Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/70-14 | 140/90-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.96 (481.6) | 23.92 (607.6) | 4.96 (126) 26.2% |
| Width inches (mm) | 3.54 (90) | 5.51 (140) | 1.97 (50) 55.6% |
| Circum. inches (mm) | 59.57 (1512.99) | 75.15 (1908.83) | 15.58 (395.84) 26.2% |
| Sidewall Height inches (mm) | 2.48 (63) | 4.96 (126) | 2.48 (63) 100% |
| Revolutions per mile (km) | 1063.68 (660.94) | 843.1 (523.88) | -220.58 (-137.06) -20.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.23 mph (40.61 km/h) |
| 25 mph (40.23 km/h) | 31.54 mph (50.76 km/h) |
| 30 mph (48.28 km/h) | 37.85 mph (60.91 km/h) |
| 35 mph (56.33 km/h) | 44.16 mph (71.06 km/h) |
| 40 mph (64.37 km/h) | 50.47 mph (81.22 km/h) |
| 45 mph (72.42 km/h) | 56.77 mph (91.37 km/h) |
| 50 mph (80.47 km/h) | 63.08 mph (101.52 km/h) |
| 55 mph (88.51 km/h) | 69.39 mph (111.67 km/h) |
| 60 mph (96.56 km/h) | 75.7 mph (121.82 km/h) |
| 65 mph (104.61 km/h) | 82.01 mph (131.98 km/h) |
| 70 mph (112.65 km/h) | 88.31 mph (142.13 km/h) |
| 75 mph (120.7 km/h) | 94.62 mph (152.28 km/h) |
| 80 mph (128.75 km/h) | 100.93 mph (162.43 km/h) |
| 85 mph (136.79 km/h) | 107.24 mph (172.58 km/h) |
| 90 mph (144.84 km/h) | 113.55 mph (182.74 km/h) |
| 95 mph (152.89 km/h) | 119.85 mph (192.89 km/h) |
| 100 mph (160.93 km/h) | 126.16 mph (203.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2146 | 2492 | 2684 | 2803 | 2931 | 3022 | 3122 | 3241 | 3405 | 3570 | 3752 | 3898 | 4163 | 4455 | 4684 | 4830 | 4912 | 5213 | 5633 | 6546 |
Better Fuel Economy Factory Ratios Increased Power
