Compare 2018 BMW 3 Series 320i vs 330i

2018 BMW 3 Series 320iVS2018 BMW 3 Series 330i
180 HPHorsepower248 HP
23 city / 35 hwyFuel Economy24 city / 34 hwy

Differences Between the BMW 320i & 330i


The base BMW 320i packs plenty of performance. Its 2.0-liter, TwinPower Turbo four-cylinder engine develops a healthy 180 horsepower and 200 pound-feet of torque. You can choose between a six-speed manual or an eight-speed automatic transmission. If you desire even stronger acceleration, step up to the 330i model. Although its engine is similar to that of the 320i model, BMW tuned it to produce a more formidable 248 horsepower and 258 pound-feet of torque. Both models are incredibly efficient. While the BMW 320i can return a combined 28 mpg, the BMW 330i can deliver an equally as impressive 27 mpg. BMW’s traction-enhancing xDrive AWD system is available as an option.


For good reason, the 2018 BMW 320i is ranked among the best values in the class. It comes standard with an outstanding number of standard features. BMW’s iDrive infotainment system promises to leave you impressed with its sharp graphics and helpful controller knob. Some of the other highlights include a nine-speaker sound system, Bluetooth connectivity, and push-button start. You’ll find a few more upgrades inside the BMW 330i, including power-adjustable sport seats and paddle shifters. Whether you choose the 320i model or the 330i model, your family will have plenty of space to stretch out. Edmunds gives the new 3 Series a perfect, five-star rating for its comfort.


All versions of the 2018 BMW 3 Series offer exceptional crash protection. The NHTSA stamped the new 3 Series with a five-star overall safety rating. A total of eight airbags surround the cabin. Both the 320i and the 330i come standard with auto-dry brakes, which ensure great stopping power even during wet weather. For 2018, a backup camera has also been added to the sedan’s list of standard safety features. You can gain extra peace of mind by adding BMW’s optional Driver Assistance package. Some of the package’s innovations include forward collision warning with low-speed automatic braking, lane departure warning, and pedestrian detection. Advanced driving aids, such as blind-spot monitoring and adaptive cruise control, are available as well.

As you can see, these 3 Series models bring a lot to the table. While the entry-level BMW 320i has a lower price tag, the BMW 330i packs an extra degree of performance. To determine which 3 Series model fits you the best, contact BMW of Florence to request a test drive.

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BMW of Florence 34.1883981, -79.8174176.