Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/70-17 | 275/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.26 (844.8) | 33.16 (842.2) | -0.1 (-2.6) -0.3% |
| Width inches (mm) | 11.61 (295) | 10.83 (275) | -0.79 (-20) -6.8% |
| Circum. inches (mm) | 104.49 (2654.02) | 104.17 (2645.85) | -0.32 (-8.17) -0.3% |
| Sidewall Height inches (mm) | 8.13 (206.5) | 7.58 (192.5) | -0.55 (-14) -6.8% |
| Revolutions per mile (km) | 606.38 (376.79) | 608.25 (377.95) | 1.87 (1.16) 0.3% |
275/70-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
| 25 mph (40.23 km/h) | 24.92 mph (40.11 km/h) |
| 30 mph (48.28 km/h) | 29.91 mph (48.13 km/h) |
| 35 mph (56.33 km/h) | 34.89 mph (56.15 km/h) |
| 40 mph (64.37 km/h) | 39.88 mph (64.18 km/h) |
| 45 mph (72.42 km/h) | 44.86 mph (72.2 km/h) |
| 50 mph (80.47 km/h) | 49.85 mph (80.22 km/h) |
| 55 mph (88.51 km/h) | 54.83 mph (88.24 km/h) |
| 60 mph (96.56 km/h) | 59.82 mph (96.26 km/h) |
| 65 mph (104.61 km/h) | 64.8 mph (104.29 km/h) |
| 70 mph (112.65 km/h) | 69.78 mph (112.31 km/h) |
| 75 mph (120.7 km/h) | 74.77 mph (120.33 km/h) |
| 80 mph (128.75 km/h) | 79.75 mph (128.35 km/h) |
| 85 mph (136.79 km/h) | 84.74 mph (136.37 km/h) |
| 90 mph (144.84 km/h) | 89.72 mph (144.4 km/h) |
| 95 mph (152.89 km/h) | 94.71 mph (152.42 km/h) |
| 100 mph (160.93 km/h) | 99.69 mph (160.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1548 | 1798 | 1937 | 2022 | 2114 | 2180 | 2253 | 2338 | 2457 | 2575 | 2707 | 2813 | 3004 | 3214 | 3379 | 3484 | 3544 | 3761 | 4064 | 4723 |
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