2018 BMW M4 Vs M5: Specs Compared

by Jhon Lennon 34 views

Alright guys, let's dive into a showdown between two Bavarian titans: the 2018 BMW M4 and the 2018 BMW M5. When you're looking for that perfect blend of luxury, performance, and that unmistakable BMW M-car pedigree, these two often come up. But what's the real difference between them? Let's break down the specs so you can see which beast might be the right fit for your garage. We're talking horsepower, torque, acceleration, dimensions, and all those juicy details that make these cars so special. So, buckle up, because this is going to be a fun one!

Engine and Performance: The Heart of the Matter

When we talk about the 2018 BMW M4 vs 2018 BMW M5 specs, the engine is where the story really kicks off. The 2018 M4 comes packing a serious punch with its S55B30 twin-turbocharged 3.0-liter inline-six engine. This masterpiece of engineering churns out a healthy 425 horsepower in the standard model, and if you opt for the Competition Package, you're looking at a cool 444 horsepower. Torque figures are equally impressive, sitting at 406 lb-ft across the board. This potent powerplant allows the M4 to sprint from 0 to 60 mph in about 3.8 seconds (with the M-DCT transmission and Competition Package), making it an absolute rocket on wheels. It's agile, it's responsive, and it delivers that raw, engaging driving experience that M enthusiasts crave. The inline-six configuration is known for its smooth power delivery and its distinctive, aggressive growl, especially when you push it. The twin-turbo setup ensures that boost is readily available across the rev range, giving you effortless acceleration whether you're merging onto the highway or carving up a winding road. BMW really nailed the tuning on this engine, providing a fantastic balance between everyday usability and track-day prowess. It’s the kind of engine that makes you want to find excuses to drive, just to hear that symphony of power.

Now, let's switch gears and talk about the 2018 BMW M5. This is where things get really serious. The M5 boasts a larger, more powerful S63B44T4 twin-turbocharged 4.4-liter V8 engine. And the numbers here are just stratospheric. It produces a staggering 600 horsepower and an earth-shattering 553 lb-ft of torque. This beast of an engine, paired with BMW's new M xDrive all-wheel-drive system and an 8-speed M Steptronic transmission, allows the M5 to achieve 0 to 60 mph in an astonishing 2.8 seconds. Yes, you read that right. Under three seconds! This V8 isn't just about brute force; it's also incredibly refined, offering a surge of power that is both immediate and relentless. The V8's characteristic growl is deeper and more resonant than the M4's inline-six, a true testament to its muscular capabilities. The advanced all-wheel-drive system is a game-changer, allowing drivers to dynamically adjust power distribution between the front and rear axles, even offering a pure rear-wheel-drive mode for those who want the ultimate M experience. It’s a complex piece of technology designed to put all that power down effectively without sacrificing the car’s inherent rear-drive M character. The sheer volume of power available means that overtaking is an afterthought, and the sensation of acceleration is simply breathtaking. It’s the kind of performance that redefines what a four-door sedan is capable of.

Drivetrain and Handling: Getting the Power Down

When we're comparing the 2018 BMW M4 vs 2018 BMW M5 specifications, the drivetrain and how they handle that power is a crucial differentiator. The 2018 M4 comes standard with a 6-speed manual transmission, a purist's dream, offering a truly engaging and connected driving experience. For those who prefer faster shifts and don't want to row their own gears, the 7-speed M Double Clutch Transmission (M-DCT) is available, which significantly enhances acceleration times. The M4 is exclusively rear-wheel drive (RWD). This is classic M car territory, providing that balanced, predictable, and often playful handling that enthusiasts love. The steering is sharp, the chassis is communicative, and while it can be a handful when pushed to its absolute limits, it rewards skilled drivers with incredible feedback and control. The suspension is firm, designed for performance driving, and while it might be a bit stiff for some on rougher roads, it keeps the M4 planted and composed through corners. BMW’s Active M Differential plays a vital role in optimizing traction and stability, ensuring that power is distributed effectively to the rear wheels. The M4 feels nimble and agile, smaller than the M5, which contributes to its more track-focused, sports car-like feel. It’s a car that encourages spirited driving and offers a direct connection between the driver, the machine, and the road.

On the other hand, the 2018 M5 introduced a revolutionary change with its M xDrive all-wheel-drive system. This isn't your typical AWD; it's a performance-oriented system that can be adjusted by the driver. You can choose between AWD, RWD-Sport (which sends more power to the rear wheels), and a full RWD mode. This versatility means the M5 can adapt to various driving conditions and driver preferences, offering both incredible traction and stability when needed, and the classic RWD fun when desired. It’s paired exclusively with an 8-speed M Steptronic automatic transmission, which is lightning-fast and incredibly smooth, perfectly complementing the V8's massive torque. The handling is, as expected for a car of its size and power, incredibly capable. Despite its larger footprint, the M5 feels surprisingly planted and confidence-inspiring, thanks to the advanced AWD system and sophisticated suspension tuning. While it might not feel as overtly nimble or playful as the M4 in tight corners, its sheer grip and stability allow for astonishing cornering speeds. The steering is precise, though perhaps slightly less communicative than the M4's, but it’s still well-weighted and direct. The M5 offers a blend of extreme performance and everyday usability that is hard to match. It’s a super-sedan that can handle track duty one day and a family road trip the next, all while delivering an exhilarating driving experience.

