Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 28/10-15 | 32/10-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28 (711.2) | 32 (812.8) | 4 (101.6) 14.3% |
| Width inches (mm) | 10 (254) | 10 (254) | 0 (0) 0% |
| Circum. inches (mm) | 87.96 (2234.3) | 100.53 (2553.49) | 12.57 (319.19) 14.3% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 8.5 (215.9) | 2 (50.8) 30.8% |
| Revolutions per mile (km) | 720.29 (447.57) | 630.25 (391.62) | -90.04 (-55.95) -12.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.86 mph (36.79 km/h) |
| 25 mph (40.23 km/h) | 28.57 mph (45.98 km/h) |
| 30 mph (48.28 km/h) | 34.29 mph (55.18 km/h) |
| 35 mph (56.33 km/h) | 40 mph (64.37 km/h) |
| 40 mph (64.37 km/h) | 45.71 mph (73.57 km/h) |
| 45 mph (72.42 km/h) | 51.43 mph (82.77 km/h) |
| 50 mph (80.47 km/h) | 57.14 mph (91.96 km/h) |
| 55 mph (88.51 km/h) | 62.86 mph (101.16 km/h) |
| 60 mph (96.56 km/h) | 68.57 mph (110.36 km/h) |
| 65 mph (104.61 km/h) | 74.29 mph (119.55 km/h) |
| 70 mph (112.65 km/h) | 80 mph (128.75 km/h) |
| 75 mph (120.7 km/h) | 85.71 mph (137.94 km/h) |
| 80 mph (128.75 km/h) | 91.43 mph (147.14 km/h) |
| 85 mph (136.79 km/h) | 97.14 mph (156.34 km/h) |
| 90 mph (144.84 km/h) | 102.86 mph (165.53 km/h) |
| 95 mph (152.89 km/h) | 108.57 mph (174.73 km/h) |
| 100 mph (160.93 km/h) | 114.29 mph (183.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1604 | 1863 | 2007 | 2095 | 2191 | 2259 | 2334 | 2423 | 2546 | 2669 | 2805 | 2914 | 3112 | 3331 | 3501 | 3610 | 3672 | 3897 | 4211 | 4894 |
Better Fuel Economy Factory Ratios Increased Power
