Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/60-17 | 275/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.76 (755.8) | 32.16 (816.8) | 2.4 (61) 8.1% |
| Width inches (mm) | 10.63 (270) | 10.83 (275) | 0.2 (5) 1.9% |
| Circum. inches (mm) | 93.48 (2374.42) | 101.03 (2566.05) | 7.54 (191.64) 8.1% |
| Sidewall Height inches (mm) | 6.38 (162) | 7.58 (192.5) | 1.2 (30.5) 18.8% |
| Revolutions per mile (km) | 677.79 (421.16) | 627.17 (389.7) | -50.62 (-31.45) -7.5% |
275/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.61 mph (34.78 km/h) |
| 25 mph (40.23 km/h) | 27.02 mph (43.48 km/h) |
| 30 mph (48.28 km/h) | 32.42 mph (52.18 km/h) |
| 35 mph (56.33 km/h) | 37.82 mph (60.87 km/h) |
| 40 mph (64.37 km/h) | 43.23 mph (69.57 km/h) |
| 45 mph (72.42 km/h) | 48.63 mph (78.27 km/h) |
| 50 mph (80.47 km/h) | 54.04 mph (86.96 km/h) |
| 55 mph (88.51 km/h) | 59.44 mph (95.66 km/h) |
| 60 mph (96.56 km/h) | 64.84 mph (104.35 km/h) |
| 65 mph (104.61 km/h) | 70.25 mph (113.05 km/h) |
| 70 mph (112.65 km/h) | 75.65 mph (121.75 km/h) |
| 75 mph (120.7 km/h) | 81.05 mph (130.44 km/h) |
| 80 mph (128.75 km/h) | 86.46 mph (139.14 km/h) |
| 85 mph (136.79 km/h) | 91.86 mph (147.84 km/h) |
| 90 mph (144.84 km/h) | 97.26 mph (156.53 km/h) |
| 95 mph (152.89 km/h) | 102.67 mph (165.23 km/h) |
| 100 mph (160.93 km/h) | 108.07 mph (173.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1596 | 1854 | 1997 | 2085 | 2180 | 2248 | 2323 | 2411 | 2533 | 2656 | 2791 | 2900 | 3097 | 3314 | 3484 | 3593 | 3654 | 3878 | 4190 | 4870 |
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