Upgrading the suspension of your Mazda CX-5 can significantly enhance both driving dynamics and comfort, transforming your everyday ride into a more engaging and controlled experience. When considering suspension upgrades, the most common choices revolve around coilovers or springs. Understanding the differences between these two options, their advantages, drawbacks, and how they impact your CX-5’s performance can help you make an informed decision tailored to your driving needs.

Understanding Suspension Upgrades for the Mazda CX-5

The Mazda CX-5, known for its balanced ride and responsive handling, benefits from suspension upgrades that refine these traits further. Suspension components play a crucial role in how your vehicle interacts with the road surface, affecting ride comfort, cornering stability, and overall control. Upgrading the suspension not only improves performance but can also enhance the visual appeal of your CX-5 by lowering the stance and reducing wheel gap.

Before diving into specific options, it’s important to grasp the basic suspension components involved:

  • Springs: These support the weight of the vehicle and absorb road shocks.
  • Shock absorbers (dampers): These control the rebound and compression of the springs to smooth out the ride.
  • Struts: A structural component combining springs and shock absorbers, commonly found in front suspensions.

Upgrading springs or coilovers modifies these components to achieve desired handling characteristics, ride height, and comfort levels.

Coilovers: The Ultimate Adjustable Suspension Upgrade

Coilovers are an integrated suspension system that combines a coil spring and shock absorber into a single, compact unit. Their defining feature is adjustability, offering control over ride height, damping stiffness, and sometimes even camber settings (depending on the brand and model). This makes coilovers highly popular among driving enthusiasts and those seeking precision tuning.

Advantages of Coilovers

  • Ride Height Adjustability: Most coilovers feature threaded bodies or adjustable perches, allowing you to lower or raise your CX-5’s ride height to your preference. This helps achieve an aggressive stance or improved aerodynamics while maintaining clearance.
  • Damping Control: Many coilovers allow you to adjust the stiffness of the shocks, tailoring the ride from comfortable daily driving to firm, track-ready handling. This dual-purpose capability lets you customize your suspension for varying conditions.
  • Improved Handling: By fine-tuning spring preload and shock damping, coilovers reduce body roll, improve cornering grip, and enhance steering response. This translates to a sportier, more confident driving experience.
  • Comprehensive Upgrade: Because coilovers replace both springs and shocks, they provide a cohesive suspension setup designed to work in harmony, often resulting in better overall performance compared to piecemeal upgrades.

Potential Drawbacks

  • Cost: Coilovers are generally more expensive than spring-only upgrades due to their complexity and adjustability.
  • Installation and Setup: Installing coilovers is more involved and may require professional alignment and tuning to achieve the best performance.
  • Ride Quality Trade-offs: Aggressive coilover settings can lead to a harsher ride, which may not suit all drivers or daily driving conditions.

Several reputable brands offer coilover kits specifically designed for the Mazda CX-5, such as KW Suspension, BC Racing, and TEIN. These kits vary in price, adjustability, and intended use (street, track, or off-road), allowing you to select one that best matches your driving style and budget.

Upgrading Springs: A Simple, Cost-Effective Approach

Upgrading just the springs—often referred to as lowering springs—is a more straightforward and affordable way to enhance your CX-5’s suspension. These springs replace the factory units, lowering the vehicle’s ride height to reduce body roll and improve handling, while retaining the original shock absorbers.

Benefits of Lowering Springs

  • Improved Appearance: Lowering springs reduce the wheel gap, giving your Mazda CX-5 a sportier, more aggressive stance without drastically changing the ride height.
  • Enhanced Handling: By lowering the center of gravity, springs reduce body roll during cornering, resulting in a more planted and responsive feel.
  • Cost-Effective: Springs are significantly less expensive compared to coilovers, making them accessible for budget-conscious drivers who still want performance gains.
  • Maintained Ride Comfort: Since the factory shocks remain, the ride quality often stays closer to stock, providing a good balance of comfort and performance.
  • Easy Installation: Swapping springs typically requires less labor and no complex adjustments, allowing for quicker and simpler installation.

Limitations of Lowering Springs

  • Fixed Ride Height and Rate: Springs come with a predetermined drop and spring rate, so you cannot adjust them once installed.
  • Shock Compatibility: Factory shocks are tuned for stock spring rates. Lowering springs with different rates can cause premature wear on shocks or degraded performance unless shocks are upgraded in tandem.
  • Limited Customization: Without adjustable damping, you have less control over ride stiffness and handling characteristics.

