Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 26/11-12 | 280/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.06 (661.92) | 27.43 (696.8) | 1.37 (34.88) 5.3% |
| Width inches (mm) | 10.98 (279) | 11.02 (280) | 0.04 (1) 0.4% |
| Circum. inches (mm) | 81.87 (2079.48) | 86.18 (2189.06) | 4.31 (109.58) 5.3% |
| Sidewall Height inches (mm) | 7.03 (178.56) | 7.72 (196) | 0.69 (17.44) 9.8% |
| Revolutions per mile (km) | 773.92 (480.89) | 735.18 (456.82) | -38.74 (-24.07) -5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.05 mph (33.88 km/h) |
| 25 mph (40.23 km/h) | 26.32 mph (42.35 km/h) |
| 30 mph (48.28 km/h) | 31.58 mph (50.82 km/h) |
| 35 mph (56.33 km/h) | 36.84 mph (59.3 km/h) |
| 40 mph (64.37 km/h) | 42.11 mph (67.77 km/h) |
| 45 mph (72.42 km/h) | 47.37 mph (76.24 km/h) |
| 50 mph (80.47 km/h) | 52.63 mph (84.71 km/h) |
| 55 mph (88.51 km/h) | 57.9 mph (93.18 km/h) |
| 60 mph (96.56 km/h) | 63.16 mph (101.65 km/h) |
| 65 mph (104.61 km/h) | 68.43 mph (110.12 km/h) |
| 70 mph (112.65 km/h) | 73.69 mph (118.59 km/h) |
| 75 mph (120.7 km/h) | 78.95 mph (127.06 km/h) |
| 80 mph (128.75 km/h) | 84.22 mph (135.53 km/h) |
| 85 mph (136.79 km/h) | 89.48 mph (144 km/h) |
| 90 mph (144.84 km/h) | 94.74 mph (152.47 km/h) |
| 95 mph (152.89 km/h) | 100.01 mph (160.94 km/h) |
| 100 mph (160.93 km/h) | 105.27 mph (169.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1871 | 2173 | 2341 | 2444 | 2556 | 2635 | 2723 | 2826 | 2970 | 3113 | 3272 | 3399 | 3630 | 3885 | 4084 | 4211 | 4283 | 4546 | 4912 | 5708 |
Better Fuel Economy Factory Ratios Increased Power
