Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/40-26 | 35/12.5-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.92 (912.4) | 35.02 (889.44) | -0.9 (-22.96) -2.5% |
| Width inches (mm) | 12.4 (315) | 12.52 (318) | 0.12 (3) 1% |
| Circum. inches (mm) | 112.85 (2866.39) | 110.01 (2794.26) | -2.84 (-72.13) -2.5% |
| Sidewall Height inches (mm) | 4.96 (126) | 5.51 (139.92) | 0.55 (13.92) 11% |
| Revolutions per mile (km) | 561.45 (348.87) | 575.95 (357.88) | 14.49 (9.01) 2.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.5 mph (31.38 km/h) |
| 25 mph (40.23 km/h) | 24.37 mph (39.22 km/h) |
| 30 mph (48.28 km/h) | 29.25 mph (47.07 km/h) |
| 35 mph (56.33 km/h) | 34.12 mph (54.91 km/h) |
| 40 mph (64.37 km/h) | 38.99 mph (62.75 km/h) |
| 45 mph (72.42 km/h) | 43.87 mph (70.6 km/h) |
| 50 mph (80.47 km/h) | 48.74 mph (78.44 km/h) |
| 55 mph (88.51 km/h) | 53.62 mph (86.29 km/h) |
| 60 mph (96.56 km/h) | 58.49 mph (94.13 km/h) |
| 65 mph (104.61 km/h) | 63.36 mph (101.98 km/h) |
| 70 mph (112.65 km/h) | 68.24 mph (109.82 km/h) |
| 75 mph (120.7 km/h) | 73.11 mph (117.66 km/h) |
| 80 mph (128.75 km/h) | 77.99 mph (125.51 km/h) |
| 85 mph (136.79 km/h) | 82.86 mph (133.35 km/h) |
| 90 mph (144.84 km/h) | 87.74 mph (141.2 km/h) |
| 95 mph (152.89 km/h) | 92.61 mph (149.04 km/h) |
| 100 mph (160.93 km/h) | 97.48 mph (156.88 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1466 | 1703 | 1834 | 1915 | 2002 | 2064 | 2133 | 2214 | 2326 | 2439 | 2563 | 2663 | 2844 | 3044 | 3200 | 3299 | 3355 | 3561 | 3848 | 4472 |
Better Fuel Economy Factory Ratios Increased Power
