Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 32/10-17 | 270/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32 (812.8) | 34.01 (863.8) | 2.01 (51) 6.3% |
| Width inches (mm) | 10 (254) | 10.63 (270) | 0.63 (16) 6.3% |
| Circum. inches (mm) | 100.53 (2553.49) | 106.84 (2713.71) | 6.31 (160.22) 6.3% |
| Sidewall Height inches (mm) | 7.5 (190.5) | 8.5 (216) | 1 (25.5) 13.4% |
| Revolutions per mile (km) | 630.25 (391.62) | 593.04 (368.5) | -37.21 (-23.12) -5.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.25 mph (34.21 km/h) |
| 25 mph (40.23 km/h) | 26.57 mph (42.76 km/h) |
| 30 mph (48.28 km/h) | 31.88 mph (51.31 km/h) |
| 35 mph (56.33 km/h) | 37.2 mph (59.86 km/h) |
| 40 mph (64.37 km/h) | 42.51 mph (68.41 km/h) |
| 45 mph (72.42 km/h) | 47.82 mph (76.96 km/h) |
| 50 mph (80.47 km/h) | 53.14 mph (85.52 km/h) |
| 55 mph (88.51 km/h) | 58.45 mph (94.07 km/h) |
| 60 mph (96.56 km/h) | 63.76 mph (102.62 km/h) |
| 65 mph (104.61 km/h) | 69.08 mph (111.17 km/h) |
| 70 mph (112.65 km/h) | 74.39 mph (119.72 km/h) |
| 75 mph (120.7 km/h) | 79.71 mph (128.27 km/h) |
| 80 mph (128.75 km/h) | 85.02 mph (136.83 km/h) |
| 85 mph (136.79 km/h) | 90.33 mph (145.38 km/h) |
| 90 mph (144.84 km/h) | 95.65 mph (153.93 km/h) |
| 95 mph (152.89 km/h) | 100.96 mph (162.48 km/h) |
| 100 mph (160.93 km/h) | 106.27 mph (171.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1509 | 1753 | 1888 | 1972 | 2061 | 2126 | 2196 | 2280 | 2395 | 2511 | 2639 | 2742 | 2928 | 3134 | 3295 | 3397 | 3455 | 3667 | 3962 | 4605 |
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