Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/90-16 | 33/7.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.94 (811.4) | 32.99 (838.06) | 1.05 (26.66) 3.3% |
| Width inches (mm) | 8.86 (225) | 7.52 (191) | -1.34 (-34) -15.1% |
| Circum. inches (mm) | 100.36 (2549.09) | 103.66 (2632.84) | 3.3 (83.75) 3.3% |
| Sidewall Height inches (mm) | 7.97 (202.5) | 8.5 (215.83) | 0.52 (13.33) 6.6% |
| Revolutions per mile (km) | 631.34 (392.3) | 611.26 (379.82) | -20.08 (-12.48) -3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.66 mph (33.24 km/h) |
| 25 mph (40.23 km/h) | 25.82 mph (41.56 km/h) |
| 30 mph (48.28 km/h) | 30.99 mph (49.87 km/h) |
| 35 mph (56.33 km/h) | 36.15 mph (58.18 km/h) |
| 40 mph (64.37 km/h) | 41.31 mph (66.49 km/h) |
| 45 mph (72.42 km/h) | 46.48 mph (74.8 km/h) |
| 50 mph (80.47 km/h) | 51.64 mph (83.11 km/h) |
| 55 mph (88.51 km/h) | 56.81 mph (91.42 km/h) |
| 60 mph (96.56 km/h) | 61.97 mph (99.73 km/h) |
| 65 mph (104.61 km/h) | 67.14 mph (108.04 km/h) |
| 70 mph (112.65 km/h) | 72.3 mph (116.36 km/h) |
| 75 mph (120.7 km/h) | 77.46 mph (124.67 km/h) |
| 80 mph (128.75 km/h) | 82.63 mph (132.98 km/h) |
| 85 mph (136.79 km/h) | 87.79 mph (141.29 km/h) |
| 90 mph (144.84 km/h) | 92.96 mph (149.6 km/h) |
| 95 mph (152.89 km/h) | 98.12 mph (157.91 km/h) |
| 100 mph (160.93 km/h) | 103.29 mph (166.22 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1556 | 1807 | 1946 | 2032 | 2125 | 2191 | 2264 | 2350 | 2469 | 2588 | 2721 | 2826 | 3018 | 3230 | 3396 | 3502 | 3561 | 3780 | 4084 | 4746 |
Better Fuel Economy Factory Ratios Increased Power