Brands such as Eibach, H&R, and Swift offer lowering spring kits tailored to the Mazda CX-5. These kits provide varying drop heights, typically ranging from 1 to 2 inches, allowing you to choose the level of aggressiveness that suits your preference.

Coilovers vs. Springs: A Detailed Comparison

Deciding between coilovers and springs depends heavily on your priorities, budget, and how you intend to use your Mazda CX-5. Here’s a comprehensive comparison to help clarify the differences:

Feature Coilovers Lowering Springs
Adjustability Fully adjustable ride height, damping, and sometimes camber Fixed ride height and spring rate
Cost Higher initial investment ($1,000+) More affordable ($200-$500)
Performance Superior handling and customization Moderate handling improvement
Installation Complex; may require alignment and setup Simple; often bolt-on with minimal adjustment
Ride Comfort Variable; can be firm or comfortable based on settings Generally comfortable; closer to stock feel
Longevity and Maintenance More components to maintain; may require periodic adjustment Less maintenance; shocks remain factory

Installation Considerations and Maintenance

Whether you choose coilovers or springs, professional installation is recommended to ensure optimal performance and safety. Both upgrades typically require a wheel alignment after installation to correct camber, caster, and toe settings affected by changes in ride height.

Alignment and Corner Balancing

Lowering your CX-5 changes the suspension geometry, which can lead to uneven tire wear or handling issues if not properly aligned. Coilovers, with their adjustability, often allow for custom corner balancing—fine-tuning suspension stiffness on each corner for maximum performance.

Maintenance Tips

  • Coilovers: Regularly inspect for corrosion, clean threaded bodies to prevent seizing, and check damping settings periodically.
  • Springs: Monitor for sagging or fatigue over time, especially if frequently carrying heavy loads.

Matching Suspension Upgrades with Driving Styles

Your ideal suspension upgrade largely depends on how you use your Mazda CX-5 and what you seek from your driving experience.

Daily Commuting and Comfort Focus

If your CX-5 is primarily a daily driver and you value comfort but want a subtle improvement in handling and appearance, lowering springs are an excellent choice. They offer enhanced stability without compromising ride quality or requiring extensive maintenance.

Weekend Enthusiast and Performance Focus

For drivers who enjoy spirited driving on twisty roads, occasional track days, or want to fully customize their suspension setup, coilovers provide the flexibility and performance necessary to elevate driving dynamics. The ability to adjust ride height and damping allows you to adapt your vehicle to different conditions and preferences.

Off-Road or Mixed Use

While the CX-5 is not a hardcore off-roader, some owners may use it for light off-road adventures. In such cases, suspension upgrades should prioritize durability and ride comfort over aggressive lowering or stiff setups. Specialized coilovers with adjustable damping or progressive springs designed for mixed terrain can be considered.

Additional Suspension Upgrades to Consider

Beyond springs and coilovers, there are other suspension components and modifications that can complement your upgrade:

  • Sway Bars (Anti-Roll Bars): Thicker sway bars reduce body roll and improve cornering stability without affecting ride height.
  • Strut Braces: Improve chassis rigidity and steering response by reducing flex between suspension mounting points.
  • Upgraded Bushings: Replacing rubber bushings with polyurethane or solid bushings enhances suspension precision and feedback.

Combining these components with coilovers or springs can provide a comprehensive suspension setup tailored to your Mazda CX-5’s performance goals.

Conclusion: Making the Right Choice for Your Mazda CX-5

Choosing between coilovers and springs for your Mazda CX-5 suspension upgrade ultimately comes down to your budget, desired level of customization, and driving preferences. Springs provide a simple, cost-effective way to improve handling and aesthetics with minimal impact on ride comfort, making them ideal for everyday drivers seeking a subtle enhancement.

Coilovers, on the other hand, offer unparalleled adjustability and performance potential, suited for enthusiasts who want to fine-tune their vehicle’s suspension for spirited driving or track use. Although they come with a higher price and installation complexity, the rewards in driving dynamics and customization are substantial.

For those uncertain about committing to coilovers, starting with springs is a practical introduction to suspension upgrades. Over time, you can assess whether more advanced coilovers fit your evolving needs.

Whichever path you choose, upgrading your Mazda CX-5’s suspension is a rewarding way to unlock its full potential, enhancing both your driving enjoyment and the vehicle’s overall capability.

Resources and Further Reading