Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/80-15 | 130/90-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.19 (589) | 29.21 (742) | 6.02 (153) 26% |
| Width inches (mm) | 5.12 (130) | 5.12 (130) | 0 (0) 0% |
| Circum. inches (mm) | 72.85 (1850.4) | 91.77 (2331.06) | 18.92 (480.66) 26% |
| Sidewall Height inches (mm) | 4.09 (104) | 4.61 (117) | 0.51 (13) 12.5% |
| Revolutions per mile (km) | 869.73 (540.42) | 690.39 (428.99) | -179.34 (-111.43) -20.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.2 mph (40.55 km/h) |
| 25 mph (40.23 km/h) | 31.49 mph (50.68 km/h) |
| 30 mph (48.28 km/h) | 37.79 mph (60.82 km/h) |
| 35 mph (56.33 km/h) | 44.09 mph (70.96 km/h) |
| 40 mph (64.37 km/h) | 50.39 mph (81.1 km/h) |
| 45 mph (72.42 km/h) | 56.69 mph (91.23 km/h) |
| 50 mph (80.47 km/h) | 62.99 mph (101.37 km/h) |
| 55 mph (88.51 km/h) | 69.29 mph (111.51 km/h) |
| 60 mph (96.56 km/h) | 75.59 mph (121.64 km/h) |
| 65 mph (104.61 km/h) | 81.88 mph (131.78 km/h) |
| 70 mph (112.65 km/h) | 88.18 mph (141.92 km/h) |
| 75 mph (120.7 km/h) | 94.48 mph (152.05 km/h) |
| 80 mph (128.75 km/h) | 100.78 mph (162.19 km/h) |
| 85 mph (136.79 km/h) | 107.08 mph (172.33 km/h) |
| 90 mph (144.84 km/h) | 113.38 mph (182.47 km/h) |
| 95 mph (152.89 km/h) | 119.68 mph (192.6 km/h) |
| 100 mph (160.93 km/h) | 125.98 mph (202.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1757 | 2041 | 2198 | 2295 | 2400 | 2475 | 2557 | 2654 | 2789 | 2923 | 3073 | 3192 | 3409 | 3648 | 3835 | 3955 | 4022 | 4269 | 4613 | 5360 |
Better Fuel Economy Factory Ratios Increased Power
