Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 305/70-16.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 33.31 (846.1) | -2.72 (-69.08) -7.5% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 113.19 (2875.12) | 104.65 (2658.1) | -8.54 (-217.02) -7.5% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 8.41 (213.5) | -1.36 (-34.54) -13.9% |
| Revolutions per mile (km) | 559.75 (347.81) | 605.45 (376.21) | 45.7 (28.4) 8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.49 mph (29.76 km/h) |
| 25 mph (40.23 km/h) | 23.11 mph (37.2 km/h) |
| 30 mph (48.28 km/h) | 27.74 mph (44.64 km/h) |
| 35 mph (56.33 km/h) | 32.36 mph (52.08 km/h) |
| 40 mph (64.37 km/h) | 36.98 mph (59.51 km/h) |
| 45 mph (72.42 km/h) | 41.6 mph (66.95 km/h) |
| 50 mph (80.47 km/h) | 46.23 mph (74.39 km/h) |
| 55 mph (88.51 km/h) | 50.85 mph (81.83 km/h) |
| 60 mph (96.56 km/h) | 55.47 mph (89.27 km/h) |
| 65 mph (104.61 km/h) | 60.09 mph (96.71 km/h) |
| 70 mph (112.65 km/h) | 64.72 mph (104.15 km/h) |
| 75 mph (120.7 km/h) | 69.34 mph (111.59 km/h) |
| 80 mph (128.75 km/h) | 73.96 mph (119.03 km/h) |
| 85 mph (136.79 km/h) | 78.58 mph (126.47 km/h) |
| 90 mph (144.84 km/h) | 83.21 mph (133.91 km/h) |
| 95 mph (152.89 km/h) | 87.83 mph (141.35 km/h) |
| 100 mph (160.93 km/h) | 92.45 mph (148.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1541 | 1790 | 1928 | 2013 | 2105 | 2170 | 2242 | 2328 | 2446 | 2564 | 2695 | 2800 | 2990 | 3200 | 3363 | 3468 | 3527 | 3744 | 4045 | 4701 |
Better Fuel Economy Factory Ratios Increased Power
