Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/65-15 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.56 (725.5) | 31.56 (801.7) | 3 (76.2) 10.5% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 89.73 (2279.23) | 99.16 (2518.61) | 9.42 (239.39) 10.5% |
| Sidewall Height inches (mm) | 6.78 (172.25) | 6.78 (172.25) | 0 (0) 0% |
| Revolutions per mile (km) | 706.09 (438.74) | 638.98 (397.04) | -67.11 (-41.7) -9.5% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.1 mph (35.57 km/h) |
| 25 mph (40.23 km/h) | 27.63 mph (44.46 km/h) |
| 30 mph (48.28 km/h) | 33.15 mph (53.35 km/h) |
| 35 mph (56.33 km/h) | 38.68 mph (62.24 km/h) |
| 40 mph (64.37 km/h) | 44.2 mph (71.14 km/h) |
| 45 mph (72.42 km/h) | 49.73 mph (80.03 km/h) |
| 50 mph (80.47 km/h) | 55.25 mph (88.92 km/h) |
| 55 mph (88.51 km/h) | 60.78 mph (97.81 km/h) |
| 60 mph (96.56 km/h) | 66.3 mph (106.7 km/h) |
| 65 mph (104.61 km/h) | 71.83 mph (115.59 km/h) |
| 70 mph (112.65 km/h) | 77.35 mph (124.49 km/h) |
| 75 mph (120.7 km/h) | 82.88 mph (133.38 km/h) |
| 80 mph (128.75 km/h) | 88.4 mph (142.27 km/h) |
| 85 mph (136.79 km/h) | 93.93 mph (151.16 km/h) |
| 90 mph (144.84 km/h) | 99.45 mph (160.05 km/h) |
| 95 mph (152.89 km/h) | 104.98 mph (168.95 km/h) |
| 100 mph (160.93 km/h) | 110.5 mph (177.84 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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