Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 315/60-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 32.88 (835.2) | -3.15 (-79.98) -8.7% |
| Width inches (mm) | 12.52 (318) | 12.4 (315) | -0.12 (-3) -0.9% |
| Circum. inches (mm) | 113.19 (2875.12) | 103.3 (2623.86) | -9.89 (-251.26) -8.7% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 7.44 (189) | -2.32 (-59.04) -23.8% |
| Revolutions per mile (km) | 559.75 (347.81) | 613.35 (381.12) | 53.6 (33.31) 9.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.25 mph (29.37 km/h) |
| 25 mph (40.23 km/h) | 22.82 mph (36.72 km/h) |
| 30 mph (48.28 km/h) | 27.38 mph (44.06 km/h) |
| 35 mph (56.33 km/h) | 31.94 mph (51.4 km/h) |
| 40 mph (64.37 km/h) | 36.5 mph (58.75 km/h) |
| 45 mph (72.42 km/h) | 41.07 mph (66.09 km/h) |
| 50 mph (80.47 km/h) | 45.63 mph (73.44 km/h) |
| 55 mph (88.51 km/h) | 50.19 mph (80.78 km/h) |
| 60 mph (96.56 km/h) | 54.76 mph (88.12 km/h) |
| 65 mph (104.61 km/h) | 59.32 mph (95.47 km/h) |
| 70 mph (112.65 km/h) | 63.88 mph (102.81 km/h) |
| 75 mph (120.7 km/h) | 68.45 mph (110.15 km/h) |
| 80 mph (128.75 km/h) | 73.01 mph (117.5 km/h) |
| 85 mph (136.79 km/h) | 77.57 mph (124.84 km/h) |
| 90 mph (144.84 km/h) | 82.13 mph (132.18 km/h) |
| 95 mph (152.89 km/h) | 86.7 mph (139.53 km/h) |
| 100 mph (160.93 km/h) | 91.26 mph (146.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1561 | 1813 | 1953 | 2039 | 2132 | 2198 | 2272 | 2358 | 2477 | 2597 | 2730 | 2836 | 3029 | 3241 | 3407 | 3514 | 3573 | 3793 | 4098 | 4762 |
Better Fuel Economy Factory Ratios Increased Power
