Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/50-14 | 275/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.89 (530.6) | 25.58 (649.7) | 4.69 (119.1) 22.4% |
| Width inches (mm) | 6.89 (175) | 10.83 (275) | 3.94 (100) 57.1% |
| Circum. inches (mm) | 65.63 (1666.93) | 80.36 (2041.09) | 14.73 (374.16) 22.4% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.79 (96.25) | 0.34 (8.75) 10% |
| Revolutions per mile (km) | 965.45 (599.9) | 788.47 (489.93) | -176.98 (-109.97) -18.3% |
275/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.49 mph (39.41 km/h) |
| 25 mph (40.23 km/h) | 30.61 mph (49.26 km/h) |
| 30 mph (48.28 km/h) | 36.73 mph (59.12 km/h) |
| 35 mph (56.33 km/h) | 42.86 mph (68.97 km/h) |
| 40 mph (64.37 km/h) | 48.98 mph (78.82 km/h) |
| 45 mph (72.42 km/h) | 55.1 mph (88.68 km/h) |
| 50 mph (80.47 km/h) | 61.22 mph (98.53 km/h) |
| 55 mph (88.51 km/h) | 67.35 mph (108.38 km/h) |
| 60 mph (96.56 km/h) | 73.47 mph (118.24 km/h) |
| 65 mph (104.61 km/h) | 79.59 mph (128.09 km/h) |
| 70 mph (112.65 km/h) | 85.71 mph (137.94 km/h) |
| 75 mph (120.7 km/h) | 91.83 mph (147.79 km/h) |
| 80 mph (128.75 km/h) | 97.96 mph (157.65 km/h) |
| 85 mph (136.79 km/h) | 104.08 mph (167.5 km/h) |
| 90 mph (144.84 km/h) | 110.2 mph (177.35 km/h) |
| 95 mph (152.89 km/h) | 116.32 mph (187.21 km/h) |
| 100 mph (160.93 km/h) | 122.45 mph (197.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | 2331 | 2510 | 2621 | 2741 | 2826 | 2920 | 3031 | 3185 | 3338 | 3509 | 3646 | 3893 | 4167 | 4380 | 4517 | 4594 | 4875 | 5268 | 6122 |
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