Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/65-16 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.56 (750.9) | 31.56 (801.7) | 2 (50.8) 6.8% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 92.87 (2359.02) | 99.16 (2518.61) | 6.28 (159.59) 6.8% |
| Sidewall Height inches (mm) | 6.78 (172.25) | 6.78 (172.25) | 0 (0) 0% |
| Revolutions per mile (km) | 682.21 (423.9) | 638.98 (397.04) | -43.23 (-26.86) -6.3% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.35 mph (34.36 km/h) |
| 25 mph (40.23 km/h) | 26.69 mph (42.96 km/h) |
| 30 mph (48.28 km/h) | 32.03 mph (51.55 km/h) |
| 35 mph (56.33 km/h) | 37.37 mph (60.14 km/h) |
| 40 mph (64.37 km/h) | 42.71 mph (68.73 km/h) |
| 45 mph (72.42 km/h) | 48.04 mph (77.32 km/h) |
| 50 mph (80.47 km/h) | 53.38 mph (85.91 km/h) |
| 55 mph (88.51 km/h) | 58.72 mph (94.5 km/h) |
| 60 mph (96.56 km/h) | 64.06 mph (103.09 km/h) |
| 65 mph (104.61 km/h) | 69.4 mph (111.68 km/h) |
| 70 mph (112.65 km/h) | 74.74 mph (120.28 km/h) |
| 75 mph (120.7 km/h) | 80.07 mph (128.87 km/h) |
| 80 mph (128.75 km/h) | 85.41 mph (137.46 km/h) |
| 85 mph (136.79 km/h) | 90.75 mph (146.05 km/h) |
| 90 mph (144.84 km/h) | 96.09 mph (154.64 km/h) |
| 95 mph (152.89 km/h) | 101.43 mph (163.23 km/h) |
| 100 mph (160.93 km/h) | 106.77 mph (171.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1626 | 1889 | 2034 | 2124 | 2221 | 2290 | 2366 | 2456 | 2581 | 2706 | 2844 | 2955 | 3155 | 3377 | 3550 | 3660 | 3723 | 3951 | 4269 | 4961 |
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