Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/70-16 | 170/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 24.03 (610.4) | -1.34 (-34) -5.3% |
| Width inches (mm) | 6.69 (170) | 6.69 (170) | 0 (0) 0% |
| Circum. inches (mm) | 79.7 (2024.44) | 75.5 (1917.63) | -4.21 (-106.81) -5.3% |
| Sidewall Height inches (mm) | 4.69 (119) | 4.02 (102) | -0.67 (-17) -14.3% |
| Revolutions per mile (km) | 794.96 (493.96) | 839.24 (521.48) | 44.28 (27.51) 5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.94 mph (30.49 km/h) |
| 25 mph (40.23 km/h) | 23.68 mph (38.11 km/h) |
| 30 mph (48.28 km/h) | 28.42 mph (45.73 km/h) |
| 35 mph (56.33 km/h) | 33.15 mph (53.36 km/h) |
| 40 mph (64.37 km/h) | 37.89 mph (60.98 km/h) |
| 45 mph (72.42 km/h) | 42.63 mph (68.6 km/h) |
| 50 mph (80.47 km/h) | 47.36 mph (76.22 km/h) |
| 55 mph (88.51 km/h) | 52.1 mph (83.84 km/h) |
| 60 mph (96.56 km/h) | 56.83 mph (91.47 km/h) |
| 65 mph (104.61 km/h) | 61.57 mph (99.09 km/h) |
| 70 mph (112.65 km/h) | 66.31 mph (106.71 km/h) |
| 75 mph (120.7 km/h) | 71.04 mph (114.33 km/h) |
| 80 mph (128.75 km/h) | 75.78 mph (121.95 km/h) |
| 85 mph (136.79 km/h) | 80.52 mph (129.58 km/h) |
| 90 mph (144.84 km/h) | 85.25 mph (137.2 km/h) |
| 95 mph (152.89 km/h) | 89.99 mph (144.82 km/h) |
| 100 mph (160.93 km/h) | 94.72 mph (152.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2136 | 2481 | 2672 | 2790 | 2917 | 3008 | 3108 | 3226 | 3390 | 3553 | 3735 | 3881 | 4144 | 4435 | 4662 | 4808 | 4889 | 5189 | 5607 | 6516 |
Better Fuel Economy Factory Ratios Increased Power
