Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-26 | 315/25-26 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.2 (843.4) | 32.2 (817.9) | -1 (-25.5) -3% |
| Width inches (mm) | 12.01 (305) | 12.4 (315) | 0.39 (10) 3.3% |
| Circum. inches (mm) | 104.32 (2649.62) | 101.16 (2569.51) | -3.15 (-80.11) -3% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 3.1 (78.75) | -0.5 (-12.75) -13.9% |
| Revolutions per mile (km) | 607.39 (377.41) | 626.32 (389.18) | 18.94 (11.77) 3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.4 mph (31.21 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39.02 km/h) |
| 30 mph (48.28 km/h) | 29.09 mph (46.82 km/h) |
| 35 mph (56.33 km/h) | 33.94 mph (54.62 km/h) |
| 40 mph (64.37 km/h) | 38.79 mph (62.43 km/h) |
| 45 mph (72.42 km/h) | 43.64 mph (70.23 km/h) |
| 50 mph (80.47 km/h) | 48.49 mph (78.03 km/h) |
| 55 mph (88.51 km/h) | 53.34 mph (85.84 km/h) |
| 60 mph (96.56 km/h) | 58.19 mph (93.64 km/h) |
| 65 mph (104.61 km/h) | 63.03 mph (101.44 km/h) |
| 70 mph (112.65 km/h) | 67.88 mph (109.25 km/h) |
| 75 mph (120.7 km/h) | 72.73 mph (117.05 km/h) |
| 80 mph (128.75 km/h) | 77.58 mph (124.86 km/h) |
| 85 mph (136.79 km/h) | 82.43 mph (132.66 km/h) |
| 90 mph (144.84 km/h) | 87.28 mph (140.46 km/h) |
| 95 mph (152.89 km/h) | 92.13 mph (148.27 km/h) |
| 100 mph (160.93 km/h) | 96.98 mph (156.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1594 | 1852 | 1994 | 2082 | 2177 | 2245 | 2320 | 2408 | 2530 | 2652 | 2788 | 2896 | 3093 | 3310 | 3479 | 3588 | 3649 | 3873 | 4185 | 4863 |
Better Fuel Economy Factory Ratios Increased Power
