa®. Altima offers buyers a choice of two engines. The standard 2.5-liter 4-cylinder engine impresses with fuel economy ratings of up 27 mpg city, 39 mpg highway and 32 mpg combined for the front-wheel-drive S and SV grades, and 27 mpg city, 37 mpg highway and 31 mpg combined for front-wheel-drive SR and SL models. Also available is the world's first Variable Compression Turbo (VC-Turbo) engine6, rated for 248 horsepower and 273 lb-ft of torque (when using 93 octane fuel) and delivering even more responsive performance.