Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-16 | 31/10.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.4) | 30.93 (785.54) | 0.04 (1.14) 0.1% |
| Width inches (mm) | 10.63 (270) | 10.51 (267) | -0.12 (-3) -1.1% |
| Circum. inches (mm) | 97.02 (2464.27) | 97.16 (2467.85) | 0.14 (3.58) 0.1% |
| Sidewall Height inches (mm) | 7.44 (189) | 7.46 (189.57) | 0.02 (0.57) 0.3% |
| Revolutions per mile (km) | 653.07 (405.8) | 652.12 (405.21) | -0.95 (-0.59) -0.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.03 mph (32.23 km/h) |
| 25 mph (40.23 km/h) | 25.04 mph (40.29 km/h) |
| 30 mph (48.28 km/h) | 30.04 mph (48.35 km/h) |
| 35 mph (56.33 km/h) | 35.05 mph (56.41 km/h) |
| 40 mph (64.37 km/h) | 40.06 mph (64.47 km/h) |
| 45 mph (72.42 km/h) | 45.07 mph (72.53 km/h) |
| 50 mph (80.47 km/h) | 50.07 mph (80.58 km/h) |
| 55 mph (88.51 km/h) | 55.08 mph (88.64 km/h) |
| 60 mph (96.56 km/h) | 60.09 mph (96.7 km/h) |
| 65 mph (104.61 km/h) | 65.09 mph (104.76 km/h) |
| 70 mph (112.65 km/h) | 70.1 mph (112.82 km/h) |
| 75 mph (120.7 km/h) | 75.11 mph (120.88 km/h) |
| 80 mph (128.75 km/h) | 80.12 mph (128.93 km/h) |
| 85 mph (136.79 km/h) | 85.12 mph (136.99 km/h) |
| 90 mph (144.84 km/h) | 90.13 mph (145.05 km/h) |
| 95 mph (152.89 km/h) | 95.14 mph (153.11 km/h) |
| 100 mph (160.93 km/h) | 100.15 mph (161.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1660 | 1928 | 2076 | 2168 | 2267 | 2337 | 2415 | 2507 | 2634 | 2761 | 2902 | 3015 | 3220 | 3446 | 3623 | 3736 | 3799 | 4032 | 4357 | 5063 |
Better Fuel Economy Factory Ratios Increased Power
