Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 25/10-12 | 26/9-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635) | 26.06 (662.04) | 1.06 (27.04) 4.3% |
| Width inches (mm) | 10 (254) | 9.02 (229) | -0.98 (-25) -9.8% |
| Circum. inches (mm) | 78.54 (1994.91) | 81.88 (2079.86) | 3.34 (84.95) 4.3% |
| Sidewall Height inches (mm) | 6.5 (165.1) | 7.03 (178.62) | 0.53 (13.52) 8.2% |
| Revolutions per mile (km) | 806.72 (501.27) | 773.78 (480.8) | -32.95 (-20.47) -4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.85 mph (33.56 km/h) |
| 25 mph (40.23 km/h) | 26.06 mph (41.95 km/h) |
| 30 mph (48.28 km/h) | 31.28 mph (50.34 km/h) |
| 35 mph (56.33 km/h) | 36.49 mph (58.73 km/h) |
| 40 mph (64.37 km/h) | 41.7 mph (67.12 km/h) |
| 45 mph (72.42 km/h) | 46.92 mph (75.5 km/h) |
| 50 mph (80.47 km/h) | 52.13 mph (83.89 km/h) |
| 55 mph (88.51 km/h) | 57.34 mph (92.28 km/h) |
| 60 mph (96.56 km/h) | 62.55 mph (100.67 km/h) |
| 65 mph (104.61 km/h) | 67.77 mph (109.06 km/h) |
| 70 mph (112.65 km/h) | 72.98 mph (117.45 km/h) |
| 75 mph (120.7 km/h) | 78.19 mph (125.84 km/h) |
| 80 mph (128.75 km/h) | 83.41 mph (134.23 km/h) |
| 85 mph (136.79 km/h) | 88.62 mph (142.62 km/h) |
| 90 mph (144.84 km/h) | 93.83 mph (151.01 km/h) |
| 95 mph (152.89 km/h) | 99.05 mph (159.4 km/h) |
| 100 mph (160.93 km/h) | 104.26 mph (167.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1969 | 2288 | 2463 | 2572 | 2690 | 2774 | 2866 | 2975 | 3125 | 3276 | 3444 | 3578 | 3821 | 4089 | 4299 | 4433 | 4508 | 4785 | 5170 | 6008 |
Better Fuel Economy Factory Ratios Increased Power
