Bmw M2 Vs Bmw M240 Specs – Performance, Drivetrain, And Real-World Results

Deciding between the track-focused M2 and the versatile M240i requires a deep dive into the mechanical components that define their character. This guide breaks down the technical specifications, engine architectures, and chassis dynamics to help you choose the right 2-Series for your driving style and maintenance budget.

If you are standing in a BMW showroom or browsing the used market, you are likely torn between two of the best modern driver’s cars. On one hand, you have the raw, wide-bodied aggression of the M2, and on the other, the polished, all-weather capability of the M240i. Both cars share a similar footprint, but under the skin, they are built for very different missions.

Understanding the bmw m2 vs bmw m240 specs is the first step in determining which car fits your lifestyle, whether you are a weekend track warrior or a daily commuter who enjoys a spirited mountain run. In this breakdown, we will look at the engine internals, drivetrain configurations, and the specific hardware that justifies the price gap between these two German powerhouses.

I have spent years wrenching on BMWs and driving them to their limits, and I can tell you that “on paper” numbers only tell half the story. We are going to look at the real-world implications of these specs, from how they feel on a cold morning start to what you can expect when it is time for a brake job in your home garage.

Understanding the Core Differences in bmw m2 vs bmw m240 specs

To the untrained eye, the M2 and M240i might look like siblings, but the M2 is more like a cousin that spent way too much time at the gym. The primary difference lies in the chassis architecture and the intended use case. The M240i is part of the “M Performance” line, designed to be a balanced bridge between a standard 2-Series and a full M-car.

The M2, however, is a “Full M” product, meaning it inherits significant hardware from its larger brothers, the M3 and M4. This includes a more rigid subframe, additional bracing, and a cooling system designed to withstand hours of track abuse without heat soaking. When comparing the bmw m2 vs bmw m240 specs, the first thing you notice is the width; the M2 is significantly wider to accommodate a larger wheel and tire package.

The M240i uses the G42 chassis, which is already quite stiff and capable. It offers a more compliant ride that does not punish you on pothole-ridden city streets. If you are a DIYer, you will find the M240i slightly easier to live with because it uses more “standard” parts that are often cheaper and more readily available than the bespoke M-components found on the M2.

Engine Architecture: S58 vs. B58

The heart of the bmw m2 vs bmw m240 specs comparison is the engine. The M240i utilizes the legendary B58 3.0-liter turbocharged inline-six. This engine is widely considered one of the best BMW has ever made, known for its smooth power delivery and incredible reliability. It uses a single twin-scroll turbocharger that provides nearly instant torque at low RPMs.

The M2 steps up to the S58 engine. While it is also a 3.0-liter inline-six, it is a high-performance variant featuring twin mono-scroll turbochargers. The S58 is built for high-RPM power, with a redline that pushes further than the B58. It features a forged crankshaft and a track-ready oiling system that prevents starvation during high-G cornering, a critical spec for serious enthusiasts.

For the average owner, the B58 in the M240i feels “punchier” around town because the torque hits lower in the rev range. The S58 in the M2 feels like a racing engine that wakes up as you cross 4,000 RPM. If you plan on tuning your car, both engines have massive potential, but the S58’s internals are beefed up to handle significantly more boost from the factory.

Drivetrain and Transmission: xDrive vs. Pure RWD

One of the most significant bmw m2 vs bmw m240 specs to consider is how the power reaches the ground. As of the current generation, the M240i is primarily sold with BMW’s xDrive all-wheel-drive system (though RWD is available in some markets). This makes the M240i an absolute rocket off the line, especially in wet or slippery conditions.

The M2, conversely, remains a Rear-Wheel Drive (RWD) purist’s machine. While there are rumors of an xDrive M2 in the future, the current spec focuses on steering purity and tail-happy dynamics. This makes the M2 a more challenging but rewarding car to drive at the limit. If you live in a snowy climate, the M240i with a good set of winter tires is nearly unstoppable.

