Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/65-18 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.63 (879.7) | 31.56 (801.7) | -3.07 (-78) -8.9% |
| Width inches (mm) | 12.8 (325) | 10.43 (265) | -2.36 (-60) -18.5% |
| Circum. inches (mm) | 108.81 (2763.66) | 99.16 (2518.61) | -9.65 (-245.04) -8.9% |
| Sidewall Height inches (mm) | 8.32 (211.25) | 6.78 (172.25) | -1.54 (-39) -18.5% |
| Revolutions per mile (km) | 582.32 (361.84) | 638.98 (397.04) | 56.66 (35.2) 9.7% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.23 mph (29.33 km/h) |
| 25 mph (40.23 km/h) | 22.78 mph (36.67 km/h) |
| 30 mph (48.28 km/h) | 27.34 mph (44 km/h) |
| 35 mph (56.33 km/h) | 31.9 mph (51.33 km/h) |
| 40 mph (64.37 km/h) | 36.45 mph (58.67 km/h) |
| 45 mph (72.42 km/h) | 41.01 mph (66 km/h) |
| 50 mph (80.47 km/h) | 45.57 mph (73.33 km/h) |
| 55 mph (88.51 km/h) | 50.12 mph (80.67 km/h) |
| 60 mph (96.56 km/h) | 54.68 mph (88 km/h) |
| 65 mph (104.61 km/h) | 59.24 mph (95.33 km/h) |
| 70 mph (112.65 km/h) | 63.79 mph (102.67 km/h) |
| 75 mph (120.7 km/h) | 68.35 mph (110 km/h) |
| 80 mph (128.75 km/h) | 72.91 mph (117.33 km/h) |
| 85 mph (136.79 km/h) | 77.46 mph (124.67 km/h) |
| 90 mph (144.84 km/h) | 82.02 mph (132 km/h) |
| 95 mph (152.89 km/h) | 86.58 mph (139.33 km/h) |
| 100 mph (160.93 km/h) | 91.13 mph (146.67 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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