Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/70-17 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.85 (732.8) | 26.85 (682) | -2 (-50.8) -6.9% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 90.64 (2302.16) | 84.35 (2142.57) | -6.28 (-159.59) -6.9% |
| Sidewall Height inches (mm) | 5.93 (150.5) | 5.93 (150.5) | 0 (0) 0% |
| Revolutions per mile (km) | 699.06 (434.37) | 751.13 (466.73) | 52.07 (32.36) 7.4% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.61 mph (29.96 km/h) |
| 25 mph (40.23 km/h) | 23.27 mph (37.44 km/h) |
| 30 mph (48.28 km/h) | 27.92 mph (44.93 km/h) |
| 35 mph (56.33 km/h) | 32.57 mph (52.42 km/h) |
| 40 mph (64.37 km/h) | 37.23 mph (59.91 km/h) |
| 45 mph (72.42 km/h) | 41.88 mph (67.4 km/h) |
| 50 mph (80.47 km/h) | 46.53 mph (74.89 km/h) |
| 55 mph (88.51 km/h) | 51.19 mph (82.38 km/h) |
| 60 mph (96.56 km/h) | 55.84 mph (89.87 km/h) |
| 65 mph (104.61 km/h) | 60.49 mph (97.36 km/h) |
| 70 mph (112.65 km/h) | 65.15 mph (104.84 km/h) |
| 75 mph (120.7 km/h) | 69.8 mph (112.33 km/h) |
| 80 mph (128.75 km/h) | 74.45 mph (119.82 km/h) |
| 85 mph (136.79 km/h) | 79.11 mph (127.31 km/h) |
| 90 mph (144.84 km/h) | 83.76 mph (134.8 km/h) |
| 95 mph (152.89 km/h) | 88.41 mph (142.29 km/h) |
| 100 mph (160.93 km/h) | 93.07 mph (149.78 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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