Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 250/30-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 19.91 (505.6) | -0.24 (-6) -1.2% |
| Width inches (mm) | 7.68 (195) | 9.84 (250) | 2.17 (55) 28.2% |
| Circum. inches (mm) | 63.28 (1607.24) | 62.54 (1588.39) | -0.74 (-18.85) -1.2% |
| Sidewall Height inches (mm) | 3.07 (78) | 2.95 (75) | -0.12 (-3) -3.8% |
| Revolutions per mile (km) | 1001.31 (622.18) | 1013.19 (629.57) | 11.88 (7.38) 1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.77 mph (31.81 km/h) |
| 25 mph (40.23 km/h) | 24.71 mph (39.76 km/h) |
| 30 mph (48.28 km/h) | 29.65 mph (47.71 km/h) |
| 35 mph (56.33 km/h) | 34.59 mph (55.67 km/h) |
| 40 mph (64.37 km/h) | 39.53 mph (63.62 km/h) |
| 45 mph (72.42 km/h) | 44.47 mph (71.57 km/h) |
| 50 mph (80.47 km/h) | 49.41 mph (79.52 km/h) |
| 55 mph (88.51 km/h) | 54.35 mph (87.48 km/h) |
| 60 mph (96.56 km/h) | 59.3 mph (95.43 km/h) |
| 65 mph (104.61 km/h) | 64.24 mph (103.38 km/h) |
| 70 mph (112.65 km/h) | 69.18 mph (111.33 km/h) |
| 75 mph (120.7 km/h) | 74.12 mph (119.29 km/h) |
| 80 mph (128.75 km/h) | 79.06 mph (127.24 km/h) |
| 85 mph (136.79 km/h) | 84 mph (135.19 km/h) |
| 90 mph (144.84 km/h) | 88.94 mph (143.14 km/h) |
| 95 mph (152.89 km/h) | 93.89 mph (151.09 km/h) |
| 100 mph (160.93 km/h) | 98.83 mph (159.05 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
