Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-18 | 365/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.44 (646.2) | 37.56 (953.9) | 12.11 (307.7) 47.6% |
| Width inches (mm) | 5.31 (135) | 14.37 (365) | 9.06 (230) 170.4% |
| Circum. inches (mm) | 79.93 (2030.1) | 117.98 (2996.77) | 38.06 (966.67) 47.6% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 10.78 (273.75) | 7.06 (179.25) 189.7% |
| Revolutions per mile (km) | 792.74 (492.59) | 537.03 (333.69) | -255.72 (-158.89) -32.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.52 mph (47.51 km/h) |
| 25 mph (40.23 km/h) | 36.9 mph (59.39 km/h) |
| 30 mph (48.28 km/h) | 44.29 mph (71.27 km/h) |
| 35 mph (56.33 km/h) | 51.67 mph (83.15 km/h) |
| 40 mph (64.37 km/h) | 59.05 mph (95.03 km/h) |
| 45 mph (72.42 km/h) | 66.43 mph (106.91 km/h) |
| 50 mph (80.47 km/h) | 73.81 mph (118.78 km/h) |
| 55 mph (88.51 km/h) | 81.19 mph (130.66 km/h) |
| 60 mph (96.56 km/h) | 88.57 mph (142.54 km/h) |
| 65 mph (104.61 km/h) | 95.95 mph (154.42 km/h) |
| 70 mph (112.65 km/h) | 103.33 mph (166.3 km/h) |
| 75 mph (120.7 km/h) | 110.71 mph (178.18 km/h) |
| 80 mph (128.75 km/h) | 118.09 mph (190.05 km/h) |
| 85 mph (136.79 km/h) | 125.47 mph (201.93 km/h) |
| 90 mph (144.84 km/h) | 132.86 mph (213.81 km/h) |
| 95 mph (152.89 km/h) | 140.24 mph (225.69 km/h) |
| 100 mph (160.93 km/h) | 147.62 mph (237.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1367 | 1588 | 1710 | 1785 | 1867 | 1925 | 1989 | 2064 | 2169 | 2274 | 2390 | 2483 | 2652 | 2838 | 2983 | 3076 | 3129 | 3321 | 3588 | 4170 |
Better Fuel Economy Factory Ratios Increased Power
