Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-16 | 225/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.8 (782.4) | 31.94 (811.4) | 1.14 (29) 3.7% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 96.77 (2457.98) | 100.36 (2549.09) | 3.59 (91.11) 3.7% |
| Sidewall Height inches (mm) | 7.4 (188) | 7.97 (202.5) | 0.57 (14.5) 7.7% |
| Revolutions per mile (km) | 654.74 (406.84) | 631.34 (392.3) | -23.4 (-14.54) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.74 mph (33.38 km/h) |
| 25 mph (40.23 km/h) | 25.93 mph (41.72 km/h) |
| 30 mph (48.28 km/h) | 31.11 mph (50.07 km/h) |
| 35 mph (56.33 km/h) | 36.3 mph (58.41 km/h) |
| 40 mph (64.37 km/h) | 41.48 mph (66.76 km/h) |
| 45 mph (72.42 km/h) | 46.67 mph (75.1 km/h) |
| 50 mph (80.47 km/h) | 51.85 mph (83.45 km/h) |
| 55 mph (88.51 km/h) | 57.04 mph (91.79 km/h) |
| 60 mph (96.56 km/h) | 62.22 mph (100.14 km/h) |
| 65 mph (104.61 km/h) | 67.41 mph (108.48 km/h) |
| 70 mph (112.65 km/h) | 72.59 mph (116.83 km/h) |
| 75 mph (120.7 km/h) | 77.78 mph (125.17 km/h) |
| 80 mph (128.75 km/h) | 82.97 mph (133.52 km/h) |
| 85 mph (136.79 km/h) | 88.15 mph (141.86 km/h) |
| 90 mph (144.84 km/h) | 93.34 mph (150.21 km/h) |
| 95 mph (152.89 km/h) | 98.52 mph (158.55 km/h) |
| 100 mph (160.93 km/h) | 103.71 mph (166.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1607 | 1866 | 2010 | 2099 | 2195 | 2263 | 2338 | 2427 | 2550 | 2673 | 2810 | 2919 | 3118 | 3336 | 3507 | 3617 | 3678 | 3904 | 4218 | 4902 |
Better Fuel Economy Factory Ratios Increased Power
