Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-16 | 265/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 33.74 (856.9) | 9.23 (234.5) 37.7% |
| Width inches (mm) | 5.31 (135) | 10.43 (265) | 5.12 (130) 96.3% |
| Circum. inches (mm) | 76.98 (1955.33) | 105.99 (2692.03) | 29 (736.7) 37.7% |
| Sidewall Height inches (mm) | 4.25 (108) | 8.87 (225.25) | 4.62 (117.25) 108.6% |
| Revolutions per mile (km) | 823.06 (511.42) | 597.82 (371.47) | -225.24 (-139.96) -27.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 27.54 mph (44.31 km/h) |
| 25 mph (40.23 km/h) | 34.42 mph (55.39 km/h) |
| 30 mph (48.28 km/h) | 41.3 mph (66.47 km/h) |
| 35 mph (56.33 km/h) | 48.19 mph (77.55 km/h) |
| 40 mph (64.37 km/h) | 55.07 mph (88.63 km/h) |
| 45 mph (72.42 km/h) | 61.95 mph (99.71 km/h) |
| 50 mph (80.47 km/h) | 68.84 mph (110.78 km/h) |
| 55 mph (88.51 km/h) | 75.72 mph (121.86 km/h) |
| 60 mph (96.56 km/h) | 82.61 mph (132.94 km/h) |
| 65 mph (104.61 km/h) | 89.49 mph (144.02 km/h) |
| 70 mph (112.65 km/h) | 96.37 mph (155.1 km/h) |
| 75 mph (120.7 km/h) | 103.26 mph (166.18 km/h) |
| 80 mph (128.75 km/h) | 110.14 mph (177.26 km/h) |
| 85 mph (136.79 km/h) | 117.03 mph (188.33 km/h) |
| 90 mph (144.84 km/h) | 123.91 mph (199.41 km/h) |
| 95 mph (152.89 km/h) | 130.79 mph (210.49 km/h) |
| 100 mph (160.93 km/h) | 137.68 mph (221.57 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
