Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16 | 265/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.47 (773.9) | 33.74 (856.9) | 3.27 (83) 10.7% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 95.72 (2431.28) | 105.99 (2692.03) | 10.27 (260.75) 10.7% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 8.87 (225.25) | 1.63 (41.5) 22.6% |
| Revolutions per mile (km) | 661.93 (411.31) | 597.82 (371.47) | -64.12 (-39.84) -9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.14 mph (35.64 km/h) |
| 25 mph (40.23 km/h) | 27.68 mph (44.55 km/h) |
| 30 mph (48.28 km/h) | 33.22 mph (53.46 km/h) |
| 35 mph (56.33 km/h) | 38.75 mph (62.37 km/h) |
| 40 mph (64.37 km/h) | 44.29 mph (71.28 km/h) |
| 45 mph (72.42 km/h) | 49.83 mph (80.19 km/h) |
| 50 mph (80.47 km/h) | 55.36 mph (89.1 km/h) |
| 55 mph (88.51 km/h) | 60.9 mph (98.01 km/h) |
| 60 mph (96.56 km/h) | 66.43 mph (106.92 km/h) |
| 65 mph (104.61 km/h) | 71.97 mph (115.83 km/h) |
| 70 mph (112.65 km/h) | 77.51 mph (124.74 km/h) |
| 75 mph (120.7 km/h) | 83.04 mph (133.65 km/h) |
| 80 mph (128.75 km/h) | 88.58 mph (142.56 km/h) |
| 85 mph (136.79 km/h) | 94.12 mph (151.47 km/h) |
| 90 mph (144.84 km/h) | 99.65 mph (160.38 km/h) |
| 95 mph (152.89 km/h) | 105.19 mph (169.29 km/h) |
| 100 mph (160.93 km/h) | 110.72 mph (178.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1521 | 1767 | 1903 | 1987 | 2078 | 2143 | 2214 | 2298 | 2415 | 2531 | 2661 | 2764 | 2952 | 3159 | 3321 | 3425 | 3483 | 3697 | 3994 | 4642 |
Better Fuel Economy Factory Ratios Increased Power
