2021 BMW 3-Series Sedan Review: Expected Prices, Release Date, MPG and Performance

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John Bedrow

Automotive Journalist

August 06, 2020 at 11:14 AM

Germans love soccer, they also love their beer and also their cars. And when you talk about German cars, BMW will be the first name to strike. The Bavarian motors have excelled in their cars, be it spacious SUV, crossovers with sassy curvy lines, or their powerful engines. They just fit in the biggest and the most powerful engine they can make, in a car that can fit the same, and race them, be it heavy SUVs. The 2021 BMW 3-series has also received the same master-class skills to make them, what they are, stylish and powerful. Mostly unchanged for the 2021 model, the seventh generation Sedan received a redesign in 2019. The new 3-Series Sedan will be focused on introducing a better version of the predecessor.

Putting its wheels into seventh-generation last year, the 2021 BMW 3-series continues to hit the market with the philosophy of sophisticated design and power. Though they call it executive compact sedans but a 2.0L Turbocharged Inline-4 which hides underneath the hood, makes the 3-series a performance machine, with exhilarating acceleration and some impressive sliding skills. 

BMW is the genie in the automotive world, as the M-specific variant adds some edge-cutting hike to the performance figures and some really cool touches on the outside of the 3-series sedan. The 2021 BMW 3-series will be a package of everything, with a head-turning body. But rivals like Mercedes Benz C-Class, Genesis G70, and Volvo S60 will test its power, comfort, and luxury side by side.

What’s New with the 2021 BMW 3 Series?

  • Improved EPA ratings for the 2021 model
  • Refined engine for better performance
  • Introduction of new 330e version for efficiency and power 

What’s the expected price and release date of the 2021 BMW 3 Series Sedan?

The 2021 BMW 3 Series is likely to come with a starting price of $45,545. Since the 3-Series went through a complete revamp for the 2020 model year, the 2021 model is likely to carry no exterior or interior changes. 

For 2021, we shall see a new 330e hybrid variant among the 3-Series lineup that boasts for better power delivery and fuel efficiency. The new 2021 BMW 3-Series pricing shall be in between the range of $40,000 to $54,000. The 330e shall carry an expected price tag of $44,000. The 2021 model is slated to launch around 2020 fall. 

Will there be an engine upgrade in the 2021 BMW 3-Series?

Engines are something, BMW's emblem is best at. The 2021 BMW 3-series will retain the same tuned 2.0L Turbocharged Inline-4 which was upgraded recently in 2020. The fire breathing engine will churn up 255 hp and 295 lb-ft torque. And, drumroll before we introduce the more powerful M-spec variant which will fit a 3.0L Turbocharged Inline-6 which punches out 382-hp and 369 lb-ft of torque. Both variants get the engine pairing with an 8-speed shiftable automatic gearbox, which handles as smooth as butter.

The 2021 BMW 3-series springs from halt to 60 mph in brisk 5.6 seconds, and if this feels slow, the M-variant, accelerates to the same speed line in just 4.4 seconds, a whole 1.2 seconds faster. 131 mph what the 3-series' taco will read with the full-throttle while the M-variant takes this to 155 mph.


2021 BMW 3-series (Expected)

2020 Mercedes Benz C-class

2020 Genesis G70

2020 Volvo S60







2.0L Turbocharged Inline-4

2.0L Turbocharged Inline-4

2.0L Turbo Inline-4

2.0L Turbocharged Inline-4


8-speed shiftable automatic

9-speed shiftable automatic

8-Speed Automatic

8-Speed Automatic


255 hp @5,000 rpm

255 hp @5,800 rpm

252 hp @6,200 rpm

250 hp @5,600 rpm


295 hp @1,550 rpm

273 hp @1,800 rpm

260 hp @1400 rpm

258 hp @1,500 rpm

0-60 MPH





Quarter Mile





The rivals are like slow, sloppy 4-wheels in front of the 2021 BMW 3-series. However, the power table shows BMW at the first spot with slightly ahead of the Mercedes C-class, while it is followed by Genesis G70 and Volvo S60 at the last. The acceleration test brings out the beast within the BMW 3-series, while the other lag behind with a measurable margin. Thus, BMW 3-series is a ride suited up yet hides the real shredded abs inside.

How many miles to the gallon will the 2021 BMW 3-Series deliver?

The BMW is one of the best automotive manufacturers for a reason, they deliver top-notch performance at an affordable price and with attractive economical figures. The 2021 BMW 3-series will carry over MPG figures of the 2020 model and will deliver 26 mpg in city traffic, 36 mpg on highways, and a combined mpg figure of 30.

A 15.6-gallon fuel tank fills up enough fossil fuel to have unconcerned long drives. The 2021 BMW 3-series will hence deliver a combined range of 468 miles before it thirsts out for gas. The 2021 BMW 3-series is the most economical drive amidst the rivals like Mercedes, Genesis, and Volvo. Though the Mercedes C-class equips the biggest tank, nonetheless the BMW is slightly behind in the range category. 


