Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/11-12 | 145/80-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.06 (661.92) | 21.13 (536.8) | -4.93 (-125.12) -18.9% |
| Width inches (mm) | 10.98 (279) | 5.71 (145) | -5.28 (-134) -48% |
| Circum. inches (mm) | 81.87 (2079.48) | 66.39 (1686.41) | -15.48 (-393.08) -18.9% |
| Sidewall Height inches (mm) | 7.03 (178.56) | 4.57 (116) | -2.46 (-62.56) -35% |
| Revolutions per mile (km) | 773.92 (480.89) | 954.3 (592.98) | 180.39 (112.09) 23.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.22 mph (26.1 km/h) |
| 25 mph (40.23 km/h) | 20.27 mph (32.63 km/h) |
| 30 mph (48.28 km/h) | 24.33 mph (39.15 km/h) |
| 35 mph (56.33 km/h) | 28.38 mph (45.68 km/h) |
| 40 mph (64.37 km/h) | 32.44 mph (52.21 km/h) |
| 45 mph (72.42 km/h) | 36.49 mph (58.73 km/h) |
| 50 mph (80.47 km/h) | 40.55 mph (65.26 km/h) |
| 55 mph (88.51 km/h) | 44.6 mph (71.78 km/h) |
| 60 mph (96.56 km/h) | 48.66 mph (78.31 km/h) |
| 65 mph (104.61 km/h) | 52.71 mph (84.83 km/h) |
| 70 mph (112.65 km/h) | 56.77 mph (91.36 km/h) |
| 75 mph (120.7 km/h) | 60.82 mph (97.89 km/h) |
| 80 mph (128.75 km/h) | 64.88 mph (104.41 km/h) |
| 85 mph (136.79 km/h) | 68.93 mph (110.94 km/h) |
| 90 mph (144.84 km/h) | 72.99 mph (117.46 km/h) |
| 95 mph (152.89 km/h) | 77.04 mph (123.99 km/h) |
| 100 mph (160.93 km/h) | 81.1 mph (130.51 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
