Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/95-14 | 30/11-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.84 (707.1) | 30.04 (762.94) | 2.2 (55.84) 7.9% |
| Width inches (mm) | 7.28 (185) | 10.98 (279) | 3.7 (94) 50.8% |
| Circum. inches (mm) | 87.46 (2221.42) | 94.36 (2396.85) | 6.91 (175.43) 7.9% |
| Sidewall Height inches (mm) | 6.92 (175.75) | 8.02 (203.67) | 1.1 (27.92) 15.9% |
| Revolutions per mile (km) | 724.47 (450.16) | 671.44 (417.21) | -53.02 (-32.95) -7.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.58 mph (34.73 km/h) |
| 25 mph (40.23 km/h) | 26.97 mph (43.41 km/h) |
| 30 mph (48.28 km/h) | 32.37 mph (52.09 km/h) |
| 35 mph (56.33 km/h) | 37.76 mph (60.78 km/h) |
| 40 mph (64.37 km/h) | 43.16 mph (69.46 km/h) |
| 45 mph (72.42 km/h) | 48.55 mph (78.14 km/h) |
| 50 mph (80.47 km/h) | 53.95 mph (86.82 km/h) |
| 55 mph (88.51 km/h) | 59.34 mph (95.5 km/h) |
| 60 mph (96.56 km/h) | 64.74 mph (104.19 km/h) |
| 65 mph (104.61 km/h) | 70.13 mph (112.87 km/h) |
| 70 mph (112.65 km/h) | 75.53 mph (121.55 km/h) |
| 75 mph (120.7 km/h) | 80.92 mph (130.23 km/h) |
| 80 mph (128.75 km/h) | 86.32 mph (138.92 km/h) |
| 85 mph (136.79 km/h) | 91.71 mph (147.6 km/h) |
| 90 mph (144.84 km/h) | 97.11 mph (156.28 km/h) |
| 95 mph (152.89 km/h) | 102.5 mph (164.96 km/h) |
| 100 mph (160.93 km/h) | 107.9 mph (173.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1709 | 1985 | 2138 | 2232 | 2334 | 2407 | 2487 | 2581 | 2712 | 2843 | 2988 | 3105 | 3316 | 3548 | 3730 | 3846 | 3912 | 4152 | 4486 | 5213 |
Better Fuel Economy Factory Ratios Increased Power
