Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-15 | 130/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.61 (549) | 22.17 (563) | 0.55 (14) 2.6% |
| Width inches (mm) | 4.72 (120) | 5.12 (130) | 0.39 (10) 8.3% |
| Circum. inches (mm) | 67.9 (1724.73) | 69.63 (1768.72) | 1.73 (43.98) 2.6% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.58 (91) | 0.28 (7) 8.3% |
| Revolutions per mile (km) | 933.1 (579.8) | 909.89 (565.38) | -23.2 (-14.42) -2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.51 mph (33.01 km/h) |
| 25 mph (40.23 km/h) | 25.64 mph (41.26 km/h) |
| 30 mph (48.28 km/h) | 30.77 mph (49.51 km/h) |
| 35 mph (56.33 km/h) | 35.89 mph (57.76 km/h) |
| 40 mph (64.37 km/h) | 41.02 mph (66.02 km/h) |
| 45 mph (72.42 km/h) | 46.15 mph (74.27 km/h) |
| 50 mph (80.47 km/h) | 51.28 mph (82.52 km/h) |
| 55 mph (88.51 km/h) | 56.4 mph (90.77 km/h) |
| 60 mph (96.56 km/h) | 61.53 mph (99.02 km/h) |
| 65 mph (104.61 km/h) | 66.66 mph (107.28 km/h) |
| 70 mph (112.65 km/h) | 71.79 mph (115.53 km/h) |
| 75 mph (120.7 km/h) | 76.91 mph (123.78 km/h) |
| 80 mph (128.75 km/h) | 82.04 mph (132.03 km/h) |
| 85 mph (136.79 km/h) | 87.17 mph (140.28 km/h) |
| 90 mph (144.84 km/h) | 92.3 mph (148.53 km/h) |
| 95 mph (152.89 km/h) | 97.42 mph (156.79 km/h) |
| 100 mph (160.93 km/h) | 102.55 mph (165.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2316 | 2690 | 2897 | 3025 | 3163 | 3261 | 3370 | 3498 | 3675 | 3853 | 4050 | 4207 | 4493 | 4808 | 5055 | 5212 | 5301 | 5626 | 6079 | 7065 |
Better Fuel Economy Factory Ratios Increased Power
