Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/80-15 | 120/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.19 (589) | 24.56 (623.8) | 1.37 (34.8) 5.9% |
| Width inches (mm) | 5.12 (130) | 4.72 (120) | -0.39 (-10) -7.7% |
| Circum. inches (mm) | 72.85 (1850.4) | 77.15 (1959.73) | 4.3 (109.33) 5.9% |
| Sidewall Height inches (mm) | 4.09 (104) | 3.78 (96) | -0.31 (-8) -7.7% |
| Revolutions per mile (km) | 869.73 (540.42) | 821.21 (510.27) | -48.52 (-30.15) -5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.18 mph (34.09 km/h) |
| 25 mph (40.23 km/h) | 26.48 mph (42.61 km/h) |
| 30 mph (48.28 km/h) | 31.77 mph (51.13 km/h) |
| 35 mph (56.33 km/h) | 37.07 mph (59.66 km/h) |
| 40 mph (64.37 km/h) | 42.36 mph (68.18 km/h) |
| 45 mph (72.42 km/h) | 47.66 mph (76.7 km/h) |
| 50 mph (80.47 km/h) | 52.95 mph (85.22 km/h) |
| 55 mph (88.51 km/h) | 58.25 mph (93.74 km/h) |
| 60 mph (96.56 km/h) | 63.54 mph (102.27 km/h) |
| 65 mph (104.61 km/h) | 68.84 mph (110.79 km/h) |
| 70 mph (112.65 km/h) | 74.14 mph (119.31 km/h) |
| 75 mph (120.7 km/h) | 79.43 mph (127.83 km/h) |
| 80 mph (128.75 km/h) | 84.73 mph (136.35 km/h) |
| 85 mph (136.79 km/h) | 90.02 mph (144.88 km/h) |
| 90 mph (144.84 km/h) | 95.32 mph (153.4 km/h) |
| 95 mph (152.89 km/h) | 100.61 mph (161.92 km/h) |
| 100 mph (160.93 km/h) | 105.91 mph (170.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2090 | 2428 | 2614 | 2730 | 2855 | 2944 | 3041 | 3157 | 3317 | 3477 | 3655 | 3797 | 4055 | 4340 | 4562 | 4704 | 4784 | 5078 | 5487 | 6376 |
Better Fuel Economy Factory Ratios Increased Power
