Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 145/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 20.85 (529.6) | -2.28 (-58) -9.9% |
| Width inches (mm) | 5.71 (145) | 5.71 (145) | 0 (0) 0% |
| Circum. inches (mm) | 72.68 (1846) | 65.5 (1663.79) | -7.17 (-182.21) -9.9% |
| Sidewall Height inches (mm) | 4.57 (116) | 3.43 (87) | -1.14 (-29) -25% |
| Revolutions per mile (km) | 871.8 (541.71) | 967.28 (601.04) | 95.48 (59.33) 11% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.03 mph (29.01 km/h) |
| 25 mph (40.23 km/h) | 22.53 mph (36.26 km/h) |
| 30 mph (48.28 km/h) | 27.04 mph (43.51 km/h) |
| 35 mph (56.33 km/h) | 31.55 mph (50.77 km/h) |
| 40 mph (64.37 km/h) | 36.05 mph (58.02 km/h) |
| 45 mph (72.42 km/h) | 40.56 mph (65.27 km/h) |
| 50 mph (80.47 km/h) | 45.06 mph (72.52 km/h) |
| 55 mph (88.51 km/h) | 49.57 mph (79.78 km/h) |
| 60 mph (96.56 km/h) | 54.08 mph (87.03 km/h) |
| 65 mph (104.61 km/h) | 58.58 mph (94.28 km/h) |
| 70 mph (112.65 km/h) | 63.09 mph (101.53 km/h) |
| 75 mph (120.7 km/h) | 67.6 mph (108.79 km/h) |
| 80 mph (128.75 km/h) | 72.1 mph (116.04 km/h) |
| 85 mph (136.79 km/h) | 76.61 mph (123.29 km/h) |
| 90 mph (144.84 km/h) | 81.12 mph (130.54 km/h) |
| 95 mph (152.89 km/h) | 85.62 mph (137.8 km/h) |
| 100 mph (160.93 km/h) | 90.13 mph (145.05 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