Then there is the transmission. If you want three pedals, your choice is made for you. The M2 offers a 6-speed manual transmission as an option, whereas the M240i is strictly limited to the ZF 8-speed automatic. Don’t get me wrong, the ZF8 is one of the fastest-shifting automatics in the world, but for the DIY mechanic who loves the mechanical connection of a manual gearbox, the M2 is the only way to go.

Performance Figures: 0-60 and Top Speed

When looking at the raw bmw m2 vs bmw m240 specs, the acceleration numbers are surprisingly close. The M240i xDrive can often hit 60 mph in about 3.6 to 3.8 seconds, thanks to its all-wheel-drive traction. The M2, despite having more horsepower (roughly 453 hp vs 382 hp), usually clocks in around 3.9 seconds for the manual and 3.7 for the automatic because it struggles more for grip at the start.

However, once you are moving, the M2 begins to pull away. Its power-to-weight ratio and aerodynamic efficiency allow it to reach higher triple-digit speeds with much more urgency. If you are a regular at “roll racing” events or long highway stretches, the M2’s extra 70+ horsepower becomes very apparent.

Top speed for both is electronically limited to 155 mph, though the M2 can be optioned with the M Driver’s Package, which raises that limit to 177 mph. For most owners, these numbers are academic, but they highlight the M2’s design as a car meant for the Autobahn and the Nürburgring rather than just the local grocery store.

Chassis and Suspension: Track Precision vs. Street Comfort

The suspension is where the bmw m2 vs bmw m240 specs truly diverge for the daily driver. The M240i comes with Adaptive M Suspension as standard or an available option. It is tuned to be firm but forgiving. You can toggle it into “Comfort” mode, and it soaks up highway expansion joints with ease, making it a fantastic long-distance grand tourer.

The M2’s suspension is a different animal. It uses stiffer bushings, unique control arms, and a much more aggressive damping profile. Even in its softest setting, the M2 is “busy.” You feel every pebble and crack in the road. This is intentional; it provides the driver with maximum feedback through the seat and steering wheel.

For the DIYer, the M2’s chassis includes extra underbody bracing that can make some mid-car repairs slightly more time-consuming. However, the M2 also features an Active M Differential, which is a sophisticated electronically controlled limited-slip diff. This allows the car to distribute torque between the rear wheels with incredible precision, helping you power out of corners without spinning the inside tire.

Braking Systems: Stopping Power and Fade Resistance

If you plan on taking your car to a track day, pay close attention to the braking bmw m2 vs bmw m240 specs. The M240i features very capable 4-piston fixed front calipers. For street use and occasional spirited driving, they are more than enough. However, under heavy track use, the smaller rotors and street-oriented pads can suffer from brake fade.

The M2 comes standard with M Compound brakes, featuring massive 6-piston front calipers and larger, cross-drilled rotors. These are designed to dissipate heat much more effectively. The M2 also has specific brake cooling ducts integrated into the front fascia to keep temperatures under control during repeated high-speed stops.

From a maintenance perspective, M2 brake parts are significantly more expensive. A set of front rotors for an M2 can cost double what you would pay for M240i rotors. As a DIY mechanic, you should factor in these consumable costs if you plan on driving the car hard. The M2’s brakes are superior for performance but come with a “M-tax” at the parts counter.

Practicality and Daily Maintenance for DIYers

When we talk about bmw m2 vs bmw m240 specs, we have to mention daily livability. Both cars have the same trunk space and a nearly identical interior layout. However, the M2’s sport seats (especially the optional carbon buckets) are much firmer and have high bolsters that make getting in and out a bit of a workout.

The M240i is the “sleeper.” It is quieter, the exhaust is less boisterous in its default mode, and it doesn’t attract as much attention from law enforcement. It also gets better fuel economy. The B58 engine is surprisingly efficient on the highway, often reaching 30+ MPG, while the S58 in the M2 is much thirstier, rarely breaking the mid-20s.

For the DIY mechanic, both cars are relatively easy to service for basic tasks. Oil changes are straightforward, though the M2 requires a specific grade of high-performance synthetic oil. One thing to note is the tire setup. The M2 uses a “staggered” setup with very wide rear tires that cannot be rotated front-to-back, which means you will be buying rear tires more frequently if you have a heavy right foot.