2021 BMW 3-series (Expected)

2020 Mercedes Benz C-class

2020 Genesis G70

2020 Volvo S60

MPG (city)





MPG (highway)





MPG (combined)





Fuel tank capacity (gallons)





Range (city/highway) (miles)


418 /609/487



*2020 Figures used for reference

The Volvo cheers up at the second spot, followed by Mercedes and lastly Genesis. The range of 468 combined miles is real close to 487 combined miles of Mercedes C-class which has an extra 1.8 gallons fuel tank capacity on the charts, while others hold back a lot.

What to expect from the 2021 BMW 3-Series’ interior?

The BMW badge is all that can tell the sportiness and comforting sensations of the insides of BMW 3-series, even with closed eyes. The 2020 interior had some major tweaks done and 2021 will retain all of it. Firstly the length was increased to add a few extra inches into spacing. The sedan has a 5-passenger seating capacity and none will feel compromising on space. Best of the class, fine leather-wrapped upholstered seats with properly contoured support takes care of the passengers and the driver for when the drives get longer and longer.

Seating includes 6-way manually adjustable front seats with 2-manual headrests and a lot of customizable options. Fine line Anthracite Wood trim with Pearl Gloss Chrome highlight and Anthracite headliner follow up with upper trims. The 40/20/40 split fold-down through-load rear seats are gentle increments in space for longer and oddly shaped luggage. And yes, the BMW 3-series highlights a Panoramic moonroof. The BMW offers best in class cargo capacity of 17 cubic feet. 


2021 BMW 3-series (Expected)

2020 Mercedes Benz C-class

2020 Genesis G70

2020 Volvo S60

Passenger Capacity





Front Row (Head/Shoulder/Leg) (in.)





Second Row (Head/Shoulder/Leg) (in.)





Cargo Capacity (Cubic Feet)





*2020 Model used for reference

The 2021 BMW 3-series feels a little less concerned about quality as the in-cabin upholstery will inevitably feel shy in front of the luxury cabin of Mercedes C-class or Genesis G70, which is the synonym of luxury amidst the rivals. Though BMW 3-features a comforting large cabin with rivals lagging by bits.

2021 BMW 3-Series: Infotainment System and Connectivity 

It's a BMW so it will be packed with tech. The 3-series gets the upgraded iDrive 6.0 in all trims. An 8.8-inch flat screen rests in the middle of the dashboard, which has satellite navigation with the best 3D graphics. The 2021 BMW 3-series, like 2020, chooses Apple CarPlay only, for smartphone connectivity. The sound quality is enriched, thanks to Harmon-Kardon audio system

4G LTE, AUX input, Bluetooth Audio, Hands-free Bluetooth phone, mobile Wi-Fi, real-time weather, and voice input are included in the list of standard infotainment features for the 3-series sedan.

Will there be any changes to the exterior of the 2021 BMW 3-Series?

The stylish exterior has been carried over from the 2020 model to the 2021 BMW 3-series, with no major changes. The front is sleek, with the iconic kidney grilles in the center and sharper headlights with LED DRLs. Being an executive compact sedan, the lines gently flow front to back, while the stance remains wide and low for the agility of a sedan, yet the performance figures depict a whole nother story. The black chrome exhaust tips and L-shaped tail lights at the back give it a lasting impression on the mind.

If the base trim is gloomy, then the M-variant affixes some sporty, stylish features to make this regular drive BMW 3-series sedan, a sure head-turner. The very noticeable change is the nifty spoke, M-specific alloy wheels that are like sports shoes on a tux. The addition of larger air dams and gray accents on the grilles marks the M-variants' exterior touches.


2021 BMW 3-series (Expected)

2020 Mercedes Benz C-class

2020 Genesis G70

2020 Volvo S60

Curb Weight (lbs.)





Length (in.)





Width (in.)





Height (in.)





Ground Clearance (in.)





Wheelbase (in.)





Track Width (in.) F/R





*2020 Figures used for reference

The 2021 BMW 3-series sedan is the lightest but the least lengthy sedan amidst the rivals. The Volvo has the longest length and the heaviest curb weight body in the list. The same is followed by Mercedes and Genesis for length category.

Will the 2021 BMW 3-Series sedan be worth my money and time?

BMW marks the practicality with the spirit of a sports car in the body of a sedan and tagged it as the 3-series. The 2021 BMW 3-series retains most of the brilliant and luring features of the 2020 3-series. Likewise, it is a reliable choice with high performance, low gas-spendings, minimalist yet attractive interior, and some real edgy sporty lines on the outside. The M-specific trims add more juice and some aggressive touches to the exterior which is worth the extra heaviness on the pockets.

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