The Nissan Altima offers several different trim levels. You can get the 2.5, 2.5 S, 2.5 SR, 2.5 SV, 2.5 SL, 3.5 SR, or 3.5 SL. These trims offer several similarities and differences.All trims offer projector-type halogen headlights. There are smart auto headlights, but these are not available on the 2.5. You can get LED headlights with signature LED daytime running lights on the 2.5 SR, 2.5 SL, 3.5 SR, and 3.5 SL. There is a power sliding glass moonroof that is optional on the 2.5 SV and 2.5 SL, and is standard on the 3.5 SL.The wheelbase of this vehicle is 109.3 inches. The length is 191.9 inches and the width is 72 inches. The height varies and is 57.8 inches on the 2.5, 2.5 S, 2.5 SV, and 2.5 SL. It is 57.9 inches on all other trims.

The trim model you choose determines the engine on the car. The 2016 Nissan Altima offers two engines — the 2.5-liter DOHC I4 and the 3.5-liter DOHC V6. The 2.5-liter gets 182 horsepower and 180 lb.-ft. of torque. The 3.5-liter gets 270 horsepower and 251 lb.-ft. of torque.

The car offers front wheel drive and Xtronic Continuously Variable Transmission on all trims. On the 2.5 SR, 3.5 SR, and 3.5 SL, you'll also get paddle shifters and manual shift mode. Depending on the trim you choose, you'll get between 22-27 mpg city and 32-39 mpg highway.

When getting a new car, it's a good idea to consider the interior options. This allows you to get the features you're looking for. The Altima offers Advanced Drive-Assist display on all models. There are a variety of entertainment and navigation options, depending on the trim you choose, including Nissan Connect with Navigation, mobile apps, and more. There is a rear-view monitor that is available on all trims except for the 2.5.Remote keyless entry is available on all trims. Depending on the trim you choose, you can also get push button ignition and remote engine start and stop system. There is a standard six-way manual driver's seat; however, different trims offer other driver's seat options, including a six-way power adjustable or eight-way power adjustable seat.

Some of the standard safety features on all trims include Vehicle Dynamic Control with Traction Control System, airbags throughout the car, and three-point ALR/ELR seat belt system. In addition, there are optional safety features, depending on the trim you choose. Some of these include blind spot warning, rear cross traffic alert, and predictive forward collision warning.