Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/70-12 | 255/60-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.65 (549.8) | 24.05 (610.8) | 2.4 (61) 11.1% |
| Width inches (mm) | 6.89 (175) | 10.04 (255) | 3.15 (80) 45.7% |
| Circum. inches (mm) | 68 (1727.25) | 75.55 (1918.88) | 7.54 (191.64) 11.1% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 6.02 (153) | 1.2 (30.5) 24.9% |
| Revolutions per mile (km) | 931.74 (578.95) | 838.69 (521.14) | -93.05 (-57.82) -10% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.22 mph (35.76 km/h) |
| 25 mph (40.23 km/h) | 27.77 mph (44.7 km/h) |
| 30 mph (48.28 km/h) | 33.33 mph (53.64 km/h) |
| 35 mph (56.33 km/h) | 38.88 mph (62.58 km/h) |
| 40 mph (64.37 km/h) | 44.44 mph (71.52 km/h) |
| 45 mph (72.42 km/h) | 49.99 mph (80.46 km/h) |
| 50 mph (80.47 km/h) | 55.55 mph (89.4 km/h) |
| 55 mph (88.51 km/h) | 61.1 mph (98.33 km/h) |
| 60 mph (96.56 km/h) | 66.66 mph (107.27 km/h) |
| 65 mph (104.61 km/h) | 72.21 mph (116.21 km/h) |
| 70 mph (112.65 km/h) | 77.77 mph (125.15 km/h) |
| 75 mph (120.7 km/h) | 83.32 mph (134.09 km/h) |
| 80 mph (128.75 km/h) | 88.88 mph (143.03 km/h) |
| 85 mph (136.79 km/h) | 94.43 mph (151.97 km/h) |
| 90 mph (144.84 km/h) | 99.99 mph (160.91 km/h) |
| 95 mph (152.89 km/h) | 105.54 mph (169.85 km/h) |
| 100 mph (160.93 km/h) | 111.09 mph (178.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2134 | 2479 | 2670 | 2788 | 2915 | 3006 | 3106 | 3224 | 3388 | 3551 | 3733 | 3878 | 4141 | 4432 | 4659 | 4804 | 4886 | 5186 | 5604 | 6512 |
Better Fuel Economy Factory Ratios Increased Power
