2021 BMW X3 M40i SUV Performance

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2021 BMW X3 M40i Performance, 0-60, Top Speed and MPG

Updated on: April 20, 2021

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M. Nigam

Automotive Journalist


With a starting price of $56,600, the 2021 BMW X3 M40i is now available for sale in the market. The interior of the 2021 X3 M40i now adds Android Auto as a mid-year update, which is the biggest change for 2021. Some other changes include standard Blind Spot Monitoring and Lane Departure Warning.

The 2021 BMW X3 M40i is powered by a 3.0L turbocharged inline-6 engine that spits out 382 hp and 365 lb-ft. of torque. It completes the 0-60 mph test in just 4.4 seconds. Read our detailed performance review of the 2021 BMW X3 M40i and find out how it competes against the Audi SQ5, the Porsche Macan S, and the Mercedes-Benz AMG GLC 43

"Those seeking a performance-oriented crossover will find the X3 M40i more to their liking".- CarAndDriver

 

2021 BMW X3 M40i Engine: Power, Torque and Transmission Options

The 2021 BMW X3 M40i gets a 3.0L twin-power turbocharged inline-6 that can easily produce 355 hp and 369 lb-ft. of torque. This engine is paired with an 8-speed Steptronic automatic transmission that can be controlled through paddle shifters if you want to get up close and personal. The power delivery is in a league of its own since you get the fabled xDrive AWD drivetrain as standard to keep things on point.

2021 BMW X3 M40i has a 3.0L Twin-Power Turbo Inline-6 engine

The interesting part about the twin power turbo is that instead of using two turbochargers, a single turbocharger is in place with two intakes. Each intake is linked to three cylinders to reduce spool time and hence gives a very naturally aspirated feel to the powertrain. The 8-speed gearbox provides smooth and quick gear shifts while the engine revs eagerly especially on the highway. 

Models

2021 BMW X3 M40i

2021 Mercedes-Benz AMG GLC 43

2021 Porsche Macan S

2021 Audi SQ5

MSRP

$56,600

$59,900

$60,200

$52,900

Engine

3.0L Turbo Inline-6

3.0L Twin-Turbo V6

3.0L Twin Turbo V6

3.0L Turbo V6

Drivetrain

AWD

AWD

AWD

AWD

Transmission

8-Speed Automatic

9-Speed Automatic

7-Speed Automatic

8-Speed Automatic

Power 

382 hp @ 5,800 rpm

385 hp @ 6,100 rpm

348 hp @ 5,400 rpm

349 hp @ 5,400 rpm

Torque 

365 lb-ft. @ 1,520 rpm

384 lb-ft. @ 2,500 rpm

354 lb-ft. @1,360 rpm

369 lb-ft. @1,370 rpm

The Mercedes-Benz AMG GLC 43 claims the top spot on the table thanks to its powerful V6 engine. The second place is occupied by the BMW X3 M40i with 382 hp. The Audi SQ5 produces only 349 hp but it is the least expensive SUV here. Priced at $60,200, the Porsche Macan S is the least powerful SUV in this competition. 


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2021 BMW X3 M40i Acceleration: 0-60 and Quarter Mile Times

The 2021 BMW X3 M40i sprints to 60 mph in just 4.4 seconds while the quarter-mile test is completed in 13.4 seconds. The top speed of the 2021 X3 M40i is limited to 155 mph. Considering that it's a ride that is north of 4000 lbs, this is actually a feat of its own.

2021 BMW X3 M40i accelerate 0-60 mph in 4.4 sec

Put the ride into Sport+ mode to experience the sporty nature of the 2021 X3 M40i. Floor the pedal and you will be thrust back into your seat. The quick and precise shifts of the 8-speed transmission help to achieve high speeds on the highway. Hence, overtaking vehicles is very easy.

Models

2021 BMW X3 M40i

2021 Mercedes-Benz AMG GLC 43

2021 Porsche Macan S

2021 Audi SQ5

0-60 MPH (sec)

4.4

4.8 

5.1 

5.1 

Quarter Mile (sec)

13.4 

13.4 

13.2 

13.5 

Top Speed (mph)

155 

130 

158 

155 

The BMW X3 M40i is the quickest SUV to reach 60 mph whereas the Porsche Macan S completes the quarter-mile in 13.2 seconds. The Mercedes-Benz AMG GLC 43  shares the same time as the X3 M40i in the quarter-mile test. Meanwhile, the Audi SQ5 is the slowest SUV in this competition.

2021 BMW X3 M40i Brakes: F/R Rotor Dimensions and Stopping Distance

BMW has fitted its capable warhorse with M Sport performance brakes on all corners. The 2021 BMW X3 M40i can stop from 60-0 mph at a distance of just 112 feet. Despite housing a curb weight of 4,317 lbs, it manages to achieve a decent stopping distance. 

