🛞

TIRE SIZE
COMPARISON SYSTEM

PRECISION FITMENT ANALYSIS

🚙 VEHICLE GARAGE

Select Vehicle

CURRENT SETUP

Factory Tire

265/70R17

NEW SETUP

Upgrade Tire

285/70R17

📊 Engineering Analysis

DIAMETER CHANGE

1.10"

31.61" →32.71"

GROUND CLEARANCE

+0.55"

Approximate height increase

WIDTH CHANGE

+20mm

Additional tire width

SPEEDOMETER

+2.1 mph

Actual speed at 60 mph indicated

⚠ FITMENT IMPACT

🟡 Check Clearance

Tire changes can affect clearance, gearing, acceleration, and handling.

🛞 Visual Tire Comparison

CURRENT

31.6"

265/70R17

+1.10"

Diameter Increase

NEW

32.7"

285/70R17

📘 TIRE SIZE GUIDE

How Tire Sizes Work

Tire sizes follow a simple format:

265/70R17

265

Tire width in millimeters.

70

Sidewall height percentage.

R17

Wheel diameter in inches.