Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/80-12 | 110/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.67 (448.8) | 18.06 (458.8) | 0.39 (10) 2.2% |
| Width inches (mm) | 3.54 (90) | 4.33 (110) | 0.79 (20) 22.2% |
| Circum. inches (mm) | 55.51 (1409.95) | 56.75 (1441.36) | 1.24 (31.42) 2.2% |
| Sidewall Height inches (mm) | 2.83 (72) | 3.03 (77) | 0.2 (5) 6.9% |
| Revolutions per mile (km) | 1141.42 (709.25) | 1116.54 (693.79) | -24.88 (-15.46) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.9 km/h) |
| 25 mph (40.23 km/h) | 25.56 mph (41.13 km/h) |
| 30 mph (48.28 km/h) | 30.67 mph (49.36 km/h) |
| 35 mph (56.33 km/h) | 35.78 mph (57.58 km/h) |
| 40 mph (64.37 km/h) | 40.89 mph (65.81 km/h) |
| 45 mph (72.42 km/h) | 46 mph (74.03 km/h) |
| 50 mph (80.47 km/h) | 51.11 mph (82.26 km/h) |
| 55 mph (88.51 km/h) | 56.23 mph (90.49 km/h) |
| 60 mph (96.56 km/h) | 61.34 mph (98.71 km/h) |
| 65 mph (104.61 km/h) | 66.45 mph (106.94 km/h) |
| 70 mph (112.65 km/h) | 71.56 mph (115.16 km/h) |
| 75 mph (120.7 km/h) | 76.67 mph (123.39 km/h) |
| 80 mph (128.75 km/h) | 81.78 mph (131.62 km/h) |
| 85 mph (136.79 km/h) | 86.89 mph (139.84 km/h) |
| 90 mph (144.84 km/h) | 92.01 mph (148.07 km/h) |
| 95 mph (152.89 km/h) | 97.12 mph (156.29 km/h) |
| 100 mph (160.93 km/h) | 102.23 mph (164.52 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
