Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-19 | 275/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.92 (734.6) | 25.58 (649.7) | -3.34 (-84.9) -11.6% |
| Width inches (mm) | 12.4 (315) | 10.83 (275) | -1.57 (-40) -12.7% |
| Circum. inches (mm) | 90.86 (2307.81) | 80.36 (2041.09) | -10.5 (-266.72) -11.6% |
| Sidewall Height inches (mm) | 4.96 (126) | 3.79 (96.25) | -1.17 (-29.75) -23.6% |
| Revolutions per mile (km) | 697.35 (433.31) | 788.47 (489.93) | 91.13 (56.62) 13.1% |
275/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.69 mph (28.47 km/h) |
| 25 mph (40.23 km/h) | 22.11 mph (35.58 km/h) |
| 30 mph (48.28 km/h) | 26.53 mph (42.7 km/h) |
| 35 mph (56.33 km/h) | 30.95 mph (49.82 km/h) |
| 40 mph (64.37 km/h) | 35.38 mph (56.93 km/h) |
| 45 mph (72.42 km/h) | 39.8 mph (64.05 km/h) |
| 50 mph (80.47 km/h) | 44.22 mph (71.17 km/h) |
| 55 mph (88.51 km/h) | 48.64 mph (78.28 km/h) |
| 60 mph (96.56 km/h) | 53.07 mph (85.4 km/h) |
| 65 mph (104.61 km/h) | 57.49 mph (92.52 km/h) |
| 70 mph (112.65 km/h) | 61.91 mph (99.63 km/h) |
| 75 mph (120.7 km/h) | 66.33 mph (106.75 km/h) |
| 80 mph (128.75 km/h) | 70.75 mph (113.87 km/h) |
| 85 mph (136.79 km/h) | 75.18 mph (120.98 km/h) |
| 90 mph (144.84 km/h) | 79.6 mph (128.1 km/h) |
| 95 mph (152.89 km/h) | 84.02 mph (135.22 km/h) |
| 100 mph (160.93 km/h) | 88.44 mph (142.33 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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