Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-14 | 155/35-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.5 (571.6) | 19.27 (489.5) | -3.23 (-82.1) -14.4% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 70.7 (1795.73) | 60.54 (1537.81) | -10.15 (-257.92) -14.4% |
| Sidewall Height inches (mm) | 4.25 (108) | 2.14 (54.25) | -2.12 (-53.75) -49.8% |
| Revolutions per mile (km) | 896.2 (556.87) | 1046.52 (650.27) | 150.31 (93.4) 16.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.13 mph (27.56 km/h) |
| 25 mph (40.23 km/h) | 21.41 mph (34.45 km/h) |
| 30 mph (48.28 km/h) | 25.69 mph (41.35 km/h) |
| 35 mph (56.33 km/h) | 29.97 mph (48.24 km/h) |
| 40 mph (64.37 km/h) | 34.25 mph (55.13 km/h) |
| 45 mph (72.42 km/h) | 38.54 mph (62.02 km/h) |
| 50 mph (80.47 km/h) | 42.82 mph (68.91 km/h) |
| 55 mph (88.51 km/h) | 47.1 mph (75.8 km/h) |
| 60 mph (96.56 km/h) | 51.38 mph (82.69 km/h) |
| 65 mph (104.61 km/h) | 55.66 mph (89.58 km/h) |
| 70 mph (112.65 km/h) | 59.95 mph (96.47 km/h) |
| 75 mph (120.7 km/h) | 64.23 mph (103.36 km/h) |
| 80 mph (128.75 km/h) | 68.51 mph (110.26 km/h) |
| 85 mph (136.79 km/h) | 72.79 mph (117.15 km/h) |
| 90 mph (144.84 km/h) | 77.07 mph (124.04 km/h) |
| 95 mph (152.89 km/h) | 81.35 mph (130.93 km/h) |
| 100 mph (160.93 km/h) | 85.64 mph (137.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
