2020 BMW 3 Series Sedan vs. 2019 Kia Stinger

Detailed Review, Specifications & Comparison

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Safety

The 3 Series Sedan’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Stinger doesn’t offer pre-crash pretensioners.

Both the 3 Series Sedan and the Stinger have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available all wheel drive, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

The 3 Series Sedan’s corrosion warranty is 7 years and unlimited miles longer than the Stinger’s (12/unlimited vs. 5/100,000).

BMW pays for scheduled maintenance on the 3 Series Sedan for 3 years and 36,000 miles. BMW will pay for oil changes, lubrication and any other required maintenance. Kia doesn’t pay scheduled maintenance for the Stinger.

Reliability

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Kia vehicles. J.D. Power ranks BMW 7th in reliability, above the industry average. With 4 more problems per 100 vehicles, Kia is ranked 10th.

Engine

The 330i’s standard 2.0 turbo 4-cyl. produces 35 lbs.-ft. more torque (295 vs. 260) than the Stinger 2.0L’s standard 2.0 turbo 4-cyl. The M340i’s standard 3.0 turbo 6-cyl. produces 17 more horsepower (382 vs. 365) than the Stinger GT’s standard 3.3 turbo V6.

As tested in Car and Driver the 330i is faster than the Stinger 2.0L:

3 Series

Stinger

Zero to 30 MPH

1.9 sec

2.2 sec

Zero to 60 MPH

5.2 sec

6.1 sec

Zero to 100 MPH

13.9 sec

16.2 sec

5 to 60 MPH Rolling Start

6.4 sec

7.4 sec

Passing 30 to 50 MPH

3.2 sec

3.5 sec

Passing 50 to 70 MPH

3.9 sec

4.5 sec

Quarter Mile

13.9 sec

14.7 sec

Speed in 1/4 Mile

100 MPH

95 MPH

Top Speed

156 MPH

132 MPH

Fuel Economy and Range

On the EPA test cycle the 3 Series Sedan gets better fuel mileage than the Stinger:

MPG

3 Series Sedan

RWD

330i 2.0 turbo 4-cyl.

26 city/36 hwy

M340i 3.0 turbo 6-cyl.

22 city/30 hwy

AWD

330i 2.0 turbo 4-cyl.

25 city/34 hwy

M340i 3.0 turbo 6-cyl.

22 city/30 hwy

Stinger

RWD

2.0 turbo 4-cyl.

22 city/29 hwy

3.3 turbo V6

17 city/25 hwy

AWD

2.0 turbo 4-cyl.

21 city/29 hwy

3.3 turbo V6

17 city/25 hwy

Regenerative brakes improve the 3 Series Sedan’s fuel efficiency by converting inertia back into energy instead of wasting it. The Stinger doesn’t offer a regenerative braking system.

Brakes and Stopping

For better stopping power the 3 Series Sedan’s standard brake rotors are larger than those on the Stinger:

3 Series

Stinger

Front Rotors

13 inches

12.6 inches

Rear Rotors

13 inches

12.4 inches

The 3 Series Sedan’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs standard on the Stinger 2.0L are solid, not vented.

The 3 Series Sedan stops much shorter than the Stinger:

3 Series

Stinger

70 to 0 MPH

165 feet

182 feet

Car and Driver

Tires and Wheels

The 3 Series Sedan’s optional 225/35R20 front and 255/30R20 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the Stinger GT’s 40 series front and 35 series rear tires.

For better ride, handling and brake cooling the 3 Series Sedan offers optional 20-inch wheels. The Stinger’s largest wheels are only 19-inches.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the 3 Series Sedan can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Stinger doesn’t offer run-flat tires.

Suspension and Handling

The 330i xDrive handles at .89 G’s, while the Stinger Premium AWD pulls only .88 G’s of cornering force in a Car and Driver skidpad test.

Chassis

The 3 Series Sedan is 4.5 inches shorter than the Stinger, making the 3 Series Sedan easier to handle, maneuver and park in tight spaces.

The design of the BMW 3 Series Sedan amounts to more than styling. The 3 Series Sedan has an aerodynamic coefficient of drag of .26 Cd. That is significantly lower than the Stinger (.3) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the 3 Series Sedan get better fuel mileage.

The front grille of the 3 Series Sedan uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Stinger doesn’t offer active grille shutters.

Passenger Space

The 3 Series Sedan has .4 inches more front headroom and .6 inches more rear headroom than the Stinger.

Cargo Capacity

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the 3 Series offers cargo security. The Stinger’s hatchback body style, non-lockable folding seat and non-lockable remote release defeat cargo security.

Ergonomics

The 3 Series Sedan offers a remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Stinger doesn’t offer a remote starting system.

The 3 Series Sedan’s front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Stinger’s rear power window switches have to be held the entire time to open or close them fully.

If the windows are left open on the 3 Series Sedan the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Stinger can only operate the windows from inside the vehicle, with the ignition on.

The 3 Series Sedan’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Stinger’s standard manually variable intermittent wipers have to be constantly adjusted.

The 3 Series Sedan’s optional Parking Assistant Plus can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Stinger doesn’t offer an automated parking system.

Model Availability

The BMW 3 Series comes in sedan, four door hatchback and station wagon bodystyles; the Kia Stinger isn’t available as a sedan or station wagon.

Recommendations

The BMW 3 Series outsold the Kia Stinger by almost three to one during 2018.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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