Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-14 | 305/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.89 (530.6) | 30.81 (782.6) | 9.92 (252) 47.5% |
| Width inches (mm) | 4.92 (125) | 12.01 (305) | 7.09 (180) 144% |
| Circum. inches (mm) | 65.63 (1666.93) | 96.8 (2458.61) | 31.17 (791.68) 47.5% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 8.41 (213.5) | 4.96 (126) 144% |
| Revolutions per mile (km) | 965.45 (599.9) | 654.57 (406.73) | -310.88 (-193.17) -32.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.5 mph (47.47 km/h) |
| 25 mph (40.23 km/h) | 36.87 mph (59.34 km/h) |
| 30 mph (48.28 km/h) | 44.25 mph (71.21 km/h) |
| 35 mph (56.33 km/h) | 51.62 mph (83.08 km/h) |
| 40 mph (64.37 km/h) | 59 mph (94.95 km/h) |
| 45 mph (72.42 km/h) | 66.37 mph (106.82 km/h) |
| 50 mph (80.47 km/h) | 73.75 mph (118.68 km/h) |
| 55 mph (88.51 km/h) | 81.12 mph (130.55 km/h) |
| 60 mph (96.56 km/h) | 88.5 mph (142.42 km/h) |
| 65 mph (104.61 km/h) | 95.87 mph (154.29 km/h) |
| 70 mph (112.65 km/h) | 103.25 mph (166.16 km/h) |
| 75 mph (120.7 km/h) | 110.62 mph (178.03 km/h) |
| 80 mph (128.75 km/h) | 117.99 mph (189.89 km/h) |
| 85 mph (136.79 km/h) | 125.37 mph (201.76 km/h) |
| 90 mph (144.84 km/h) | 132.74 mph (213.63 km/h) |
| 95 mph (152.89 km/h) | 140.12 mph (225.5 km/h) |
| 100 mph (160.93 km/h) | 147.49 mph (237.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1666 | 1935 | 2084 | 2176 | 2275 | 2346 | 2424 | 2516 | 2644 | 2772 | 2913 | 3027 | 3232 | 3459 | 3636 | 3750 | 3814 | 4047 | 4374 | 5082 |
Better Fuel Economy Factory Ratios Increased Power
