Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-20 | 265/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.61 (752) | 31.65 (803.9) | 2.04 (51.9) 6.9% |
| Width inches (mm) | 12.01 (305) | 10.43 (265) | -1.57 (-40) -13.1% |
| Circum. inches (mm) | 93.01 (2362.48) | 99.43 (2525.53) | 6.42 (163.05) 6.9% |
| Sidewall Height inches (mm) | 4.8 (122) | 7.82 (198.75) | 3.02 (76.75) 62.9% |
| Revolutions per mile (km) | 681.21 (423.28) | 637.23 (395.96) | -43.98 (-27.33) -6.5% |
265/75-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.38 mph (34.41 km/h) |
| 25 mph (40.23 km/h) | 26.73 mph (43.01 km/h) |
| 30 mph (48.28 km/h) | 32.07 mph (51.61 km/h) |
| 35 mph (56.33 km/h) | 37.42 mph (60.21 km/h) |
| 40 mph (64.37 km/h) | 42.76 mph (68.82 km/h) |
| 45 mph (72.42 km/h) | 48.11 mph (77.42 km/h) |
| 50 mph (80.47 km/h) | 53.45 mph (86.02 km/h) |
| 55 mph (88.51 km/h) | 58.8 mph (94.62 km/h) |
| 60 mph (96.56 km/h) | 64.14 mph (103.23 km/h) |
| 65 mph (104.61 km/h) | 69.49 mph (111.83 km/h) |
| 70 mph (112.65 km/h) | 74.83 mph (120.43 km/h) |
| 75 mph (120.7 km/h) | 80.18 mph (129.03 km/h) |
| 80 mph (128.75 km/h) | 85.52 mph (137.63 km/h) |
| 85 mph (136.79 km/h) | 90.87 mph (146.24 km/h) |
| 90 mph (144.84 km/h) | 96.21 mph (154.84 km/h) |
| 95 mph (152.89 km/h) | 101.56 mph (163.44 km/h) |
| 100 mph (160.93 km/h) | 106.9 mph (172.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1622 | 1884 | 2029 | 2118 | 2215 | 2284 | 2360 | 2450 | 2574 | 2698 | 2836 | 2947 | 3147 | 3367 | 3540 | 3650 | 3713 | 3940 | 4258 | 4948 |
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