Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-16 | 31/12.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.61 (777.4) | 31.03 (788.04) | 0.42 (10.64) 1.4% |
| Width inches (mm) | 10.43 (265) | 12.52 (318) | 2.09 (53) 20% |
| Circum. inches (mm) | 96.15 (2442.27) | 97.47 (2475.7) | 1.32 (33.43) 1.4% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 8.01 (203.52) | 0.71 (18.02) 9.7% |
| Revolutions per mile (km) | 658.95 (409.45) | 650.06 (403.93) | -8.9 (-5.53) -1.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.27 mph (32.63 km/h) |
| 25 mph (40.23 km/h) | 25.34 mph (40.78 km/h) |
| 30 mph (48.28 km/h) | 30.41 mph (48.94 km/h) |
| 35 mph (56.33 km/h) | 35.48 mph (57.1 km/h) |
| 40 mph (64.37 km/h) | 40.55 mph (65.25 km/h) |
| 45 mph (72.42 km/h) | 45.62 mph (73.41 km/h) |
| 50 mph (80.47 km/h) | 50.68 mph (81.57 km/h) |
| 55 mph (88.51 km/h) | 55.75 mph (89.73 km/h) |
| 60 mph (96.56 km/h) | 60.82 mph (97.88 km/h) |
| 65 mph (104.61 km/h) | 65.89 mph (106.04 km/h) |
| 70 mph (112.65 km/h) | 70.96 mph (114.2 km/h) |
| 75 mph (120.7 km/h) | 76.03 mph (122.35 km/h) |
| 80 mph (128.75 km/h) | 81.09 mph (130.51 km/h) |
| 85 mph (136.79 km/h) | 86.16 mph (138.67 km/h) |
| 90 mph (144.84 km/h) | 91.23 mph (146.82 km/h) |
| 95 mph (152.89 km/h) | 96.3 mph (154.98 km/h) |
| 100 mph (160.93 km/h) | 101.37 mph (163.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1654 | 1922 | 2070 | 2161 | 2260 | 2330 | 2407 | 2499 | 2626 | 2752 | 2893 | 3006 | 3210 | 3435 | 3611 | 3724 | 3787 | 4020 | 4343 | 5047 |
Better Fuel Economy Factory Ratios Increased Power
