The 1983 Subaru GL came from an era when Subaru was building a reputation for compact practicality, all-weather usefulness, and a distinctly loyal following among drivers who valued efficiency over excess. Hatchback, wagon, and sedan-hardtop versions gave the GL a broad role, from everyday commuter to light-duty 4WD runabout. Tire fitment centers on two 13-inch radial sizes, 175/70R13 and 185/70R13, depending on the specific sub-model. That leaves the real choice in sidewall style, tire series, and brand character, especially in 185/70R13 where traditional blackwall, redline, and wide whitewall options are all available. Getting the right size for the exact GL configuration is the first step before narrowing the look and road-use priorities.
Which Tire Size Is Right for The 1983 Subaru GL
The 1983 Subaru GL uses two primary tire sizes, and the correct one depends on the exact sub-model. Both are metric radial tires for 13-inch rims, so the first step is confirming whether the car uses 175/70R13 or 185/70R13. Once that is settled, the decision shifts to brand, sidewall treatment, and the kind of period-style or road-use character you want from the tire.
Fit(s): (5-Speed Automatic), Sedan Hardtop, and Wagon
Construction: Radial|Rim: 13 in
In 175/70R13, the 175 is the nominal section width in millimeters, 70 is the aspect ratio, R identifies radial construction, and 13 is the rim diameter in inches. This is a modern metric radial size that suits 1983 Subaru GL configurations built around a narrower 13-inch fitment. Available choices in this size are centered on blackwall radial construction, including Avon’s CR6ZZ series. It is the size to focus on when the car’s original setup calls for the smaller GL fitment rather than the wider 185-section alternative.
In 185/70R13, the 185 is the nominal section width in millimeters, 70 is the aspect ratio, R denotes radial construction, and 13 is the wheel diameter in inches. On the 1983 Subaru GL, this size applies to certain configurations that use a slightly wider 13-inch tire package. Product choice is broader here, with blackwall, redline, and wide whitewall options from brands including BFGoodrich, Avon, Dunlop, Michelin, and Vredestein across several tire series. This size matters when the sub-model calls for the wider fitment or when appearance is part of the buying decision.
Sub-model fitment matters on the 1983 Subaru GL because tire size is not the same across every configuration. Some versions use 175/70R13, while others move to 185/70R13, so identifying the exact body style or drivetrain setup comes before comparing tire options.
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1983 Subaru GL (5-Speed Automatic)
The 1983 Subaru GL (5-Speed Automatic) uses the 175/70R13 radial size on a 13-inch rim. Tire selection here is mainly about choosing a radial that matches the car’s fitment requirements and intended driving use without stepping into the wider 185-section setup used on other GL versions.
The 1983 Subaru GL Hatchback (4WD) uses the wider 185/70R13 radial fitment. That opens up more visible choice in brand, tire series, and sidewall treatment, while still making it important to confirm wheel width and overall clearance before selecting among the available 13-inch options.
The 1983 Subaru GL Sedan Hardtop uses 175/70R13 radial tires. For this sub-model, the focus is less about appearance variety and more about staying with the correct metric size and 13-inch wheel fitment that suits the car’s original tire package.
The 1983 Subaru GL Wagon uses the 175/70R13 radial size. Choosing within that fitment means confirming the car still has the correct 13-inch wheel setup and then selecting a tire that matches the wagon’s intended road use and overall presentation.
The 1983 Subaru GL Wagon (4WD) uses 185/70R13 radial tires. That gives this version access to a wider assortment of product styles, so the decision usually comes down to balancing the correct fitment with the preferred sidewall look and the character of the tire series.
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 1983 Subaru GL Tires for Sale
Available 1983 Subaru GL tires are all radial 13-inch choices, with Avon covering 175/70R13 and a broader mix of BFGoodrich, Avon, Dunlop, Michelin, and Vredestein options in 185/70R13. The main comparisons are tire series, blackwall versus redline or wide whitewall styling, and rim-width compatibility.
Common 1983 Subaru GL tire questions usually come down to size by sub-model, 13-inch rim fitment, choosing between 175/70R13 and 185/70R13, and deciding which available radial tire best suits the car’s appearance and road use.
Tire Size & Fitment
What tire size fits a 1983 Subaru GL?
A 1983 Subaru GL uses either 175/70R13 or 185/70R13, depending on the sub-model. The 5-Speed Automatic, Sedan Hardtop, and Wagon use 175/70R13, while the Hatchback (4WD) and Wagon (4WD) use 185/70R13. Both are radial tire sizes built for 13-inch rims.
The key is matching the tire to the exact GL configuration rather than assuming every 1983 GL used the same size. Checking the current wheel diameter, confirming the sub-model, and making sure the car has not been changed to aftermarket wheels will keep the tire search focused on the correct fitment.
What size rim does a 1983 Subaru GL use?
The 1983 Subaru GL uses a 13-inch rim with both of its primary tire sizes, 175/70R13 and 185/70R13. Even though the section widths differ, the wheel diameter remains the same across the covered fitments, so the main variation is tire width rather than rim diameter.
That still leaves wheel width as an important detail to verify before choosing among available products. Some tires in these sizes are intended for different rim-width ranges, so it helps to confirm the actual wheel on the car, especially if it has been updated from its original steel or alloy setup.
Do all 1983 Subaru GL sub-models use the same tire size?
