Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-17 | 215/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.5 (647.8) | 28.85 (732.8) | 3.35 (85) 13.1% |
| Width inches (mm) | 5.31 (135) | 8.46 (215) | 3.15 (80) 59.3% |
| Circum. inches (mm) | 80.12 (2035.12) | 90.64 (2302.16) | 10.51 (267.04) 13.1% |
| Sidewall Height inches (mm) | 4.25 (108) | 5.93 (150.5) | 1.67 (42.5) 39.4% |
| Revolutions per mile (km) | 790.78 (491.37) | 699.06 (434.37) | -91.73 (-57) -11.6% |
215/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.62 mph (36.41 km/h) |
| 25 mph (40.23 km/h) | 28.28 mph (45.51 km/h) |
| 30 mph (48.28 km/h) | 33.94 mph (54.62 km/h) |
| 35 mph (56.33 km/h) | 39.59 mph (63.72 km/h) |
| 40 mph (64.37 km/h) | 45.25 mph (72.82 km/h) |
| 45 mph (72.42 km/h) | 50.9 mph (81.92 km/h) |
| 50 mph (80.47 km/h) | 56.56 mph (91.03 km/h) |
| 55 mph (88.51 km/h) | 62.22 mph (100.13 km/h) |
| 60 mph (96.56 km/h) | 67.87 mph (109.23 km/h) |
| 65 mph (104.61 km/h) | 73.53 mph (118.33 km/h) |
| 70 mph (112.65 km/h) | 79.18 mph (127.44 km/h) |
| 75 mph (120.7 km/h) | 84.84 mph (136.54 km/h) |
| 80 mph (128.75 km/h) | 90.5 mph (145.64 km/h) |
| 85 mph (136.79 km/h) | 96.15 mph (154.74 km/h) |
| 90 mph (144.84 km/h) | 101.81 mph (163.85 km/h) |
| 95 mph (152.89 km/h) | 107.47 mph (172.95 km/h) |
| 100 mph (160.93 km/h) | 113.12 mph (182.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1779 | 2067 | 2226 | 2324 | 2430 | 2506 | 2589 | 2687 | 2824 | 2960 | 3111 | 3232 | 3452 | 3694 | 3883 | 4005 | 4073 | 4323 | 4671 | 5428 |
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