Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-18 | 265/65-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.16 (842.2) | 31.56 (801.7) | -1.59 (-40.5) -4.8% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 104.17 (2645.85) | 99.16 (2518.61) | -5.01 (-127.23) -4.8% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 6.78 (172.25) | -0.8 (-20.25) -10.5% |
| Revolutions per mile (km) | 608.25 (377.95) | 638.98 (397.04) | 30.73 (19.09) 5.1% |
265/65-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.64 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.3 km/h) |
| 30 mph (48.28 km/h) | 28.56 mph (45.96 km/h) |
| 35 mph (56.33 km/h) | 33.32 mph (53.62 km/h) |
| 40 mph (64.37 km/h) | 38.08 mph (61.28 km/h) |
| 45 mph (72.42 km/h) | 42.84 mph (68.94 km/h) |
| 50 mph (80.47 km/h) | 47.6 mph (76.6 km/h) |
| 55 mph (88.51 km/h) | 52.36 mph (84.26 km/h) |
| 60 mph (96.56 km/h) | 57.11 mph (91.92 km/h) |
| 65 mph (104.61 km/h) | 61.87 mph (99.58 km/h) |
| 70 mph (112.65 km/h) | 66.63 mph (107.24 km/h) |
| 75 mph (120.7 km/h) | 71.39 mph (114.9 km/h) |
| 80 mph (128.75 km/h) | 76.15 mph (122.56 km/h) |
| 85 mph (136.79 km/h) | 80.91 mph (130.22 km/h) |
| 90 mph (144.84 km/h) | 85.67 mph (137.88 km/h) |
| 95 mph (152.89 km/h) | 90.43 mph (145.54 km/h) |
| 100 mph (160.93 km/h) | 95.19 mph (153.2 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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