The 2008 Subaru Legacy sits in the era when Subaru had fully established the Legacy as a practical sport sedan and wagon platform with all-weather capability and a distinctly driver-focused character. Buyers looking at this exact model year usually care as much about maintaining the car’s balanced road manners as they do about simple replacement fitment. Tire fitment for the 2008 Subaru Legacy centers on three primary radial sizes: 205/50R17, 215/45R17, and 215/45R18. That creates meaningful differences in wheel diameter, profile, and available tire style, including blackwall performance-oriented options and a whitewall choice in 205/50R17. The right selection starts with confirming the exact sub-model and wheel setup already on the car.
Which Tire Size Is Right for The 2008 Subaru Legacy
The 2008 Subaru Legacy uses three primary tire sizes, and the correct one depends on the exact sub-model and wheel diameter. Two sizes mount on 17-inch rims, while one uses an 18-inch rim, so identifying the sub-model and confirming the wheels on the car should come before comparing tread style, tire series, or appearance options.
Fit(s): 2.5i, 2.5i Limited, and 2.5i Special Edition
Construction: Radial|Rim: 17 in
A 205/50R17 tire uses a 205 millimeter nominal section width, a 50-series aspect ratio, radial construction, and a 17-inch rim. On the 2008 Subaru Legacy, this size is used on several 2.5i-based sub-models and keeps the fitment in a modern radial format that suits everyday driving and replacement service. Available choices include BFGoodrich, American Classic, and Vredestein options, with blackwall and wide whitewall sidewall styles as well as multiple tire series. This size is the one to evaluate when the car wears 17-inch wheels and the goal is a balance of correct fitment, appearance, and intended road use.
A 215/45R18 tire is slightly wider in nominal section width than a 205 and uses a lower 45-series profile on an 18-inch rim. For the 2008 Subaru Legacy, this size applies to specific upper-trim configurations, making wheel diameter confirmation especially important before selection. Product choices in this size center on BFGoodrich blackwall radial tires across distinct g-Force series, giving buyers options within the same core fitment. This is the size to consider when the car already carries the correct 18-inch wheel setup and the focus is staying with the proper low-profile Legacy fitment.
A 215/45R17 tire combines a 215 millimeter nominal width with a 45-series profile and radial construction on a 17-inch rim. On the 2008 Subaru Legacy, this size is tied to a specific performance-oriented sub-model, so it should not be assumed to apply across every Legacy with 17-inch wheels. BFGoodrich offers this fitment in several g-Force series, all in blackwall form, giving the buyer a choice of product character while keeping the same basic size. It is the right place to focus when the car’s sub-model calls for a lower-profile 17-inch setup rather than the 205/50R17 fitment.
Sub-model fitment matters on the 2008 Subaru Legacy because the covered trims do not all use the same tire size. Some versions share 17-inch fitment, but others move to a different low-profile 17-inch size or to an 18-inch wheel, so the exact trim should be confirmed before choosing tires.
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2008 Subaru Legacy 2.5i
The 2008 Subaru Legacy 2.5i uses a 205/50R17 radial tire. That makes the buying decision less about basic size identification and more about choosing the right blackwall or whitewall presentation, brand, and tire series for the car’s intended use.
The 2008 Subaru Legacy 2.5i Limited uses the same 205/50R17 radial fitment as the standard 2.5i. Tire selection can therefore focus on product character and appearance details rather than sorting through multiple primary sizes.
The 2008 Subaru Legacy 2.5i Special Edition also uses a 205/50R17 radial tire. Buyers can stay focused on matching the 17-inch wheel setup and then compare available sidewall style, brand, and series choices within that size.
The 2008 Subaru Legacy 3.0 R Limited uses a 215/45R18 radial tire. That makes wheel diameter the first check, followed by comparison of the available 18-inch blackwall performance-oriented tire options in the correct size.
The 2008 Subaru Legacy GT Limited uses a 215/45R17 radial tire rather than the 205/50R17 size found on several other Legacy trims. Choosing tires for this sub-model starts with staying with that lower-profile 17-inch fitment and then comparing the available g-Force series options.
The 2008 Subaru Legacy GT spec.B uses a 215/45R18 radial tire. Tire selection should begin with confirming the 18-inch wheel setup and then choosing among the available blackwall radial products offered in that exact size.
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 2008 Subaru Legacy Tires for Sale
Available 2008 Subaru Legacy tires are all radial, with choices across 17-inch and 18-inch fitments. Buyers can compare BFGoodrich, American Classic, and Vredestein options by tire series, blackwall versus wide whitewall appearance in 205/50R17, and rim-width compatibility within each size.
These FAQs focus on the 2008 Subaru Legacy’s exact tire sizes, sub-model differences, wheel diameters, available tire styles, and the fitment checks that matter before putting the car back into regular road use.
Tire Size & Fitment
What tire size fits a 2008 Subaru Legacy?
The 2008 Subaru Legacy uses three primary tire sizes: 205/50R17, 215/45R17, and 215/45R18. The correct size depends on the exact sub-model, with 2.5i-based trims using 205/50R17, the GT Limited using 215/45R17, and certain higher-trim versions such as the 3.0 R Limited and GT spec.B using 215/45R18.
That means the first step is identifying the trim and confirming the actual wheels on the car. A Legacy may still have the wrong wheels from a previous owner, so matching the tire size to both the sub-model and the existing rim diameter is more important than choosing by appearance alone.
What size rim does a 2008 Subaru Legacy use?
A 2008 Subaru Legacy uses either a 17-inch or 18-inch rim, depending on the sub-model and tire size. The 205/50R17 and 215/45R17 fitments use a 17-inch wheel, while the 215/45R18 fitment uses an 18-inch wheel.
