The 2009 Mitsubishi Eclipse came at the end of the model’s modern sport-compact era, carrying forward the coupe-and-convertible character that made the name familiar to enthusiasts who wanted sharp styling with everyday road manners. At this stage, tire choice is driven less by vintage-style construction and more by matching the exact trim and wheel package. The 2009 Mitsubishi Eclipse uses either 225/50R17 or 235/45R18 radial tires, depending on sub-model. Available choices stay within a blackwall performance-oriented look, with BFGoodrich and Nitto options across several series. The key is confirming whether the car is a GS, GT, Spyder GS, or Spyder GT before comparing tire specifications.
Which Tire Size Is Right for The 2009 Mitsubishi Eclipse
Two tire sizes apply to the 2009 Mitsubishi Eclipse, and the difference comes down to sub-model and wheel diameter. GS and Spyder GS models use a 17-inch radial fitment, while GT and Spyder GT models use an 18-inch radial fitment. Before choosing a tire, identify the exact sub-model and confirm whether the car is still on its original wheel diameter, since that determines which size belongs on the vehicle.
The 235/45R18 size is also a metric radial, with a 235-millimeter nominal section width, a 45-series profile, radial construction, and an 18-inch rim diameter. For the 2009 Mitsubishi Eclipse, this fitment belongs to GT and Spyder GT models equipped with the larger wheel package. Product choices center on BFGoodrich blackwall performance tires, including multiple g-Force series. This is the size to evaluate when the car carries its 18-inch wheels and the buyer wants to compare series differences, load-related specifications, and wheel-width suitability within the correct GT fitment.
Sub-model fitment matters on the 2009 Mitsubishi Eclipse because tire size changes with both trim and wheel diameter. Checking whether the car is a GS, GT, Spyder GS, or Spyder GT is the first step before comparing tire choices.
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2009 Mitsubishi Eclipse GS
The 2009 Mitsubishi Eclipse GS uses the 225/50R17 radial fitment on a 17-inch wheel. Tire selection here centers on choosing among available blackwall performance-oriented options while confirming the car still carries the correct wheel diameter.
The 2009 Mitsubishi Eclipse GT uses the 235/45R18 radial fitment on an 18-inch wheel. That makes wheel confirmation especially important before purchase, followed by comparison of the available BFGoodrich series in the proper size.
The 2009 Mitsubishi Eclipse Spyder GS shares the 225/50R17 radial size with the GS coupe. The main decision is not between multiple primary sizes, but among the available product options that suit the 17-inch wheel setup.
The 2009 Mitsubishi Eclipse Spyder GT uses the 235/45R18 radial fitment, matching the GT coupe. Tire selection starts with the 18-inch wheel requirement and then moves to comparing series, rim-width specifications, and related product details.
The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:
Suspension changes (lowering, lift kits, spring replacements)
Body alterations (fender modifications, custom bodywork)
If your vehicle has been modified from factory specifications, verify tire clearance before purchase.
Best 2009 Mitsubishi Eclipse Tires for Sale
Available 2009 Mitsubishi Eclipse tires focus on the two correct radial sizes, with BFGoodrich and Nitto choices in blackwall form. The main differences in the product grid are tire series, rim-width compatibility, weight, and certain load-related specifications.
These 2009 Mitsubishi Eclipse tire FAQs focus on the exact size for each sub-model, wheel-diameter differences between GS and GT applications, product-selection factors, and the fitment checks that matter before regular road use.
Tire Size & Fitment
What tire size fits a 2009 Mitsubishi Eclipse?
The 2009 Mitsubishi Eclipse uses two different radial tire sizes: 225/50R17 and 235/45R18. The 225/50R17 size applies to the GS and Spyder GS, while the 235/45R18 size applies to the GT and Spyder GT.
That means the correct choice depends on the exact sub-model and its wheel diameter. A buyer should confirm whether the car is a coupe or Spyder, whether it is a GS or GT, and whether the wheels are still the original diameter before selecting a tire.
What size rim does a 2009 Mitsubishi Eclipse use?
A 2009 Mitsubishi Eclipse uses either a 17-inch or 18-inch rim, depending on sub-model. GS and Spyder GS models use the 17-inch fitment with 225/50R17 tires, while GT and Spyder GT models use the 18-inch fitment with 235/45R18 tires.
Wheel diameter is the first thing to verify because the two tire sizes are not for the same rim. It also helps to confirm wheel width and whether the car has aftermarket wheels, since those details affect which available tire options are appropriate within the correct size.
Do all 2009 Mitsubishi Eclipse sub-models use the same tire size?
No. The 2009 Mitsubishi Eclipse does not use one tire size across all sub-models. GS and Spyder GS models use 225/50R17, while GT and Spyder GT models use 235/45R18.
