Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-26 | 255/30-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.2 (843.4) | 32.02 (813.4) | -1.18 (-30) -3.6% |
| Width inches (mm) | 12.01 (305) | 10.04 (255) | -1.97 (-50) -16.4% |
| Circum. inches (mm) | 104.32 (2649.62) | 100.61 (2555.37) | -3.71 (-94.25) -3.6% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 3.01 (76.5) | -0.59 (-15) -16.4% |
| Revolutions per mile (km) | 607.39 (377.41) | 629.79 (391.33) | 22.4 (13.92) 3.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.29 mph (31.04 km/h) |
| 25 mph (40.23 km/h) | 24.11 mph (38.8 km/h) |
| 30 mph (48.28 km/h) | 28.93 mph (46.56 km/h) |
| 35 mph (56.33 km/h) | 33.76 mph (54.32 km/h) |
| 40 mph (64.37 km/h) | 38.58 mph (62.08 km/h) |
| 45 mph (72.42 km/h) | 43.4 mph (69.84 km/h) |
| 50 mph (80.47 km/h) | 48.22 mph (77.61 km/h) |
| 55 mph (88.51 km/h) | 53.04 mph (85.37 km/h) |
| 60 mph (96.56 km/h) | 57.87 mph (93.13 km/h) |
| 65 mph (104.61 km/h) | 62.69 mph (100.89 km/h) |
| 70 mph (112.65 km/h) | 67.51 mph (108.65 km/h) |
| 75 mph (120.7 km/h) | 72.33 mph (116.41 km/h) |
| 80 mph (128.75 km/h) | 77.15 mph (124.17 km/h) |
| 85 mph (136.79 km/h) | 81.98 mph (131.93 km/h) |
| 90 mph (144.84 km/h) | 86.8 mph (139.69 km/h) |
| 95 mph (152.89 km/h) | 91.62 mph (147.45 km/h) |
| 100 mph (160.93 km/h) | 96.44 mph (155.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1862 | 2005 | 2094 | 2189 | 2257 | 2332 | 2421 | 2544 | 2667 | 2803 | 2912 | 3110 | 3328 | 3499 | 3608 | 3669 | 3894 | 4208 | 4890 |
Better Fuel Economy Factory Ratios Increased Power
