Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 180/95-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 27.46 (697.6) | 2.13 (54) 8.4% |
| Width inches (mm) | 7.09 (180) | 7.09 (180) | 0 (0) 0% |
| Circum. inches (mm) | 79.6 (2021.93) | 86.28 (2191.58) | 6.68 (169.65) 8.4% |
| Sidewall Height inches (mm) | 5.67 (144) | 6.73 (171) | 1.06 (27) 18.8% |
| Revolutions per mile (km) | 795.94 (494.58) | 734.33 (456.29) | -61.61 (-38.28) -7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.68 mph (34.89 km/h) |
| 25 mph (40.23 km/h) | 27.1 mph (43.61 km/h) |
| 30 mph (48.28 km/h) | 32.52 mph (52.33 km/h) |
| 35 mph (56.33 km/h) | 37.94 mph (61.05 km/h) |
| 40 mph (64.37 km/h) | 43.36 mph (69.78 km/h) |
| 45 mph (72.42 km/h) | 48.78 mph (78.5 km/h) |
| 50 mph (80.47 km/h) | 54.2 mph (87.22 km/h) |
| 55 mph (88.51 km/h) | 59.61 mph (95.94 km/h) |
| 60 mph (96.56 km/h) | 65.03 mph (104.66 km/h) |
| 65 mph (104.61 km/h) | 70.45 mph (113.38 km/h) |
| 70 mph (112.65 km/h) | 75.87 mph (122.11 km/h) |
| 75 mph (120.7 km/h) | 81.29 mph (130.83 km/h) |
| 80 mph (128.75 km/h) | 86.71 mph (139.55 km/h) |
| 85 mph (136.79 km/h) | 92.13 mph (148.27 km/h) |
| 90 mph (144.84 km/h) | 97.55 mph (156.99 km/h) |
| 95 mph (152.89 km/h) | 102.97 mph (165.72 km/h) |
| 100 mph (160.93 km/h) | 108.39 mph (174.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1869 | 2171 | 2338 | 2441 | 2553 | 2632 | 2720 | 2823 | 2966 | 3109 | 3268 | 3396 | 3626 | 3881 | 4079 | 4207 | 4278 | 4541 | 4906 | 5702 |
Better Fuel Economy Factory Ratios Increased Power