 

2021 BMW X3 M40i brake rotor

13.7-inch rotors handle the reigns in the front while slightly smaller 13.5-inch rotors keep things spritely in the back. With brake drying, brake assist, and ABS with EBD as standard, the X3 M40i has packed in the capability to keep calm in every circumstance and inspire confidence in the driver. 

Models

2021 BMW X3 M40i

2021 Mercedes-Benz AMG GLC 43

2021 Porsche Macan S

2021 Audi SQ5

Brake Rotors Front (in)

13.7

14.2

14.2

13.8

Brake Rotors Rear (in)

13.5

12.6

13

13

Curb Weight (lbs)

4,317

4191

4,293

4,288

60-0 MPH (ft.)

112 

105 

112 

112 

Surprisingly, the Mercedes-Benz AMG GLC 43's braking systems are the best here. The SUV takes only 105 ft. of stopping distance and grabs the top place on the table. The Porsche Macan S and the Audi SQ5 share the same stopping distance as the X3 M40i. 

"The X3’s inherent rear-wheel-drive layout and well-sorted suspension allow it to round corners like a low-slung sedan".- Kelly Blue Book 

2021 BMW X3 M40i Ride and Handling

The 2021 BMW X3 M40i is as good as it gets. Take it out on the highway for a long and scenic drive along the hills or put it in the fast lane to be a daily driver, it is well mannered enough to keep things dignified and yet thrilling. With the available drive modes, the M Sport suspension setup, steering systems, and pedal response change their feelings and give you that true vibe of being the king of the tarmac.

The optional $1,290 Dynamic Handling package brings adaptive dampers, torque vectoring, which breaks the inside rear wheel around turns, bigger M Sport brakes, and variable effort steering. With this package, the X3 M40i handles well enough but it's not as razor-sharp and driver-focused as BMWs used to be. There's a lot of compliance and body roll built-in, no matter which drive mode you choose. 

 

2021 BMW X3 M40i Performance Verdict

The 2021 BMW X3 M40i is priced competitively, packs a massive punch, and can truly handle its own when put to the test. Furthermore, its fuel economy is the best in the segment. All set to thrive and give a classic high rider feel to its owner, the 2021 BMW X3 M40i definitely gets a recommendation from us.


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2021 BMW X3 Performance Reviews


ER

Ellen M. Rangel

2021 BMW X3 M40i SUV

4dr SUV AWD (3.0L 6cyl 8A)

8

User Overall Rating

Posted On: April 1, 2021

5 seater bimmer

Pros - Leather wrapped steering with all driver assists controls, long bonnet which gives sporty edge, good reilability

Cons - Low top speed, ac lags

good mileage of 24mpg, space for 5 poeple inside with great comfort, leather wrapped steering, heated seats, moonrrof, panoramic view, i like the bonnet of this car long and psorty edge, staibility control, brake lights, anti theft alram.

8/10
Features
9/10
Interior
8/10
Design
9/10
Safety
8/10
Reliability
6/10
Deal Value
10/10
Dealer Review

AH

Annie G. Hicks

2021 BMW X3 M40i SUV

4dr SUV AWD (3.0L 6cyl 8A)

10

User Overall Rating

Posted On: March 25, 2021

2021 X3

Pros - Nice interior, stylish, smooth ride

Cons - Expensive to maintain, infotainment is confusing

An unparalleled budget vehicle My BMW X3 is very smooth and easy to drive. Handling is pretty impressive and having an AWD does come handy. Overall a great SUV for the family and even for single person use. My X3 comes with almost all the features I wanted in my next car. The cargo area is well equipped, but the head clearance in the front is too bad. Have hit my head several times while trying to get on the vehicle. 21' wheels and black color gives it all the appeal it needed. Has everything that I know of. Hope it does not die on me. With all options ticked $63,250 Good crew

10/10
Features
10/10
Interior
10/10
Design
10/10
Safety
10/10
Reliability
10/10
Deal Value
7/10
Dealer Review

BA

Berenice K. Aparicio

2021 BMW X3 M40i SUV

4dr SUV AWD (3.0L 6cyl 8A)

10

User Overall Rating

Posted On: March 22, 2021

A premium SUV

Pros - Its fun to drive, Very premium and comfortable cabin, For this comfort and performance it gives out a really good mileage

Cons - The body pillars created blind spots, Interiors arrangements are a bit outdated, It costs more

Its has proven to be best for its value I can feel the power on the vehicle which offers one of the smoothest drive ever, Interiors quality interiors. In my point of view i feel it could have been more rugged, design could have been better. I feel its one of the safest car which is equiped are undoubtedly one of the most comfortable and premium with one of the most advanced safety features

10/10
Features
10/10
Interior
10/10
Design
10/10
Safety
10/10
Reliability
9/10
Deal Value
10/10
Dealer Review

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8

User Overall Rating

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