Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-17 | 155/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.8) | 26.76 (679.8) | 2.32 (59) 9.5% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 76.78 (1950.3) | 84.08 (2135.65) | 7.3 (185.35) 9.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.88 (124) | 1.16 (29.5) 31.2% |
| Revolutions per mile (km) | 825.18 (512.74) | 753.56 (468.24) | -71.62 (-44.5) -8.7% |
155/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.9 mph (35.25 km/h) |
| 25 mph (40.23 km/h) | 27.38 mph (44.06 km/h) |
| 30 mph (48.28 km/h) | 32.85 mph (52.87 km/h) |
| 35 mph (56.33 km/h) | 38.33 mph (61.68 km/h) |
| 40 mph (64.37 km/h) | 43.8 mph (70.49 km/h) |
| 45 mph (72.42 km/h) | 49.28 mph (79.3 km/h) |
| 50 mph (80.47 km/h) | 54.75 mph (88.11 km/h) |
| 55 mph (88.51 km/h) | 60.23 mph (96.93 km/h) |
| 60 mph (96.56 km/h) | 65.7 mph (105.74 km/h) |
| 65 mph (104.61 km/h) | 71.18 mph (114.55 km/h) |
| 70 mph (112.65 km/h) | 76.65 mph (123.36 km/h) |
| 75 mph (120.7 km/h) | 82.13 mph (132.17 km/h) |
| 80 mph (128.75 km/h) | 87.6 mph (140.98 km/h) |
| 85 mph (136.79 km/h) | 93.08 mph (149.8 km/h) |
| 90 mph (144.84 km/h) | 98.55 mph (158.61 km/h) |
| 95 mph (152.89 km/h) | 104.03 mph (167.42 km/h) |
| 100 mph (160.93 km/h) | 109.5 mph (176.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1918 | 2228 | 2399 | 2505 | 2619 | 2701 | 2791 | 2897 | 3044 | 3191 | 3354 | 3484 | 3721 | 3982 | 4186 | 4317 | 4390 | 4660 | 5035 | 5851 |
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