Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-12 | 155/35-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.5 (520.8) | 19.27 (489.5) | -1.23 (-31.3) -6% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 64.42 (1636.14) | 60.54 (1537.81) | -3.87 (-98.33) -6% |
| Sidewall Height inches (mm) | 4.25 (108) | 2.14 (54.25) | -2.12 (-53.75) -49.8% |
| Revolutions per mile (km) | 983.62 (611.19) | 1046.52 (650.27) | 62.9 (39.08) 6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.8 mph (30.25 km/h) |
| 25 mph (40.23 km/h) | 23.5 mph (37.82 km/h) |
| 30 mph (48.28 km/h) | 28.2 mph (45.38 km/h) |
| 35 mph (56.33 km/h) | 32.9 mph (52.94 km/h) |
| 40 mph (64.37 km/h) | 37.6 mph (60.51 km/h) |
| 45 mph (72.42 km/h) | 42.3 mph (68.07 km/h) |
| 50 mph (80.47 km/h) | 47 mph (75.63 km/h) |
| 55 mph (88.51 km/h) | 51.69 mph (83.19 km/h) |
| 60 mph (96.56 km/h) | 56.39 mph (90.76 km/h) |
| 65 mph (104.61 km/h) | 61.09 mph (98.32 km/h) |
| 70 mph (112.65 km/h) | 65.79 mph (105.88 km/h) |
| 75 mph (120.7 km/h) | 70.49 mph (113.45 km/h) |
| 80 mph (128.75 km/h) | 75.19 mph (121.01 km/h) |
| 85 mph (136.79 km/h) | 79.89 mph (128.57 km/h) |
| 90 mph (144.84 km/h) | 84.59 mph (136.14 km/h) |
| 95 mph (152.89 km/h) | 89.29 mph (143.7 km/h) |
| 100 mph (160.93 km/h) | 93.99 mph (151.26 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
