Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 315/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 34.36 (872.8) | -1.67 (-42.38) -4.6% |
| Width inches (mm) | 12.52 (318) | 12.4 (315) | -0.12 (-3) -0.9% |
| Circum. inches (mm) | 113.19 (2875.12) | 107.95 (2741.98) | -5.24 (-133.14) -4.6% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 8.68 (220.5) | -1.08 (-27.54) -11.1% |
| Revolutions per mile (km) | 559.75 (347.81) | 586.93 (364.7) | 27.18 (16.89) 4.9% |
315/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.07 mph (30.7 km/h) |
| 25 mph (40.23 km/h) | 23.84 mph (38.37 km/h) |
| 30 mph (48.28 km/h) | 28.61 mph (46.04 km/h) |
| 35 mph (56.33 km/h) | 33.38 mph (53.72 km/h) |
| 40 mph (64.37 km/h) | 38.15 mph (61.39 km/h) |
| 45 mph (72.42 km/h) | 42.92 mph (69.07 km/h) |
| 50 mph (80.47 km/h) | 47.68 mph (76.74 km/h) |
| 55 mph (88.51 km/h) | 52.45 mph (84.42 km/h) |
| 60 mph (96.56 km/h) | 57.22 mph (92.09 km/h) |
| 65 mph (104.61 km/h) | 61.99 mph (99.76 km/h) |
| 70 mph (112.65 km/h) | 66.76 mph (107.44 km/h) |
| 75 mph (120.7 km/h) | 71.53 mph (115.11 km/h) |
| 80 mph (128.75 km/h) | 76.3 mph (122.79 km/h) |
| 85 mph (136.79 km/h) | 81.06 mph (130.46 km/h) |
| 90 mph (144.84 km/h) | 85.83 mph (138.13 km/h) |
| 95 mph (152.89 km/h) | 90.6 mph (145.81 km/h) |
| 100 mph (160.93 km/h) | 95.37 mph (153.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1494 | 1735 | 1869 | 1951 | 2040 | 2104 | 2174 | 2256 | 2371 | 2485 | 2612 | 2714 | 2898 | 3102 | 3261 | 3362 | 3419 | 3629 | 3922 | 4557 |
Better Fuel Economy Factory Ratios Increased Power
