Goodride SL309 215/75 R15 100Q

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The Goodride SL309 tire is a high-performance all-season tire that provides excellent handling and traction in all weather conditions. The tire’s tread pattern is designed to provide good grip in both dry and wet conditions, and the tire’s sidewalls are reinforced to provide excellent stability and handling. The SL309 tire is also designed to be quiet and comfortable, and it comes with a warranty from Goodride. This tire is designed to be used in all-season conditions.

What does 215/75R15 mean?


The tire width is 215mm.


The aspect ratio of the tire is 75. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width.


The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.

Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates.


Rim diameter for the tire.

215/75R15 100Q tire size

The width of 215/75R15 100Q tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 215/75R15 100Q tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

8.5″ 215mm

Sidewall height

6.3″ 161mm

Diameter / Height

27.7″ 704mm


87.0″ 2210mm

Rim Diameter



728 per mile 452 per kilometer

Rim Size for 215/75R15 100Q Tires

Recommended rim sizes for 215/75R15 100Q tire:

Diameter Width Range
15″ 5.5-7″

What does 100Q mean?

The load index 100 means that the tire has been designed to support 1764 lbs or 800 kg.

The speed index Q means that the tire has been designed to be used in speed up to 100 mph or 160 kph.

This size tire is most commonly used on light trucks and SUVs.


Goodride is a tire brand that offers a wide range of products for a variety of vehicles. Their tires are known for their durability and performance, and they offer a wide selection of sizes and tread patterns to choose from. Whether you need tires for your car, truck, SUV, or even your trailer, Goodride has a tire that will suit your needs.

Tire Specification

Brand: Goodride
Model: SL309
Season: All season
Size: 215/75 R15
Load Index: 100 — 800 kg | x4 - 3200 kg
Speed Index: Q — 160 km\h
Car Type:SUV
Road: On/Off road
XL / Extra Load: No
RunFlat technology: No
Commercial / Reinforced: No
EU Label
Fuel efficiency: E
Wet grip: C
Noise level: 73dB