Infiniti EX37 Tires — Fitment by Year

The 2013 Infiniti EX37 is a compact luxury crossover that sits at the intersection of refined daily driving and composed handling dynamics. Based on the same platform as the G37 sedan, the EX37 carries a sport-tuned suspension and a relatively low ride height for its class, which directly influences the tire choices that work best for it. Shoppers looking to replace or upgrade tires on this vehicle should prioritize ride quality, low road noise, and confident wet-weather grip — qualities that align with what the EX37 was engineered to deliver.

The EX37 was factory-fitted with 18-inch wheels across most configurations, and the OEM tire sizes for that model year are typically in the 225/55R18 range — though you should always confirm the exact size on your door jamb placard before ordering, as trim-level variations can affect the specification. The stock tire sizes reflect a balance between a comfortable sidewall height and responsive handling, and staying close to that overall diameter is important for maintaining accurate speedometer readings and proper ABS function.

For tire category, most EX37 owners will find an all-season touring tire to be the most practical choice. These tires are engineered to handle light wet conditions, dry pavement, and occasional cold temperatures without requiring a seasonal swap. However, if you live in a region with sustained winter conditions — defined as consistent temperatures below 45°F, snow, or ice — a dedicated winter tire set mounted on a spare set of wheels will provide meaningfully better braking and cornering performance. All-season tires are a compromise, and in true winter climates, that compromise becomes more consequential.

Because the EX37 is a luxury crossover rather than an off-road or truck-based vehicle, all-terrain tires are generally not a practical fit. They introduce added road noise, reduced ride comfort, and handling characteristics that don't suit the EX37's sport-tuned setup. The sidewall on an all-season or performance touring tire in this application should be tall enough to absorb road imperfections without feeling floaty — another reason to stick near the OEM diameter rather than downsizing the sidewall significantly for aesthetics. If you do select a larger wheel size, be aware that a shorter sidewall will transmit more road harshness and may be more vulnerable to pothole damage.

Load rating is worth a moment of attention even on a crossover. Confirm that any replacement tire meets or exceeds the load index specified on your door jamb placard. For a vehicle in this class, standard passenger (P-metric) or euro-metric tires in the appropriate load index are typically sufficient, but the placard is the definitive reference. TPMS sensors are standard on this model year, so if you are mounting tires on a new set of wheels or replacing sensors, ensure TPMS compatibility is confirmed before installation.

Because Infiniti offered the EX37 in a single model year for this generation in certain markets, trim and regional specification differences can still affect the correct tire size. Always cross-reference the size printed on your existing tires with your vehicle's door jamb placard and, when in doubt, use your VIN to pull the exact factory specification before placing an order.