Dimensions and Practicality: Size Matters

When you're pitting the 2018 BMW M4 vs 2018 BMW M5 specs against each other, the physical dimensions and practicality are significant factors, especially if you need more than just a weekend warrior. The 2018 BMW M4, whether in Coupe, Convertible, or Gran Coupe (four-door) form, is generally a more compact vehicle. The Coupe, for instance, has a wheelbase of 110.7 inches and an overall length of 184.7 inches. It's designed to be more of a sports car, which means the rear seats are tighter, and cargo space is more limited. For the Coupe, you're looking at around 11.1 cubic feet of trunk space, which is adequate for a couple of weekend bags or groceries, but certainly not cavernous. The Gran Coupe, being a four-door variant, offers slightly better rear-seat accessibility and a bit more practicality, but it still inherits much of the M4's sporty, compact feel. The focus here is on driver engagement and performance, so practicality takes a slight backseat. It's perfect for individuals or couples who prioritize driving dynamics over passenger space or extensive cargo hauling. The lower roofline and sleeker profile contribute to its sporty aesthetics but do reduce headroom and ease of entry/exit for rear passengers compared to a larger car. Think of it as a highly capable and luxurious sports coupe that can occasionally carry passengers, rather than a comfortable four-seater.

Now, the 2018 BMW M5 is a different proposition altogether. As a mid-size luxury sedan, it’s significantly larger, with a wheelbase of 117.0 inches and an overall length of 196.5 inches. This extra size translates directly into more interior space and practicality. The rear seats are far more accommodating, offering ample legroom and headroom for adults, making it a genuinely comfortable car for passengers on longer journeys. The trunk space is also considerably larger, offering around 18.7 cubic feet. This is enough for multiple suitcases, golf clubs, or a week's worth of family shopping. The M5 is designed to be a high-performance executive sedan, meaning it blends incredible speed and handling with the comfort and utility expected of a luxury sedan. It’s the kind of car that can impress clients, ferry the family in comfort, and still deliver a thrilling driving experience on your favorite road. The larger dimensions contribute to a more substantial road presence and a smoother ride on the highway, absorbing imperfections better than the M4. It’s the ultimate car for someone who wants blistering performance without compromising on space or comfort.

Technology and Interior: Where Luxury Meets Performance

Let's talk tech and the cabin experience when comparing 2018 BMW M4 vs 2018 BMW M5 specs. Both cars showcase BMW's commitment to luxury and driver-focused design, but with subtle differences reflecting their intended purpose. The 2018 M4's interior is undeniably sporty and premium. You'll find high-quality materials throughout, supportive M sport seats designed to keep you firmly in place during spirited driving, and a driver-centric dashboard. The iDrive infotainment system, operated via a central dial and screen, is intuitive and offers navigation, media, and connectivity features. Standard features often include things like automatic climate control, Bluetooth connectivity, and a good sound system. Options could include enhanced Merino leather upholstery, a Harman Kardon sound system, heated seats, and advanced driver-assistance features. The overall feel is one of focused performance; everything is within easy reach, and the ergonomics are excellent for enthusiastic driving. While luxurious, the cabin emphasizes its performance capabilities with sportier trim elements and a slightly more minimalist approach compared to the M5, focusing on the driving experience above all else. It feels snug and purposeful, like a high-performance cockpit.

The 2018 M5, being the flagship performance sedan, offers a more opulent and feature-rich interior. The materials are top-tier, with exquisite leather options, real wood or carbon fiber trim, and a generally more refined ambiance. The seats are also incredibly comfortable and supportive, often offering a wider range of adjustability and comfort features like ventilation and massage functions, even on the standard models. The iDrive system in the M5 is typically more advanced, potentially with a larger screen, more connected services, and enhanced features like gesture control. It also benefits from a more comprehensive suite of standard luxury and convenience features, such as a head-up display, a premium sound system (often standard or a highly upgraded option), and a wider array of active safety and driver-assistance systems. The cabin is designed to be both a performance machine and a luxury cruiser, offering a more serene and comfortable environment for all occupants. It feels more spacious and stately, befitting its executive sedan status, while still retaining all the essential M performance cues. It’s a masterful blend of luxury, technology, and raw power.

Pricing and Value: What's the Damage?

Finally, let's touch on the 2018 BMW M4 vs 2018 BMW M5 specs concerning pricing. Keep in mind that these are 2018 model year figures, and current used car prices will vary significantly based on condition, mileage, and options. For a 2018 BMW M4, the original MSRP typically started in the $70,000 - $80,000 range, depending on the body style (Coupe, Convertible, Gran Coupe) and any factory options or packages like the Competition Package. The M4 offered a substantial amount of performance and M-car pedigree for its price point, making it a highly desirable option for performance enthusiasts looking for a sports coupe or sedan.

The 2018 BMW M5, on the other hand, was in a higher price bracket, with original MSRPs starting around $100,000 - $110,000. This higher price reflected its larger size, more powerful V8 engine, advanced M xDrive AWD system, and the overall positioning as a flagship performance sedan. It offered a significant step up in terms of luxury, technology, and outright performance capabilities compared to the M4. The M5 was positioned as a premium, no-compromise performance machine for those who wanted the best of both worlds: supercar-level acceleration and handling combined with executive sedan comfort and practicality. When considering value, it really depends on your priorities. The M4 offers incredible performance and driving engagement at a more accessible price point, while the M5 provides a more luxurious, powerful, and practical package for a higher investment. Both represent fantastic examples of BMW's M division expertise, just tailored for different needs and budgets.