215/40ZR17 Tire Size

All You Need to Know About 215/40ZR17 Tires

215/40ZR17 tires are approximately 23.8 inches tall, 8.5 inches wide, and designed for 17-inch wheels. The ZR designation identifies a high-speed-rated radial category commonly associated with W- and Y-rated performance tire applications.

Drivers comparing 215/40R17 tires with 215/40ZR17 should know the dimensions remain effectively identical, but 215/40ZR17 tires are more commonly positioned in ultra-high-performance and reinforced performance tire lines. 

The defining characteristic of 215/40ZR17 is not simply the low-profile sidewall. It is the combination of a short ≈3.4-inch sidewall with a wider 215 mm tread footprint. Compared with 205-width alternatives, the additional width changes how the tire loads during braking and cornering, especially on compact performance chassis where front-end grip and steering precision are critical.

215/40ZR17 Size Quick Specs

• Approved rim width range: 7.0-8.5 inches
• Measuring rim width: 7.5 inches
• Overall diameter: ≈23.8 inches
• Section width: 215 mm (≈8.5 inches)
• Sidewall height: ≈86 mm (≈3.39 inches)
• Fits 17-inch wheels
• Circumference: ≈74.7 inches

The wider 215 mm section width changes how the tread contacts the pavement compared with 205-width fitments. On performance-oriented hatchbacks and compact sedans, the added width increases the contact patch area and alters how cornering load spreads across the tread surface.

Why 215/40ZR17 Behaves Differently Than 205/40ZR17

215/40ZR17 is often compared directly with 205/40ZR17 because both sizes maintain nearly identical overall diameter. However, the extra 10 mm width in the 215/40ZR17 size changes more than appearance.

The wider casing affects:

• cornering load distribution
• steering effort
• tramlining tendency
• front-end grip behavior
• tread stability during braking

Compared with 205/40ZR17, the wider tread footprint in 215/40ZR17 generally provides more mechanical grip potential, particularly during lateral load transfer. The trade-off is that the tire may follow pavement grooves more aggressively and generate a slightly heavier steering feel on some chassis.

Because overall diameter changes by only about ≈1.3% compared with 205/40(Z)R17, many drivers evaluate 215/40ZR17 as a wider replacement option while remaining inside the commonly referenced ±3% compatibility guideline.

215/40ZR17 Summer Tires vs Performance All-Season Tires

215/40ZR17 commonly appears in ultra-high-performance summer and performance all-season categories.

Summer tires in 215/40ZR17 size are generally selected for:

• maximum warm-weather grip
• stronger dry braking performance
• higher-speed cornering stability
• reduced tread movement during aggressive driving

Performance all-season tires are more commonly chosen when drivers want:

• better wet-weather flexibility
• cooler-temperature usability
• longer tread life
• year-round daily-driving practicality

Because the sidewall remains short, even performance all-season tires in 215/40ZR17 still maintain a firmer and more direct driving character than taller touring-oriented passenger sizes.

Wheel Width and Sidewall Shape in 215/40ZR17

215/40ZR17 is commonly specified for wheel widths between approximately 7.0 and 8.5 inches, with many specifications using a 7.5-inch measuring rim. Near the narrower end of the approved range, the sidewall curves outward more, which slightly softens steering response and increases ride compliance.

Moving toward wider wheel widths pulls the 215/40ZR17 sidewall straighter and increases tread support during cornering loads. That setup usually sharpens steering immediacy, but it also reduces impact isolation and exposes the wheel lip more directly to pothole damage.

Because 215/40ZR17 already operates with limited sidewall height, wheel width changes become more noticeable than they would in taller 50-series or 60-series passenger fitments. For more on approved wheel widths and tire posture, read Rim Width Range and Limits.

215/40ZR17 Common Vehicle Fitment

215/40ZR17 is commonly associated with sport-compact hatchbacks, tuner-oriented applications, and aftermarket 17-inch wheel packages where maintaining a short overall diameter is important.

Vehicles and applications commonly associated with the 215/40ZR17 size family include:

• Mini Cooper S select 17-inch fitments
• Volkswagen GTI aftermarket wheel setups
• Honda Fit sport-oriented wheel packages
• sport-compact autocross and tuner applications

Because many 215/40ZR17 applications involve aftermarket wheels, clearance, offset, load index, and wheel-width compatibility should always be verified individually before installation.

Choosing Wheels for 215/40ZR17 Tires

Drivers replacing wheels alongside 215/40ZR17 tires should confirm:

• wheel diameter
• wheel width
• offset
• bolt pattern
• center bore
• brake clearance
• suspension clearance
• wheel load rating

Before purchasing aftermarket wheels, read: Aftermarket Wheel Fitment: 7 Specs You Can't Get Wrong. Once the fitment is confirmed, browse compatible wheel and rim options for your vehicle: NeoTires Wheels & Rims.