Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-10 | 145/40-10 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.13 (486) | 14.57 (370) | -4.57 (-116) -23.9% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 60.11 (1526.81) | 45.76 (1162.39) | -14.35 (-364.42) -23.9% |
| Sidewall Height inches (mm) | 4.57 (116) | 2.28 (58) | -2.28 (-58) -50% |
| Revolutions per mile (km) | 1054.05 (654.96) | 1384.51 (860.3) | 330.46 (205.34) 31.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.23 mph (24.5 km/h) |
| 25 mph (40.23 km/h) | 19.03 mph (30.63 km/h) |
| 30 mph (48.28 km/h) | 22.84 mph (36.76 km/h) |
| 35 mph (56.33 km/h) | 26.65 mph (42.88 km/h) |
| 40 mph (64.37 km/h) | 30.45 mph (49.01 km/h) |
| 45 mph (72.42 km/h) | 34.26 mph (55.14 km/h) |
| 50 mph (80.47 km/h) | 38.07 mph (61.26 km/h) |
| 55 mph (88.51 km/h) | 41.87 mph (67.39 km/h) |
| 60 mph (96.56 km/h) | 45.68 mph (73.51 km/h) |
| 65 mph (104.61 km/h) | 49.49 mph (79.64 km/h) |
| 70 mph (112.65 km/h) | 53.29 mph (85.77 km/h) |
| 75 mph (120.7 km/h) | 57.1 mph (91.89 km/h) |
| 80 mph (128.75 km/h) | 60.91 mph (98.02 km/h) |
| 85 mph (136.79 km/h) | 64.71 mph (104.14 km/h) |
| 90 mph (144.84 km/h) | 68.52 mph (110.27 km/h) |
| 95 mph (152.89 km/h) | 72.33 mph (116.4 km/h) |
| 100 mph (160.93 km/h) | 76.13 mph (122.52 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
