Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-18 | 265/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.06 (865.2) | 32.61 (828.2) | -1.46 (-37) -4.3% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 107.01 (2718.11) | 102.44 (2601.87) | -4.58 (-116.24) -4.3% |
| Sidewall Height inches (mm) | 8.03 (204) | 7.3 (185.5) | -0.73 (-18.5) -9.1% |
| Revolutions per mile (km) | 592.08 (367.9) | 618.53 (384.34) | 26.45 (16.44) 4.5% |
265/70-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.14 mph (30.81 km/h) |
| 25 mph (40.23 km/h) | 23.93 mph (38.51 km/h) |
| 30 mph (48.28 km/h) | 28.72 mph (46.22 km/h) |
| 35 mph (56.33 km/h) | 33.5 mph (53.92 km/h) |
| 40 mph (64.37 km/h) | 38.29 mph (61.62 km/h) |
| 45 mph (72.42 km/h) | 43.08 mph (69.32 km/h) |
| 50 mph (80.47 km/h) | 47.86 mph (77.03 km/h) |
| 55 mph (88.51 km/h) | 52.65 mph (84.73 km/h) |
| 60 mph (96.56 km/h) | 57.43 mph (92.43 km/h) |
| 65 mph (104.61 km/h) | 62.22 mph (100.13 km/h) |
| 70 mph (112.65 km/h) | 67.01 mph (107.84 km/h) |
| 75 mph (120.7 km/h) | 71.79 mph (115.54 km/h) |
| 80 mph (128.75 km/h) | 76.58 mph (123.24 km/h) |
| 85 mph (136.79 km/h) | 81.37 mph (130.94 km/h) |
| 90 mph (144.84 km/h) | 86.15 mph (138.65 km/h) |
| 95 mph (152.89 km/h) | 90.94 mph (146.35 km/h) |
| 100 mph (160.93 km/h) | 95.72 mph (154.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1574 | 1829 | 1969 | 2056 | 2150 | 2217 | 2291 | 2378 | 2498 | 2619 | 2753 | 2860 | 3054 | 3269 | 3436 | 3543 | 3604 | 3825 | 4133 | 4803 |
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