Contrary to popular belief, luxury cars are not only defined by their price tags, size and comfort levels. Today\u2019s luxury vehicles are also characterized by their feel and overall experience including brand reputation, where they\u2019re purchased and the customer\u2019s sheer satisfaction of owning a particular car.\r\n\r\nThis year\u2019s lineup of luxury vehicles come in a wide range of options. Automotive vehicle valuation company Kelley Blue Book released a list of best luxury cars under $40,000. From sedans to coupes and SUVs, these luxury model cars have everything you want \u2013 and more.\r\n\r\n[title subtitle="#1"]Cadillac ATS[\/title]\r\n\r\nStarting at around $33,000, this world-class compact luxury sports sedan is ranked as one of the best luxury cars on the market. It comes with a range of engine choices, and its fuel economy is estimated at 22\/33 mpg city\/highway. It impresses consumers with its balanced handling and comfortable riding quality.\r\n\r\nBesides its modern, distinctive design and high-quality materials, top features of this luxury automobile include five seats with extra legroom, Bluetooth, two USB ports and a seven-speaker Bose stereo system. Optional safety features include blind zone alert lane departure warning and adaptive cruise control.\r\n\r\n[title subtitle="#2"]BMW 3 Series[\/title]\r\n\r\nThis sixth-generation vehicle comes in four models including the BMW ActiveHybrid 3. It is a highly desirable entry-level luxury car with a sporty driving character and high-end cabin. Starting at around $31,000, it has fuel-efficient engines, spacious seating and an upscale interior.\r\n\r\nIt has an optional technology package with a hard-drive-based navigation system, high-resolution display, BMW apps and remote service, leather upholstery and keyless ignition. The vehicle comes with ConnectedDrive and BMW Assist \u2013 which include enhanced automotive collision notification, stolen vehicle recovery, remote door unlock and several other luxurious and beneficial features.\r\n\r\n[title subtitle="#3"]Audi A5[\/title]\r\n\r\n\r\n\r\nFor less than $40,000, the 2014 Audi A5 is a sexy car with an amazing driving demeanor, sleek exterior and great fuel economy. It has classic sporty styling and a luxurious interior. Standard features include Bluetooth and keyless ignition\/entry.\r\n\r\nThe A5 is detailed with a well-built, flawless leather interior, has all-wheel drive and high safety ratings. Not only does it come with iPod connectivity, is also boasts an impressive 10-speaker stereo and Audi\u2019s MMI infotainment system. Drivers can opt in for additional features like parking sensors, a backup camera, adaptive cruise control, a blind spot monitoring system, adaptive cruise control, an upgraded MMI system with navigation and a 14-speaker Bang & Olufsen sound system.\r\n\r\n[title subtitle="#4"]Lexus IS[\/title]\r\n\r\n\r\n\r\nOne of the most notable luxury sedans, the Lexus IS is a comfortable and reliable vehicle and a great alternative to the expensive luxury vehicles on the market. Safety features range from stability control systems to multiple airbags.\r\n\r\nThe redesigned sport sedan has a Pre-Collision System that rivals the competition, three additional inches of rear-seat room, revised suspension and steering tuning. Standard features include touch-controlled automatic climate system, keyless entry, leather upholstery, a split-folding rear seat and complimentary real-time traffic and weather.\r\n\r\n[title subtitle="#5"]Infiniti Q50[\/title]\r\n\r\n\r\n\r\nThis compact executive sedan starts at around $41,000 and gets great gas mileage: 20\/29 mpg city\/highway. It has many high-tech electronic and safety features such as Active Lane Control and Predictive Forward Collision Warning, Direct Adaptive Steering and dual LCD touch-screen controls.\r\n\r\nThe stylish sedan has an intricately detailed interior and smoother curves. It also features 6-speaker Bose audio with HD radio and CD player, heated front seats, dual-zone automatic temperature control and a power glass moonroof.\r\n\r\nWhether you\u2019re looking for a sedan with a sleek and sporty exterior or an entry-level luxury car with numerous innovative technology features, these are just five of the best luxury cars available this year.