Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-15 | 130/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.34 (542) | 22.19 (563.6) | 0.85 (21.6) 4% |
| Width inches (mm) | 4.53 (115) | 5.12 (130) | 0.59 (15) 13% |
| Circum. inches (mm) | 67.04 (1702.74) | 69.71 (1770.6) | 2.67 (67.86) 4% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 4.09 (104) | 0.93 (23.5) 29.2% |
| Revolutions per mile (km) | 945.15 (587.29) | 908.92 (564.78) | -36.22 (-22.51) -3.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.8 mph (33.47 km/h) |
| 25 mph (40.23 km/h) | 26 mph (41.84 km/h) |
| 30 mph (48.28 km/h) | 31.2 mph (50.2 km/h) |
| 35 mph (56.33 km/h) | 36.39 mph (58.57 km/h) |
| 40 mph (64.37 km/h) | 41.59 mph (66.94 km/h) |
| 45 mph (72.42 km/h) | 46.79 mph (75.31 km/h) |
| 50 mph (80.47 km/h) | 51.99 mph (83.67 km/h) |
| 55 mph (88.51 km/h) | 57.19 mph (92.04 km/h) |
| 60 mph (96.56 km/h) | 62.39 mph (100.41 km/h) |
| 65 mph (104.61 km/h) | 67.59 mph (108.78 km/h) |
| 70 mph (112.65 km/h) | 72.79 mph (117.14 km/h) |
| 75 mph (120.7 km/h) | 77.99 mph (125.51 km/h) |
| 80 mph (128.75 km/h) | 83.19 mph (133.88 km/h) |
| 85 mph (136.79 km/h) | 88.39 mph (142.25 km/h) |
| 90 mph (144.84 km/h) | 93.59 mph (150.61 km/h) |
| 95 mph (152.89 km/h) | 98.79 mph (158.98 km/h) |
| 100 mph (160.93 km/h) | 103.99 mph (167.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2313 | 2687 | 2894 | 3022 | 3160 | 3258 | 3366 | 3494 | 3671 | 3849 | 4045 | 4203 | 4488 | 4803 | 5049 | 5207 | 5295 | 5620 | 6073 | 7057 |
Better Fuel Economy Factory Ratios Increased Power
