Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-17 | 115/35-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.8) | 20.17 (512.3) | -5.96 (-151.5) -22.8% |
| Width inches (mm) | 5.71 (145) | 4.53 (115) | -1.18 (-30) -20.7% |
| Circum. inches (mm) | 82.1 (2085.39) | 63.36 (1609.44) | -18.74 (-475.95) -22.8% |
| Sidewall Height inches (mm) | 4.57 (116) | 1.58 (40.25) | -2.98 (-75.75) -65.3% |
| Revolutions per mile (km) | 771.72 (479.53) | 999.94 (621.33) | 228.22 (141.81) 29.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.44 mph (24.84 km/h) |
| 25 mph (40.23 km/h) | 19.29 mph (31.05 km/h) |
| 30 mph (48.28 km/h) | 23.15 mph (37.26 km/h) |
| 35 mph (56.33 km/h) | 27.01 mph (43.47 km/h) |
| 40 mph (64.37 km/h) | 30.87 mph (49.68 km/h) |
| 45 mph (72.42 km/h) | 34.73 mph (55.89 km/h) |
| 50 mph (80.47 km/h) | 38.59 mph (62.1 km/h) |
| 55 mph (88.51 km/h) | 42.45 mph (68.31 km/h) |
| 60 mph (96.56 km/h) | 46.31 mph (74.52 km/h) |
| 65 mph (104.61 km/h) | 50.16 mph (80.73 km/h) |
| 70 mph (112.65 km/h) | 54.02 mph (86.94 km/h) |
| 75 mph (120.7 km/h) | 57.88 mph (93.15 km/h) |
| 80 mph (128.75 km/h) | 61.74 mph (99.36 km/h) |
| 85 mph (136.79 km/h) | 65.6 mph (105.57 km/h) |
| 90 mph (144.84 km/h) | 69.46 mph (111.78 km/h) |
| 95 mph (152.89 km/h) | 73.32 mph (117.99 km/h) |
| 100 mph (160.93 km/h) | 77.18 mph (124.2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
