Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/80-18 | 150/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.19 (665.2) | 25.27 (641.8) | -0.92 (-23.4) -3.5% |
| Width inches (mm) | 5.12 (130) | 5.91 (150) | 0.79 (20) 15.4% |
| Circum. inches (mm) | 82.28 (2089.79) | 79.38 (2016.27) | -2.89 (-73.51) -3.5% |
| Sidewall Height inches (mm) | 4.09 (104) | 4.13 (105) | 0.04 (1) 1% |
| Revolutions per mile (km) | 770.1 (478.52) | 798.18 (495.96) | 28.08 (17.45) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.3 mph (31.05 km/h) |
| 25 mph (40.23 km/h) | 24.12 mph (38.82 km/h) |
| 30 mph (48.28 km/h) | 28.94 mph (46.58 km/h) |
| 35 mph (56.33 km/h) | 33.77 mph (54.35 km/h) |
| 40 mph (64.37 km/h) | 38.59 mph (62.11 km/h) |
| 45 mph (72.42 km/h) | 43.42 mph (69.87 km/h) |
| 50 mph (80.47 km/h) | 48.24 mph (77.64 km/h) |
| 55 mph (88.51 km/h) | 53.07 mph (85.4 km/h) |
| 60 mph (96.56 km/h) | 57.89 mph (93.16 km/h) |
| 65 mph (104.61 km/h) | 62.71 mph (100.93 km/h) |
| 70 mph (112.65 km/h) | 67.54 mph (108.69 km/h) |
| 75 mph (120.7 km/h) | 72.36 mph (116.46 km/h) |
| 80 mph (128.75 km/h) | 77.19 mph (124.22 km/h) |
| 85 mph (136.79 km/h) | 82.01 mph (131.98 km/h) |
| 90 mph (144.84 km/h) | 86.83 mph (139.75 km/h) |
| 95 mph (152.89 km/h) | 91.66 mph (147.51 km/h) |
| 100 mph (160.93 km/h) | 96.48 mph (155.27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2031 | 2360 | 2541 | 2654 | 2775 | 2861 | 2956 | 3068 | 3224 | 3380 | 3552 | 3691 | 3941 | 4218 | 4434 | 4572 | 4650 | 4935 | 5333 | 6197 |
Better Fuel Economy Factory Ratios Increased Power
