Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-14 | 140/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.34 (516.6) | 21.72 (551.6) | 1.38 (35) 6.8% |
| Width inches (mm) | 4.53 (115) | 5.51 (140) | 0.98 (25) 21.7% |
| Circum. inches (mm) | 63.9 (1622.95) | 68.22 (1732.9) | 4.33 (109.96) 6.8% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 3.86 (98) | 0.69 (17.5) 21.7% |
| Revolutions per mile (km) | 991.62 (616.16) | 928.7 (577.07) | -62.92 (-39.1) -6.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.36 mph (34.37 km/h) |
| 25 mph (40.23 km/h) | 26.69 mph (42.96 km/h) |
| 30 mph (48.28 km/h) | 32.03 mph (51.55 km/h) |
| 35 mph (56.33 km/h) | 37.37 mph (60.14 km/h) |
| 40 mph (64.37 km/h) | 42.71 mph (68.74 km/h) |
| 45 mph (72.42 km/h) | 48.05 mph (77.33 km/h) |
| 50 mph (80.47 km/h) | 53.39 mph (85.92 km/h) |
| 55 mph (88.51 km/h) | 58.73 mph (94.51 km/h) |
| 60 mph (96.56 km/h) | 64.07 mph (103.1 km/h) |
| 65 mph (104.61 km/h) | 69.4 mph (111.69 km/h) |
| 70 mph (112.65 km/h) | 74.74 mph (120.29 km/h) |
| 75 mph (120.7 km/h) | 80.08 mph (128.88 km/h) |
| 80 mph (128.75 km/h) | 85.42 mph (137.47 km/h) |
| 85 mph (136.79 km/h) | 90.76 mph (146.06 km/h) |
| 90 mph (144.84 km/h) | 96.1 mph (154.65 km/h) |
| 95 mph (152.89 km/h) | 101.44 mph (163.25 km/h) |
| 100 mph (160.93 km/h) | 106.78 mph (171.84 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
