Is the Mazda RX 8 a good car?

Mazda RX-8: A Good Car for You?

06/04/2008

Rating: 4.59 (8399 votes)

The Mazda RX-8 holds a rather unique position in the automotive world. It’s a car that evokes passion, curiosity, and sometimes, a little trepidation. On one hand, it’s undeniably sporty, incredibly fun to drive, and offers a driving experience unlike almost anything else on the road. It’s not a cramped two-seater like its sibling, the Miata, yet it absolutely delivers that quintessential sportscar feel when you’re carving through bends. But is it, truly, a good car? The answer, as with many unique vehicles, isn't a simple yes or no. It largely depends on what you value in a car and your willingness to embrace its distinctive personality.

Do you carry RX8 brake rotors?
We carry RX8 brakes for every need: street, autocross, and track work (or combination thereof). All of the RX8 brake pad and RX8 brake rotor options below are stock size with the exception of the three RX8 big brake kits in the middle of the page. However, note that there are TWO different stock size RX8 brake rotors!
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The Heart of the Matter: The Rotary Engine

At the core of the RX-8's identity, and indeed its reputation, lies the Renesis Wankel rotary engine. Unlike conventional piston engines, the rotary operates with triangular rotors spinning within an oval housing. This design offers several compelling advantages: it's incredibly compact, lightweight, smooth, and capable of revving to astonishingly high RPMs with remarkable ease. This translates directly into the RX-8's engaging driving character – a free-revving, responsive engine that loves to be pushed. The sound, too, is distinct, a high-pitched whir that's utterly unique.

However, this innovation comes with its own set of considerations. Rotary engines inherently consume oil as part of their lubrication process, which means owners must regularly check and top up the oil – often more frequently than with a conventional car. Furthermore, the engine’s primary wear components, the apex seals, are crucial for compression. Over time and miles, especially if not meticulously maintained, these seals can wear, leading to reduced compression, lower power, increased oil consumption, and eventually, the need for an engine rebuild.

Driving Dynamics: Unparalleled Fun

Beyond the engine, the RX-8 truly shines in its driving dynamics. Mazda engineered this car with exceptional handling balance, achieving a near 50:50 weight distribution. The steering is precise and communicative, providing excellent feedback from the road. Its independent suspension setup ensures superb body control through corners, making it feel agile and planted. Whether you're navigating tight city streets or enjoying a spirited drive on a winding country lane, the RX-8 instils confidence and delivers a genuinely exhilarating experience. It's a car that encourages you to drive, to feel connected to the road, and to enjoy every turn.

Design and Practicality: The Freestyle Doors

One of the RX-8's most distinctive features is its unique 'freestyle' door system. It's not a four-door saloon, nor is it a traditional two-door coupé. Instead, it features front-hinged front doors and smaller, rear-hinged rear doors that open without a B-pillar in between when both are open. This innovative design provides surprisingly good access to the rear seats, which, while not limousine-spacious, are perfectly usable for children or average-sized adults on shorter journeys. This 2+2 seating arrangement makes the RX-8 considerably more practical than a strict two-seater sports car, allowing for occasional passenger carrying or extra luggage space, without sacrificing its sleek, sporty profile.

Running Costs and Maintenance: The Realities of Rotary Ownership

Here's where the "good car" question becomes more nuanced. Owning an RX-8 requires a slightly different mindset than a conventional car. Fuel economy is not its strong suit; expect figures typically in the low to mid-20s MPG, sometimes even lower if driven hard. As mentioned, oil consumption is a characteristic, not a fault, so regular checks and top-ups are essential. High-quality synthetic oil specifically designed for rotary engines is highly recommended.

When it comes to parts, the advice from the user is absolutely spot on: always choose genuine OEM Mazda parts. While aftermarket parts might seem cheaper initially, they often compromise on quality, fitment, and durability. For a car with such unique engineering, using inferior components can lead to premature wear, further issues, and ultimately, higher costs down the line. Investing in genuine parts, especially for critical engine components or suspension, pays dividends in the long run for the RX-8's longevity and performance.

Routine maintenance, such as spark plug changes, coil pack replacement, and ignition lead checks, are more frequent and crucial than on a piston engine to maintain optimal performance and engine health. Neglecting these can accelerate engine wear.

