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 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 32.81 (833.4) | -3.22 (-81.78) -8.9% |
| Width inches (mm) | 12.52 (318) | 12.01 (305) | -0.51 (-13) -4.1% |
| Circum. inches (mm) | 113.19 (2875.12) | 103.08 (2618.2) | -10.11 (-256.92) -8.9% |
| 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) | 614.67 (381.94) | 54.93 (34.13) 9.8% |
305/70-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.21 mph (29.31 km/h) |
| 25 mph (40.23 km/h) | 22.77 mph (36.64 km/h) |
| 30 mph (48.28 km/h) | 27.32 mph (43.97 km/h) |
| 35 mph (56.33 km/h) | 31.87 mph (51.29 km/h) |
| 40 mph (64.37 km/h) | 36.43 mph (58.62 km/h) |
| 45 mph (72.42 km/h) | 40.98 mph (65.95 km/h) |
| 50 mph (80.47 km/h) | 45.53 mph (73.28 km/h) |
| 55 mph (88.51 km/h) | 50.09 mph (80.6 km/h) |
| 60 mph (96.56 km/h) | 54.64 mph (87.93 km/h) |
| 65 mph (104.61 km/h) | 59.19 mph (95.26 km/h) |
| 70 mph (112.65 km/h) | 63.74 mph (102.59 km/h) |
| 75 mph (120.7 km/h) | 68.3 mph (109.92 km/h) |
| 80 mph (128.75 km/h) | 72.85 mph (117.24 km/h) |
| 85 mph (136.79 km/h) | 77.4 mph (124.57 km/h) |
| 90 mph (144.84 km/h) | 81.96 mph (131.9 km/h) |
| 95 mph (152.89 km/h) | 86.51 mph (139.23 km/h) |
| 100 mph (160.93 km/h) | 91.06 mph (146.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1564 | 1817 | 1957 | 2043 | 2137 | 2203 | 2276 | 2363 | 2483 | 2603 | 2736 | 2842 | 3035 | 3248 | 3415 | 3521 | 3581 | 3801 | 4107 | 4773 |
Better Fuel Economy Factory Ratios Increased Power
