Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/95-14 | 30/10-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.84 (707.1) | 30 (762) | 2.16 (54.9) 7.8% |
| Width inches (mm) | 7.28 (185) | 10 (254) | 2.72 (69) 37.3% |
| Circum. inches (mm) | 87.46 (2221.42) | 94.25 (2393.89) | 6.79 (172.47) 7.8% |
| Sidewall Height inches (mm) | 6.92 (175.75) | 8 (203.2) | 1.08 (27.45) 15.6% |
| Revolutions per mile (km) | 724.47 (450.16) | 672.27 (417.73) | -52.2 (-32.43) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.55 mph (34.69 km/h) |
| 25 mph (40.23 km/h) | 26.94 mph (43.36 km/h) |
| 30 mph (48.28 km/h) | 32.33 mph (52.03 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.7 km/h) |
| 40 mph (64.37 km/h) | 43.11 mph (69.37 km/h) |
| 45 mph (72.42 km/h) | 48.49 mph (78.04 km/h) |
| 50 mph (80.47 km/h) | 53.88 mph (86.71 km/h) |
| 55 mph (88.51 km/h) | 59.27 mph (95.39 km/h) |
| 60 mph (96.56 km/h) | 64.66 mph (104.06 km/h) |
| 65 mph (104.61 km/h) | 70.05 mph (112.73 km/h) |
| 70 mph (112.65 km/h) | 75.43 mph (121.4 km/h) |
| 75 mph (120.7 km/h) | 80.82 mph (130.07 km/h) |
| 80 mph (128.75 km/h) | 86.21 mph (138.74 km/h) |
| 85 mph (136.79 km/h) | 91.6 mph (147.42 km/h) |
| 90 mph (144.84 km/h) | 96.99 mph (156.09 km/h) |
| 95 mph (152.89 km/h) | 102.38 mph (164.76 km/h) |
| 100 mph (160.93 km/h) | 107.76 mph (173.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1711 | 1987 | 2140 | 2235 | 2337 | 2410 | 2490 | 2584 | 2715 | 2846 | 2992 | 3109 | 3320 | 3553 | 3735 | 3851 | 3917 | 4157 | 4492 | 5220 |
Better Fuel Economy Factory Ratios Increased Power
