Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-17 | 365/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.8) | 41.43 (1052.3) | 16.99 (431.5) 69.5% |
| Width inches (mm) | 5.31 (135) | 14.37 (365) | 9.06 (230) 170.4% |
| Circum. inches (mm) | 76.78 (1950.3) | 130.15 (3305.9) | 53.37 (1355.6) 69.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 12.21 (310.25) | 8.49 (215.75) 228.3% |
| Revolutions per mile (km) | 825.18 (512.74) | 486.81 (302.49) | -338.37 (-210.25) -41% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 33.9 mph (54.56 km/h) |
| 25 mph (40.23 km/h) | 42.38 mph (68.2 km/h) |
| 30 mph (48.28 km/h) | 50.85 mph (81.84 km/h) |
| 35 mph (56.33 km/h) | 59.33 mph (95.48 km/h) |
| 40 mph (64.37 km/h) | 67.8 mph (109.12 km/h) |
| 45 mph (72.42 km/h) | 76.28 mph (122.76 km/h) |
| 50 mph (80.47 km/h) | 84.75 mph (136.4 km/h) |
| 55 mph (88.51 km/h) | 93.23 mph (150.04 km/h) |
| 60 mph (96.56 km/h) | 101.7 mph (163.68 km/h) |
| 65 mph (104.61 km/h) | 110.18 mph (177.32 km/h) |
| 70 mph (112.65 km/h) | 118.65 mph (190.96 km/h) |
| 75 mph (120.7 km/h) | 127.13 mph (204.6 km/h) |
| 80 mph (128.75 km/h) | 135.61 mph (218.24 km/h) |
| 85 mph (136.79 km/h) | 144.08 mph (231.88 km/h) |
| 90 mph (144.84 km/h) | 152.56 mph (245.52 km/h) |
| 95 mph (152.89 km/h) | 161.03 mph (259.16 km/h) |
| 100 mph (160.93 km/h) | 169.51 mph (272.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1239 | 1439 | 1550 | 1618 | 1692 | 1745 | 1803 | 1871 | 1966 | 2061 | 2167 | 2251 | 2404 | 2573 | 2704 | 2789 | 2836 | 3010 | 3253 | 3780 |
Better Fuel Economy Factory Ratios Increased Power