That difference matters because tire shopping starts with sub-model identification rather than brand or tread pattern. A GT owner should not assume a GS tire size applies, and a GS owner should not move to the GT size without first confirming wheel diameter, wheel width, and clearance.
Choosing the Right Tire
What should I consider when choosing a 2009 Mitsubishi Eclipse tire?
Start with the correct size for the car: 225/50R17 for GS and Spyder GS, or 235/45R18 for GT and Spyder GT. From there, compare construction, rim-width compatibility, tire series, weight, and any stated load-related specification that matters for how the car is driven.
The available choices for this Eclipse are all radial blackwall tires, so the decision is more about matching the tire to the wheel setup and intended use than choosing between vintage-style constructions. It also helps to confirm the car has not been altered with different wheels or suspension changes.
What sidewall styles are available for 2009 Mitsubishi Eclipse tires?
The available tire options for the 2009 Mitsubishi Eclipse use a blackwall sidewall style. That applies to both 225/50R17 and 235/45R18 fitments, so the visual presentation stays clean and modern rather than shifting toward whitewall, redline, or raised-letter styling.
Since sidewall appearance does not vary here, the more useful comparisons are tire series, brand, and wheel-width suitability. For an owner trying to preserve the Eclipse’s late-model sport-compact character, blackwall keeps the look in line with the car’s original era without adding a period-style treatment from an earlier generation.
What brands offer tires for the 2009 Mitsubishi Eclipse?
BFGoodrich and Nitto both offer tires for the 2009 Mitsubishi Eclipse, though availability depends on the exact size. The 225/50R17 fitment includes BFGoodrich and Nitto options, while the 235/45R18 fitment shown here centers on BFGoodrich offerings.
Brand should be compared alongside tire series, rim-width range, and any load specification tied to the individual tire. Rather than choosing by name alone, it makes more sense to first confirm the right size for the sub-model and then compare the product details that match the car’s wheel setup.
Restoration & Appearance
Which tire should I choose for a period-style 2009 Mitsubishi Eclipse?
A period-style 2009 Mitsubishi Eclipse tire choice starts with retaining the correct modern radial size for the sub-model: 225/50R17 for GS and Spyder GS, or 235/45R18 for GT and Spyder GT. The available products also keep the appearance in a blackwall format that suits the car’s late-2000s sport-compact presentation.
Because this Eclipse comes from a much newer era than classic bias-ply cars, appearance is shaped more by correct size and wheel proportion than by decorative sidewall choices. An owner focused on preserving the car’s original look should confirm the actual wheel diameter and avoid guessing based on another trim.
Does correct tire fitment matter for a 2009 Mitsubishi Eclipse restoration?
Yes, correct tire fitment still matters on a 2009 Mitsubishi Eclipse restoration or preservation project. The right tire size affects how the car sits, how the wheel opening looks, and whether the overall presentation matches the intended GS or GT configuration.
This is especially important because the Eclipse uses two different wheel diameters across its sub-models. Restoring appearance is not only about tread brand or series; it also means verifying the wheel size on the car and choosing the corresponding radial fitment rather than mixing GS and GT specifications.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2009 Mitsubishi Eclipse?
Yes. Modifications can affect tire fitment on a 2009 Mitsubishi Eclipse even when the tire size sounds close to stock. Aftermarket wheels, different wheel widths, suspension lowering, alignment changes, or body modifications can all change how a 225/50R17 or 235/45R18 tire sits on the car.
That is why it helps to inspect the actual wheel diameter and width before replacing tires, especially on an older enthusiast-owned coupe or Spyder. Steering clearance, fender clearance, and suspension condition should also be checked so the selected tire matches the car as it currently exists.
What should I inspect before driving a 2009 Mitsubishi Eclipse on new tires?
Before driving a 2009 Mitsubishi Eclipse on new tires, check tire pressure, wheel condition, lug hardware, tread and sidewall condition, and the overall age and health of the remaining tires if only two are being replaced. It also makes sense to inspect alignment and suspension wear.
A proper inspection helps the new tires perform as intended and reduces the chance of uneven wear or clearance problems. On a car that may have seen aftermarket changes over time, confirming the wheel diameter, wheel width, and tire-to-fender space is just as important as mounting the correct nominal size.
How often should tires on a 2009 Mitsubishi Eclipse be inspected?
Tires on a 2009 Mitsubishi Eclipse should be inspected regularly, especially if the car is driven seasonally or spends long periods parked. Look for air loss, uneven tread wear, cracking, bulges, cuts, and any sign that the tires are aging even if tread depth still appears usable.
Regular checks matter because sporty coupes and convertibles can hide fitment issues until the car is back on the road. A quick inspection before longer drives is worthwhile, and any Eclipse with older wheels, modified suspension, or limited recent use deserves extra attention to pressure, condition, and clearance.