Table: Pros and Cons of Mazda RX-8 Ownership

ProsCons
Exhilarating driving dynamics and handlingHigh fuel consumption
Unique, high-revving rotary engine experienceRequires frequent oil checks and top-ups
Distinctive styling and 'freestyle' doorsPotential for engine wear (apex seals) requiring rebuilds
More practical 2+2 seating than many sports carsSpecific, often more frequent, maintenance requirements
Excellent value on the used marketInsurance can be higher due to performance and engine type
Strong community support and knowledge baseEmission system issues (catalytic converter) can occur

Reliability: Managing Expectations

The RX-8's reliability reputation is often a topic of heated debate. It's not inherently unreliable, but it is sensitive to neglect and improper maintenance. The engine's longevity is directly tied to how well it's looked after. Key factors for a long-lasting engine include:

  • Regular oil changes with the correct oil.
  • Frequent oil level checks and topping up.
  • Ensuring the ignition system (spark plugs, coils, leads) is in top condition.
  • Allowing the engine to warm up properly before revving high.
  • Performing the "SOP" (Shut Off Procedure) correctly to avoid flooding.
  • Regular 'de-coking' runs – driving at higher RPMs for extended periods to burn off carbon deposits.

A well-maintained RX-8 can provide many years of enjoyable driving. However, if buying used, a pre-purchase inspection by a rotary specialist, including a compression test, is absolutely vital to assess the engine's health. Without good compression, an engine rebuild is likely on the horizon.

Is the RX-8 a Good Daily Driver?

For some, yes; for others, perhaps not. Its primary drawbacks as a daily driver are its fuel economy and the need for diligent oil checks. If your commute is long, primarily motorway, and you prioritise low running costs, it might not be the ideal choice. However, if you appreciate its dynamic qualities, its relative practicality, and don't mind the higher fuel bills and specific maintenance routine, it can be a highly rewarding daily companion. It offers a blend of sportiness and usability that few cars can match at its price point.

Buying an RX-8 in the UK: What to Look For

If you're considering an RX-8, thorough research is key. Look for cars with comprehensive service history, ideally from a rotary specialist. Check for evidence of regular oil changes and spark plug replacements. Listen for smooth idling and strong acceleration, without hesitation. A hot start test (turning the engine off and restarting after a short period) can give clues about engine health. As mentioned, a professional compression test is non-negotiable before purchase.

Frequently Asked Questions About the Mazda RX-8

Q: How long do Mazda RX-8 engines typically last?

A: With meticulous maintenance, some original engines can last well over 100,000 miles. However, it's more common for original engines to require a rebuild between 60,000 and 90,000 miles, especially if maintenance has been neglected.

Q: Is the RX-8 expensive to maintain?

A: It can be more expensive than a conventional piston-engined car due to higher fuel consumption, specific oil requirements, and more frequent ignition component changes. An engine rebuild, if needed, is a significant cost.

Q: What kind of oil does an RX-8 use?

A: Mazda recommends a specific grade of synthetic or semi-synthetic oil, typically 5W-30 or 5W-40, that is low ash and designed for rotary engines. Always consult your owner's manual or a rotary specialist.

Q: Does the RX-8 suffer from rust?

A: Like many Japanese cars of its era, the RX-8 can be susceptible to rust, particularly in the UK climate. Check wheel arches, sills, and suspension components thoroughly.

Q: Can I modify an RX-8 for more power?

A: While modifications are possible, significant power gains from the naturally aspirated Renesis engine are challenging and expensive. Most modifications focus on handling, braking, or enhancing the engine's longevity rather than raw power.

The Verdict: Is it a Good Car?

The Mazda RX-8 is not a good car for everyone. It demands attention, understanding, and a willingness to embrace its unique needs. However, for the right owner – someone who appreciates its exceptional driving dynamics, its distinctive design, and the exhilarating character of its rotary engine, and who is committed to its specific maintenance requirements – the RX-8 is an absolutely brilliant, rewarding, and deeply engaging car. It's a testament to Mazda's engineering bravery and offers an experience that simply can't be replicated by anything else. If you're prepared for its quirks, the RX-8 isn't just a good car; it's a fantastic, unforgettable one.

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