When it comes to luxury sports sedans, the BMW M3 and M340i stand out as benchmarks in performance, technology, and design. Both belong to the legendary BMW 3 Series lineup, but each brings a unique personality to the road. From the adrenaline-pumping BMW M3 Competition xDrive with its 523 hp engine to the refined yet powerful BMW M340i Sedan, drivers get a perfect blend of motorsport heritage and modern luxury. This guide explores the BMW M3, M3 Competition, M3 Competition xDrive, and BMW M340i Sedan, covering performance specs, design highlights, interior comfort, technology, and FAQs that help make an informed buying decision.

BMW 3 Series M Models: Motorsport DNA on the Road

The BMW 3 Series M lineup showcases what happens when engineering precision meets motorsport passion. Each model delivers powerful acceleration, agile handling, and a thrilling driving experience.

• BMW M340i Sedan – 386 hp, refined yet sporty

• BMW M340i xDrive Sedan – 386 hp with all-wheel drive control

• BMW M3 Sedan – 473 hp with manual transmission option

• BMW M3 Competition Sedan – 503 hp with rear-wheel drive

• BMW M3 Competition xDrive Sedan – 523 hp with all-wheel drive
  Whether choosing the entry-level M340i or the top-tier M3 Competition xDrive, each model guarantees heart-racing performance and BMW’s signature driving dynamics.

Performance and Driving Dynamics

BMW M340i Sedan – A Sporty All-Rounder

The BMW M340i Sedan is powered by a 3.0-liter inline-6 BMW M TwinPower Turbo engine producing 386 hp. It accelerates from 0-60 mph in just 4.4 seconds (4.1 sec with xDrive). The car’s M Sport Differential and M Sport Brakes enhance control, making it suitable for both daily driving and spirited track-inspired experiences.

Key Highlights of the M340i Sedan:

• 0–60 mph: 4.4 seconds

• Horsepower: 386 hp

• Starting MSRP: $61,700

• Available xDrive all-wheel drive option

BMW M3 Sedan – Pure Motorsport Engineering

The BMW M3 Sedan brings 473 hp to the road, powered by a high-performance 6-cylinder engine. With a manual transmission option, it keeps the driving experience pure, appealing to enthusiasts who love the connection between driver and machine.

BMW M3 Sedan Highlights:

• 0–60 mph: 4.1 seconds

• Horsepower: 473 hp

• Manual transmission with precise gear ratios

• Adaptive M Suspension for superior comfort and handling

BMW M3 Competition Sedan – Elevated Power

For drivers seeking more intensity, the BMW M3 Competition Sedan produces 503 hp. It retains rear-wheel drive for traditional performance purists while offering mind-blowing acceleration and an aggressive exhaust note.

BMW M3 Competition Sedan Highlights:

• 0–60 mph: 3.8 seconds

• Horsepower: 503 hp

• Rear-wheel drive setup

• M Steptronic Sport Transmission with Drivelogic

BMW M3 Competition xDrive – The Pinnacle of Performance

The BMW M3 Competition xDrive Sedan takes performance to its peak with 523 hp and all-wheel drive grip. This sedan rockets from 0–60 mph in just 3.4 seconds, making it one of the fastest in its class.

BMW M3 Competition xDrive Highlights:

• 0–60 mph: 3.4 seconds

• Horsepower: 523 hp

• M xDrive system for optimized traction

• Lightweight M Carbon Roof for agility

Exterior Design and Styling BMW M3 vs M340i

Bold Details in the BMW M3

• M Shadowline Lights add dark, aggressive styling around the headlights.

• The M Carbon Exterior Package enhances aerodynamics with carbon-fiber mirrors, spoiler, and diffuser.

• Broad wheel arches and M side gills showcase motorsport inspiration.

Sleek Aerodynamics in the BMW M340i

• Aerodynamic Kit improves airflow and aesthetics.

• LED headlights and taillights with L-shaped design for modern appeal.

• Optional Shadowline rear spoiler for enhanced stability.

Interior Comfort and Technology BMW M3 vs M340i

Inside the BMW M3

The M Carbon Bucket Seats provide lightweight support with illuminated M badges, while the M Steering Wheel offers red M1/M2 buttons for quick access to performance modes. The Carbon Fiber Trim adds motorsport styling to the cockpit.

Inside the BMW M340i

• M Leather Steering Wheel with thumb rests and 12 o’clock stripe.

• Vernasca Leather Upholstery with contrast stitching.

• Available Galvanic Controls for premium interior accents.

Digital and Driving Assistance Features

BMW Operating System 8.5

Both the BMW M3 and M340i feature BMW’s latest curved display with Operating System 8.5, ensuring effortless control of navigation, media, and vehicle settings.

BMW Intelligent Personal Assistant

Drivers can issue voice commands for navigation, climate settings, or checking vehicle status, making the driving experience smarter and more intuitive.

My BMW App

The app provides remote vehicle monitoring, service scheduling, and real-time updates, giving owners direct access to their car from anywhere.

BMW M3 and M340i Colors and Customization Options

The BMW M lineup offers striking colors including Alpine White, Black Sapphire Metallic, Portimao Blue Metallic, Dravit Grey Metallic, Tanzanite Blue II Metallic, Arctic Race Blue Metallic, Brooklyn Grey Metallic, Skyscraper Grey Metallic, and Vegas Red Metallic. Additionally, the M Carbon Roof and M Carbon Exterior Package provide customization options for those who want their BMW to stand out even more.

Buying Guide – Choosing Between M3 and M340i

When the BMW M340i is the Best Choice

• Drivers who want a balance of luxury and performance.

• Those who prefer a lower entry price compared to the M3.

• Suitable for everyday driving with occasional spirited runs.

When the BMW M3 Sedan Fits Best

• Enthusiasts who value raw driving dynamics.

• Drivers who enjoy the precision of a manual transmission.

• A great option for track enthusiasts.

Why Choose the M3 Competition or xDrive

• Maximum horsepower and acceleration.

• M xDrive delivers superior grip in all conditions.

• Perfect for drivers seeking the ultimate sports sedan.

Frequently Asked Questions About BMW M3 and M340i

What is the 0–60 mph time for the BMW M3 Sedan?

The BMW M3 Sedan accelerates from 0–60 mph in 4.1 seconds.

How much horsepower does the BMW M340i Sedan have?

The M340i delivers 386 hp with its inline-6 BMW M TwinPower Turbo engine.

Does the BMW M3 Sedan come with manual transmission?

Yes, the standard BMW M3 Sedan offers a 6-speed manual transmission, while Competition models feature an automatic.

Is the BMW M3 available with all-wheel drive?

Yes, the BMW M3 Competition xDrive Sedan includes M xDrive all-wheel drive for maximum traction.

What is the top model in the BMW 3 Series M lineup?

The BMW M3 Competition xDrive Sedan is the top model, producing 523 hp with a 0–60 mph time of 3.4 seconds.

How do I build and price my BMW M3 or M340i?

BMW offers a Build Your Own tool on its official website, allowing full customization of trims, colors, wheels, and packages.

Final Thoughts

The BMW M3 and M340i Sedans represent the pinnacle of performance-oriented luxury cars. The M340i offers a balance of comfort and sportiness, while the M3 models push the limits with track-ready performance. For drivers seeking the ultimate combination of speed, technology, and iconic BMW styling, the BMW M3 Competition xDrive stands at the top. With multiple trim levels, customizable packages, and advanced digital technology, choosing a BMW M3 or M340i ensures not just a car, but an exhilarating driving experience built on motorsport heritage.

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