Wheel and Tire Fitment

The M240i typically runs 19-inch wheels with a relatively narrow profile. This is great for ride quality and replacement costs. You can find plenty of all-season tire options if you live in a climate with varied weather. The wheel arches are tighter, limiting how wide you can go with aftermarket setups without rubbing.

The M2 comes with 19-inch wheels in the front and 20-inch wheels in the rear. This staggered diameter setup is designed to optimize turn-in while maximizing rear-end grip. The wide “hips” of the M2 allow for massive 285mm or even 295mm rear tires. This gives the car its iconic, muscular stance but also means your tire budget will be a significant part of your annual operating costs.

Key Specification Comparison Table

• Engine: M240i (B58 Single Turbo) vs M2 (S58 Twin Turbo)
• Horsepower: M240i (382 hp) vs M2 (453 hp)
• Transmission: M240i (8-speed Auto) vs M2 (6-speed Manual or 8-speed Auto)
• Drivetrain: M240i (xDrive AWD or RWD) vs M2 (RWD Only)
• Weight: Both weigh approximately 3,800 lbs, with the M2 being slightly heavier due to bracing and cooling.
• 0-60 MPH: M240i xDrive (3.6s) vs M2 (3.7s – 3.9s)

As you can see, the bmw m2 vs bmw m240 specs show that the M240i is actually the quicker car in a straight line from a standstill, thanks to its AWD system. However, the M2 is built for the corners and the track, where its superior cooling, braking, and suspension allow it to maintain performance long after the M240i would need to pull into the pits to cool down.

Frequently Asked Questions About bmw m2 vs bmw m240 specs

Which car is better for a daily driver?

The M240i is generally the better daily driver. Its suspension is more comfortable, the xDrive system provides better safety in the rain or snow, and the engine is more fuel-efficient. It provides 90% of the fun with 50% less “harshness” than the full M2.

Is the M2 engine more reliable than the M240i?

Both the B58 (M240i) and S58 (M2) are proving to be very reliable. The B58 is simpler with one turbo and has been in production longer. The S58 is a heavy-duty version of that architecture. As long as you follow strict maintenance intervals, both should easily cross 100,000 miles.

Can I track an M240i?

Absolutely! The M240i is very capable on track. However, you will likely want to upgrade the brake pads and fluid to a more high-temp racing spec. If you plan on tracking more than 5 times a year, the M2’s factory cooling and braking specs make it the better long-term choice.

Does the M2 hold its value better?

Historically, “Full M” cars like the M2 hold their value better than “M Performance” models like the M240i. The limited production numbers and the availability of a manual transmission make the M2 a more desirable car for collectors and enthusiasts in the secondary market.

What are the common DIY maintenance items for both?

For both cars, you will be looking at oil changes every 5,000 to 7,500 miles (ignore the 10k factory recommendation if you drive hard). Cabin air filters and engine air filters are easy DIY tasks. The M2 will require more frequent differential fluid changes if you are using the Active M Diff to its full potential.

Final Thoughts on Choosing Your 2-Series

In the battle of bmw m2 vs bmw m240 specs, there is no “wrong” choice, only the choice that fits your specific needs. If you want a car that can do it all—commute in the snow, blast down a highway, and keep you comfortable on a date night—the M240i xDrive is arguably the best value in the BMW lineup today. It is a precision tool that doesn’t demand too much from its owner.

However, if you live for the weekend track day, if you crave the mechanical feel of a manual gearbox, and if you want a car that looks like it escaped from a GT3 race grid, the M2 is the only answer. It is a compromise-heavy machine that rewards the skilled driver with a level of feedback and theatre that the M240i simply cannot match.

Before you buy, I highly recommend driving both. The spec sheet tells you about the power, but your seat-of-the-pants feel will tell you about the soul. Whichever you choose, keep up with your maintenance, use high-quality parts, and don’t be afraid to get your hands dirty under the hood. Stay safe and enjoy the drive!