Rim diameter should be verified before buying tires because a 17-inch tire and an 18-inch tire are not interchangeable. It also helps to confirm wheel width, especially if the car has aftermarket wheels, since the available tire options in these sizes carry different rim-width specifications within their intended fitment range.
Why does the 2008 Subaru Legacy have more than one tire size?
The 2008 Subaru Legacy has more than one tire size because different sub-models use different wheel and tire combinations. Some trims use 205/50R17, some use a lower-profile 215/45R17, and others step up to 215/45R18 on an 18-inch rim.
This is why the trim level matters before replacement shopping begins. Even when two sizes share a 17-inch rim diameter, they are not the same fitment, and the lower-profile 215/45R17 should not be treated as the same choice as 205/50R17 without checking the car’s original wheel setup and intended configuration.
Choosing the Right Tire
What should I consider when choosing a tire for a 2008 Subaru Legacy?
Start with the correct size for the exact 2008 Subaru Legacy sub-model: 205/50R17, 215/45R17, or 215/45R18. From there, compare radial construction details such as tire series, sidewall style, brand, and any useful specification differences like rim-width range, weight, or stated load capacity where those details are available.
The right choice depends on how the car is used and how you want it to look. A buyer replacing tires on a 2.5i may also weigh the appearance difference between blackwall and wide whitewall options, while GT and 18-inch fitments are more centered on staying with the proper low-profile size and wheel pairing.
What sidewall styles are available for 2008 Subaru Legacy tires?
Sidewall style depends on the tire size. In 205/50R17, the 2008 Subaru Legacy has both blackwall options and a wide whitewall option. In 215/45R17 and 215/45R18, the available choices are blackwall radial tires.
That gives 205/50R17 buyers the broadest appearance range, especially if the goal is to add a more distinctive visual treatment to the car. Buyers working with the lower-profile 215/45 fitments will be choosing more by tire series and wheel compatibility than by sidewall styling, since those available options stay within a blackwall presentation.
What brands offer tires for the 2008 Subaru Legacy?
Tire choices for the 2008 Subaru Legacy include BFGoodrich, American Classic, and Vredestein, depending on the size. BFGoodrich appears across all three fitments, while American Classic and Vredestein are available in 205/50R17.
Brand choice should still come after confirming size and wheel diameter. Once that is settled, compare the available series within the correct fitment and decide whether appearance matters as much as driving use, since the broadest mix of brands and sidewall styles is found in 205/50R17 rather than the two 215/45 sizes.
Restoration & Appearance
Which tire should I choose for a period-style 2008 Subaru Legacy?
A period-style 2008 Subaru Legacy tire choice starts with keeping the correct size for the exact trim, since the car uses three different modern radial fitments. Among the available options, 205/50R17 offers the most visual variety, including both blackwall and wide whitewall treatments, while the 215/45 sizes stay within a more contemporary blackwall look.
Appearance should be balanced against the way the car will actually be driven. For a stock-looking road car, staying with the original size family for the sub-model matters more than forcing an unusual sidewall treatment, and buyers focused on exact originality should compare against model-specific period references before making a final choice.
How does tire construction affect the appearance of a restored 2008 Subaru Legacy?
Construction is straightforward on the 2008 Subaru Legacy because its primary fitments are radial tires across all covered sizes. That means the visual difference comes less from bias-ply versus radial shape and more from sidewall treatment, tread presentation, and whether the car uses the standard 205/50R17 look or one of the lower-profile 215/45 fitments.
The main appearance decision is therefore tied to correct fitment and sidewall style. A 205/50R17 Legacy can take on a noticeably different character with blackwall versus wide whitewall tires, while the 215/45R17 and 215/45R18 sizes keep a more modern, sport-oriented look that suits the Legacy’s later-model design language.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2008 Subaru Legacy?
Yes, modifications can affect tire fitment on a 2008 Subaru Legacy, even when the tire size itself is correct for a factory sub-model. Aftermarket wheels, different wheel widths, suspension changes, lowered ride height, and body or fender alterations can all change the space available around a 205/50R17, 215/45R17, or 215/45R18 tire.
A Legacy with changes from stock should be checked for wheel diameter, wheel width, and clearance at full steering lock and suspension movement. It is also smart to verify that the car still carries the tire size intended for its wheel package, since a previous owner may have changed both wheels and tires together.
What should I inspect before driving a 2008 Subaru Legacy on new tires?
Before driving a 2008 Subaru Legacy on new tires, inspect the wheels for damage, confirm the correct rim diameter, and make sure all four tires match the intended size for the sub-model. The tires themselves should be checked for proper inflation, visible damage, and secure bead seating after installation.
It also helps to look beyond the tires and check the car’s general condition. Suspension wear, alignment issues, and uneven brake or wheel-bearing problems can shorten tire life quickly, and a short low-speed test drive is a good way to confirm that the Legacy tracks properly and clears the bodywork without rubbing.
How often should tires on a 2008 Subaru Legacy be inspected?
Tires on a 2008 Subaru Legacy should be inspected regularly, especially if the car sees seasonal use or spends long periods parked. A close inspection should include tread wear, sidewall cracking, bulges, cuts, and signs of air loss, along with a simple pressure check before normal driving or a longer trip.
Low-use cars can develop tire issues even when tread still looks good, so age and storage conditions matter as much as mileage. Checking the tires often also helps catch fitment problems early, particularly on lower-profile 215/45 fitments where alignment, wheel condition, or suspension wear can show up quickly in the tread pattern.
