Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/40-17 | 130/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.8) | 24.17 (613.8) | 3.07 (78) 14.6% |
| Width inches (mm) | 5.12 (130) | 5.12 (130) | 0 (0) 0% |
| Circum. inches (mm) | 66.27 (1683.27) | 75.92 (1928.31) | 9.65 (245.04) 14.6% |
| Sidewall Height inches (mm) | 2.05 (52) | 3.58 (91) | 1.54 (39) 75% |
| Revolutions per mile (km) | 956.08 (594.08) | 834.59 (518.59) | -121.5 (-75.49) -12.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.91 mph (36.87 km/h) |
| 25 mph (40.23 km/h) | 28.64 mph (46.09 km/h) |
| 30 mph (48.28 km/h) | 34.37 mph (55.31 km/h) |
| 35 mph (56.33 km/h) | 40.1 mph (64.53 km/h) |
| 40 mph (64.37 km/h) | 45.82 mph (73.75 km/h) |
| 45 mph (72.42 km/h) | 51.55 mph (82.96 km/h) |
| 50 mph (80.47 km/h) | 57.28 mph (92.18 km/h) |
| 55 mph (88.51 km/h) | 63.01 mph (101.4 km/h) |
| 60 mph (96.56 km/h) | 68.73 mph (110.62 km/h) |
| 65 mph (104.61 km/h) | 74.46 mph (119.84 km/h) |
| 70 mph (112.65 km/h) | 80.19 mph (129.05 km/h) |
| 75 mph (120.7 km/h) | 85.92 mph (138.27 km/h) |
| 80 mph (128.75 km/h) | 91.65 mph (147.49 km/h) |
| 85 mph (136.79 km/h) | 97.37 mph (156.71 km/h) |
| 90 mph (144.84 km/h) | 103.1 mph (165.93 km/h) |
| 95 mph (152.89 km/h) | 108.83 mph (175.14 km/h) |
| 100 mph (160.93 km/h) | 114.56 mph (184.36 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
