Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-18 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.05 (788.7) | 31.56 (801.7) | 0.51 (13) 1.6% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 97.55 (2477.77) | 99.16 (2518.61) | 1.61 (40.84) 1.6% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 6.78 (172.25) | 0.26 (6.5) 3.9% |
| Revolutions per mile (km) | 649.51 (403.59) | 638.98 (397.04) | -10.53 (-6.54) -1.6% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.72 km/h) |
| 25 mph (40.23 km/h) | 25.41 mph (40.9 km/h) |
| 30 mph (48.28 km/h) | 30.49 mph (49.08 km/h) |
| 35 mph (56.33 km/h) | 35.58 mph (57.26 km/h) |
| 40 mph (64.37 km/h) | 40.66 mph (65.43 km/h) |
| 45 mph (72.42 km/h) | 45.74 mph (73.61 km/h) |
| 50 mph (80.47 km/h) | 50.82 mph (81.79 km/h) |
| 55 mph (88.51 km/h) | 55.91 mph (89.97 km/h) |
| 60 mph (96.56 km/h) | 60.99 mph (98.15 km/h) |
| 65 mph (104.61 km/h) | 66.07 mph (106.33 km/h) |
| 70 mph (112.65 km/h) | 71.15 mph (114.51 km/h) |
| 75 mph (120.7 km/h) | 76.24 mph (122.69 km/h) |
| 80 mph (128.75 km/h) | 81.32 mph (130.87 km/h) |
| 85 mph (136.79 km/h) | 86.4 mph (139.05 km/h) |
| 90 mph (144.84 km/h) | 91.48 mph (147.23 km/h) |
| 95 mph (152.89 km/h) | 96.57 mph (155.41 km/h) |
| 100 mph (160.93 km/h) | 101.65 mph (163.59 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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