Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 24/8-12 | 185/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.99 (609.3) | 22.2 (563.8) | -1.79 (-45.5) -7.5% |
| Width inches (mm) | 7.99 (203) | 7.28 (185) | -0.71 (-18) -8.9% |
| Circum. inches (mm) | 75.36 (1914.17) | 69.73 (1771.23) | -5.63 (-142.94) -7.5% |
| Sidewall Height inches (mm) | 5.99 (152.25) | 5.1 (129.5) | -0.9 (-22.75) -14.9% |
| Revolutions per mile (km) | 840.75 (522.42) | 908.6 (564.58) | 67.85 (42.16) 8.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.51 mph (29.78 km/h) |
| 25 mph (40.23 km/h) | 23.13 mph (37.23 km/h) |
| 30 mph (48.28 km/h) | 27.76 mph (44.68 km/h) |
| 35 mph (56.33 km/h) | 32.39 mph (52.12 km/h) |
| 40 mph (64.37 km/h) | 37.01 mph (59.57 km/h) |
| 45 mph (72.42 km/h) | 41.64 mph (67.01 km/h) |
| 50 mph (80.47 km/h) | 46.27 mph (74.46 km/h) |
| 55 mph (88.51 km/h) | 50.89 mph (81.9 km/h) |
| 60 mph (96.56 km/h) | 55.52 mph (89.35 km/h) |
| 65 mph (104.61 km/h) | 60.15 mph (96.8 km/h) |
| 70 mph (112.65 km/h) | 64.77 mph (104.24 km/h) |
| 75 mph (120.7 km/h) | 69.4 mph (111.69 km/h) |
| 80 mph (128.75 km/h) | 74.03 mph (119.13 km/h) |
| 85 mph (136.79 km/h) | 78.65 mph (126.58 km/h) |
| 90 mph (144.84 km/h) | 83.28 mph (134.03 km/h) |
| 95 mph (152.89 km/h) | 87.91 mph (141.47 km/h) |
| 100 mph (160.93 km/h) | 92.53 mph (148.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2312 | 2686 | 2893 | 3021 | 3158 | 3257 | 3365 | 3493 | 3670 | 3847 | 4044 | 4201 | 4487 | 4802 | 5048 | 5205 | 5294 | 5618 | 6071 | 7055 |
Better Fuel Economy Factory Ratios Increased Power
