Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-17 | 130/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.56 (623.8) | 24.17 (613.8) | -0.39 (-10) -1.6% |
| Width inches (mm) | 4.72 (120) | 5.12 (130) | 0.39 (10) 8.3% |
| Circum. inches (mm) | 77.15 (1959.73) | 75.92 (1928.31) | -1.24 (-31.42) -1.6% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.58 (91) | -0.2 (-5) -5.2% |
| Revolutions per mile (km) | 821.21 (510.27) | 834.59 (518.59) | 13.38 (8.31) 1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.67 km/h) |
| 25 mph (40.23 km/h) | 24.6 mph (39.59 km/h) |
| 30 mph (48.28 km/h) | 29.52 mph (47.51 km/h) |
| 35 mph (56.33 km/h) | 34.44 mph (55.42 km/h) |
| 40 mph (64.37 km/h) | 39.36 mph (63.34 km/h) |
| 45 mph (72.42 km/h) | 44.28 mph (71.26 km/h) |
| 50 mph (80.47 km/h) | 49.2 mph (79.18 km/h) |
| 55 mph (88.51 km/h) | 54.12 mph (87.1 km/h) |
| 60 mph (96.56 km/h) | 59.04 mph (95.01 km/h) |
| 65 mph (104.61 km/h) | 63.96 mph (102.93 km/h) |
| 70 mph (112.65 km/h) | 68.88 mph (110.85 km/h) |
| 75 mph (120.7 km/h) | 73.8 mph (118.77 km/h) |
| 80 mph (128.75 km/h) | 78.72 mph (126.68 km/h) |
| 85 mph (136.79 km/h) | 83.64 mph (134.6 km/h) |
| 90 mph (144.84 km/h) | 88.56 mph (142.52 km/h) |
| 95 mph (152.89 km/h) | 93.48 mph (150.44 km/h) |
| 100 mph (160.93 km/h) | 98.4 mph (158.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2124 | 2467 | 2657 | 2775 | 2901 | 2991 | 3091 | 3208 | 3371 | 3534 | 3715 | 3859 | 4121 | 4410 | 4636 | 4781 | 4862 | 5161 | 5576 | 6480 |
Better Fuel Economy Factory Ratios Increased Power
