Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/80-15 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.54 (725) | 26.85 (682) | -1.69 (-43) -5.9% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 89.67 (2277.65) | 84.35 (2142.57) | -5.32 (-135.09) -5.9% |
| Sidewall Height inches (mm) | 6.77 (172) | 5.93 (150.5) | -0.85 (-21.5) -12.5% |
| Revolutions per mile (km) | 706.58 (439.05) | 751.13 (466.73) | 44.55 (27.68) 6.3% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.81 mph (30.28 km/h) |
| 25 mph (40.23 km/h) | 23.52 mph (37.85 km/h) |
| 30 mph (48.28 km/h) | 28.22 mph (45.42 km/h) |
| 35 mph (56.33 km/h) | 32.92 mph (52.99 km/h) |
| 40 mph (64.37 km/h) | 37.63 mph (60.56 km/h) |
| 45 mph (72.42 km/h) | 42.33 mph (68.13 km/h) |
| 50 mph (80.47 km/h) | 47.03 mph (75.69 km/h) |
| 55 mph (88.51 km/h) | 51.74 mph (83.26 km/h) |
| 60 mph (96.56 km/h) | 56.44 mph (90.83 km/h) |
| 65 mph (104.61 km/h) | 61.14 mph (98.4 km/h) |
| 70 mph (112.65 km/h) | 65.85 mph (105.97 km/h) |
| 75 mph (120.7 km/h) | 70.55 mph (113.54 km/h) |
| 80 mph (128.75 km/h) | 75.26 mph (121.11 km/h) |
| 85 mph (136.79 km/h) | 79.96 mph (128.68 km/h) |
| 90 mph (144.84 km/h) | 84.66 mph (136.25 km/h) |
| 95 mph (152.89 km/h) | 89.37 mph (143.82 km/h) |
| 100 mph (160.93 km/h) | 94.07 mph (151.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2221 | 2391 | 2497 | 2611 | 2692 | 2782 | 2888 | 3034 | 3180 | 3343 | 3473 | 3709 | 3969 | 4173 | 4303 | 4376 | 4644 | 5019 | 5832 |
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