Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-15 | 135/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.89 (556) | 24.57 (624) | 2.68 (68) 12.2% |
| Width inches (mm) | 4.92 (125) | 5.31 (135) | 0.39 (10) 8% |
| Circum. inches (mm) | 68.77 (1746.73) | 77.18 (1960.35) | 8.41 (213.63) 12.2% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 4.78 (121.5) | 1.34 (34) 38.9% |
| Revolutions per mile (km) | 921.35 (572.5) | 820.95 (510.11) | -100.4 (-62.39) -10.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.45 mph (36.12 km/h) |
| 25 mph (40.23 km/h) | 28.06 mph (45.15 km/h) |
| 30 mph (48.28 km/h) | 33.67 mph (54.19 km/h) |
| 35 mph (56.33 km/h) | 39.28 mph (63.22 km/h) |
| 40 mph (64.37 km/h) | 44.89 mph (72.25 km/h) |
| 45 mph (72.42 km/h) | 50.5 mph (81.28 km/h) |
| 50 mph (80.47 km/h) | 56.12 mph (90.31 km/h) |
| 55 mph (88.51 km/h) | 61.73 mph (99.34 km/h) |
| 60 mph (96.56 km/h) | 67.34 mph (108.37 km/h) |
| 65 mph (104.61 km/h) | 72.95 mph (117.4 km/h) |
| 70 mph (112.65 km/h) | 78.56 mph (126.43 km/h) |
| 75 mph (120.7 km/h) | 84.17 mph (135.46 km/h) |
| 80 mph (128.75 km/h) | 89.78 mph (144.49 km/h) |
| 85 mph (136.79 km/h) | 95.4 mph (153.52 km/h) |
| 90 mph (144.84 km/h) | 101.01 mph (162.56 km/h) |
| 95 mph (152.89 km/h) | 106.62 mph (171.59 km/h) |
| 100 mph (160.93 km/h) | 112.23 mph (180.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2089 | 2427 | 2614 | 2729 | 2854 | 2943 | 3040 | 3156 | 3316 | 3476 | 3654 | 3796 | 4054 | 4338 | 4561 | 4703 | 4783 | 5076 | 5485 | 6374 |
Better Fuel Economy Factory Ratios Increased Power
