Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/60-14 | 270/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.61 (523.6) | 26.76 (679.6) | 6.14 (156) 29.8% |
| Width inches (mm) | 5.51 (140) | 10.63 (270) | 5.12 (130) 92.9% |
| Circum. inches (mm) | 64.76 (1644.94) | 84.06 (2135.03) | 19.29 (490.09) 29.8% |
| Sidewall Height inches (mm) | 3.31 (84) | 6.38 (162) | 3.07 (78) 92.9% |
| Revolutions per mile (km) | 978.36 (607.92) | 753.78 (468.38) | -224.58 (-139.55) -23% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.96 mph (41.78 km/h) |
| 25 mph (40.23 km/h) | 32.45 mph (52.22 km/h) |
| 30 mph (48.28 km/h) | 38.94 mph (62.66 km/h) |
| 35 mph (56.33 km/h) | 45.43 mph (73.11 km/h) |
| 40 mph (64.37 km/h) | 51.92 mph (83.55 km/h) |
| 45 mph (72.42 km/h) | 58.41 mph (94 km/h) |
| 50 mph (80.47 km/h) | 64.9 mph (104.44 km/h) |
| 55 mph (88.51 km/h) | 71.39 mph (114.89 km/h) |
| 60 mph (96.56 km/h) | 77.88 mph (125.33 km/h) |
| 65 mph (104.61 km/h) | 84.37 mph (135.77 km/h) |
| 70 mph (112.65 km/h) | 90.86 mph (146.22 km/h) |
| 75 mph (120.7 km/h) | 97.35 mph (156.66 km/h) |
| 80 mph (128.75 km/h) | 103.83 mph (167.11 km/h) |
| 85 mph (136.79 km/h) | 110.32 mph (177.55 km/h) |
| 90 mph (144.84 km/h) | 116.81 mph (187.99 km/h) |
| 95 mph (152.89 km/h) | 123.3 mph (198.44 km/h) |
| 100 mph (160.93 km/h) | 129.79 mph (208.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1918 | 2228 | 2400 | 2506 | 2620 | 2702 | 2792 | 2898 | 3045 | 3192 | 3355 | 3485 | 3722 | 3983 | 4187 | 4318 | 4392 | 4661 | 5036 | 5853 |
Better Fuel Economy Factory Ratios Increased Power
