2018 Kia Optima vs 2018 Nissan Altima

2018 Kia Optima parked on a highway vs 2018 Nissan Altima driving on a highway alongside a body of water

When it comes to finding a vehicle that checks every box on your list of needs, it can be difficult. Many new models are so similar, it can be hard to decide between one or the other, as they likely have fairly similar features. For example, when you compare the 2018 Kia Optima vs the 2018 Nissan Altima, both vehicles provide drivers with access to Apple CarPlay and Android Auto, along with Bluetooth connectivity. However, just because there are some similarities, it doesn't mean that they both have all the features that you want from your vehicle. To determine which one is the best fit, it is important to compare them before you buy.

2018 Kia Optima


2018 Nissan Altima

Three Engine Options Two
185 hp Base Horsepower 179 hp
Standard Power Heated Exterior Mirrors Not Available
15.9 cu.ft. Cargo Volume 15.4 cu.ft.

Performance and dimensions of the 2018 Kia Optima

When you're going to buy a vehicle, it is important to have options. Drivers who are considering the 2018 Kia Optima will find that there are three engines available across the five different trim levels. The 2018 Nissan Altima only offers two engines, a 2.5L four-cylinder that produces 179 horsepower and 177 pound-feet of torque, and a 270-horsepower, 3.5L V6 engine with 251 pound-feet of torque. On the 2018 Kia Optima, the standard engine is a 2.4L four-cylinder that offers 185 horsepower and 178 horsepower. Also available is a 1.6L four-cylinder engine with Turbocharger that produces 178 horsepower and 195 pound-feet of torque. The highest-powered engine option on the 2018 Kia Optima is the 2.0L four-cylinder with Turbocharger that churns out 245 horsepower and 260 pound-feet of torque. All three engines on the 2018 Kia Optima provides drivers with something different, so no matter what type of performance you're looking for, you'll likely find it.

Though performance is important, most drivers who are considering a sedan are looking for a vehicle that has an interior that provides plenty of space for passengers and cargo. The interior of the 2018 Kia Optima does just that, with a total passenger volume of 104.8 cubic feet. By comparison, the 2018 Nissan Altima only offers 101.9 cubic feet of interior passenger volume. There is also more room for cargo in the trunk. Where the 2018 Nissan Altima has 15.4 cubic feet of storage volume, the 2018 Kia Optima offers 15.9 cubic feet. To learn more about the engine options or to see the interior space for yourself, schedule a test drive of the 2018 Kia Optima at Schaumburg Kia in Schaumburg, IL.