No. The 1983 Subaru GL uses more than one tire size across its sub-model range. Standard GL configurations such as the Sedan Hardtop and Wagon use 175/70R13, while the Hatchback (4WD) and Wagon (4WD) use 185/70R13, so the fitment changes with the specific version of the vehicle.
That difference matters because moving between the two sizes affects the tire choices available and can change the look of the car as well. Before selecting a tire, confirm the exact sub-model and check that the wheels presently on the vehicle still match the intended 13-inch fitment.
Choosing the Right Tire
What should I consider when choosing a 1983 Subaru GL tire?
Start with the correct primary size for the exact 1983 Subaru GL sub-model, since the car uses either 175/70R13 or 185/70R13. After size, the next considerations are radial construction, wheel-width compatibility, brand, tire series, sidewall style, and whether the car is being kept as a straightforward driver or given a more restoration-oriented presentation.
A 175/70R13 GL owner has a narrower range of product choices, while 185/70R13 opens up several brands and sidewall treatments. It helps to decide early whether the goal is a simple blackwall look, a more vintage-style redline or whitewall presentation, or a particular series character within the correct fitment.
What sidewall styles are available for 1983 Subaru GL tires?
Sidewall style depends on the tire size. In 175/70R13, available choices are centered on blackwall radial construction. In 185/70R13, the Subaru GL has more visible variety, including blackwall, redline, and wide whitewall options, so appearance becomes a larger part of the buying decision in that wider size.
That makes 185/70R13 especially useful for owners who want the tire to influence the overall look of the car. A blackwall keeps things restrained, while a redline or wide whitewall shifts the presentation noticeably. The right choice depends on the GL’s intended style, not just the fact that the tire shares the correct size.
What brands offer tires for the 1983 Subaru GL?
Available 1983 Subaru GL tires come from Avon, BFGoodrich, Dunlop, Michelin, and Vredestein, depending on the size. Avon appears in both 175/70R13 and 185/70R13, while the broader 185/70R13 fitment also includes BFGoodrich Silvertown Radial, Dunlop Sport Classic, Dunlop SP Sport Aquajet, Michelin XDX-B, and Vredestein Sprint Classic.
Brand choice should be filtered through the correct size first, then narrowed by sidewall appearance, tire series, and the wheel setup on the car. Rather than picking by name alone, compare the available 13-inch products for the specific GL sub-model and decide which combination best matches use, look, and compatibility.
Restoration & Appearance
Which tire should I choose for a period-style 1983 Subaru GL?
A period-style 1983 Subaru GL starts with the correct primary size for the specific sub-model, either 175/70R13 or 185/70R13. From there, the appearance choice comes from the available tire series and sidewall treatment. Blackwall keeps a restrained factory-era look, while redline or wide whitewall choices in 185/70R13 create a more deliberate visual statement.
For a restoration-minded car, the safest approach is to match the size first and then choose the sidewall style that suits the way the car is being presented. If exact originality matters, compare the tire choice against marque references, period photos, or other vehicle-specific historical material before settling on the final look.
How does tire construction affect the appearance of a restored 1983 Subaru GL?
On a 1983 Subaru GL, the primary fitments are radial tires, so the construction itself already aligns with the car’s era. Appearance changes more through sizing discipline, tread and series character, and sidewall style than through a bias-ply-versus-radial decision. In practical terms, the visual difference is strongest in 185/70R13 where multiple sidewall treatments are available.
Keeping the correct 13-inch radial size helps the car avoid looking over-tired, under-tired, or visually out of proportion. Once fitment is correct, a blackwall tends to preserve a straightforward 1980s presentation, while redline or wide whitewall options create a more customized or display-oriented appearance on the finished restoration.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1983 Subaru GL?
Yes. A 1983 Subaru GL may have the correct nominal tire size on paper and still present fitment issues if the wheels, suspension, or ride height have been changed. Aftermarket wheels can alter width or offset, and suspension changes can reduce clearance even when the tire still uses the original 13-inch diameter.
That is why it helps to inspect the actual wheel and vehicle setup before selecting between 175/70R13 and 185/70R13 products. Steering clearance, fender room, and the wheel’s usable width matter, especially on older cars that may have gone through decades of repairs, upgrades, or owner changes.
What should I inspect before driving a 1983 Subaru GL on new tires?
Before putting a 1983 Subaru GL back into regular road use on new tires, inspect the wheels for damage, confirm the wheel diameter and width, and make sure the tires match the correct sub-model fitment. It is also smart to check valve stems, lug hardware, alignment condition, and overall suspension health on a car of this age.
A short road test should follow once pressures are set properly and the tires are seated and balanced. Pay attention to rubbing, pulling, vibration, or uneven steering feel, since those signs can point to wheel issues, alignment problems, or a mismatch between the tire chosen and the car’s actual setup.
How should 175/70R13 and 185/70R13 tires on a collector 1983 Subaru GL be maintained?
Collector-car tires on a 1983 Subaru GL should be checked regularly for pressure loss, tread wear, sidewall cracking, bulges, and cuts, even if the car is driven only occasionally. Low-mileage use does not stop rubber from aging, so stored cars still need periodic inspection and basic tire care.
Clean, dry storage away from prolonged sunlight, heat, and ozone sources helps preserve the tires between drives. It also makes sense to watch for flat-spotting on cars that sit for long periods and to inspect the spare, since an older compact like the GL may still carry emergency equipment that has been overlooked for years.
