Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-16 | 170/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.45 (646.4) | 25.37 (644.4) | -0.08 (-2) -0.3% |
| Width inches (mm) | 5.91 (150) | 6.69 (170) | 0.79 (20) 13.3% |
| Circum. inches (mm) | 79.95 (2030.73) | 79.7 (2024.44) | -0.25 (-6.28) -0.3% |
| Sidewall Height inches (mm) | 4.72 (120) | 4.69 (119) | -0.04 (-1) -0.8% |
| Revolutions per mile (km) | 792.5 (492.43) | 794.96 (493.96) | 2.46 (1.53) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
| 25 mph (40.23 km/h) | 24.92 mph (40.11 km/h) |
| 30 mph (48.28 km/h) | 29.91 mph (48.13 km/h) |
| 35 mph (56.33 km/h) | 34.89 mph (56.15 km/h) |
| 40 mph (64.37 km/h) | 39.88 mph (64.17 km/h) |
| 45 mph (72.42 km/h) | 44.86 mph (72.2 km/h) |
| 50 mph (80.47 km/h) | 49.85 mph (80.22 km/h) |
| 55 mph (88.51 km/h) | 54.83 mph (88.24 km/h) |
| 60 mph (96.56 km/h) | 59.81 mph (96.26 km/h) |
| 65 mph (104.61 km/h) | 64.8 mph (104.28 km/h) |
| 70 mph (112.65 km/h) | 69.78 mph (112.31 km/h) |
| 75 mph (120.7 km/h) | 74.77 mph (120.33 km/h) |
| 80 mph (128.75 km/h) | 79.75 mph (128.35 km/h) |
| 85 mph (136.79 km/h) | 84.74 mph (136.37 km/h) |
| 90 mph (144.84 km/h) | 89.72 mph (144.39 km/h) |
| 95 mph (152.89 km/h) | 94.71 mph (152.41 km/h) |
| 100 mph (160.93 km/h) | 99.69 mph (160.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 2350 | 2531 | 2643 | 2763 | 2849 | 2944 | 3056 | 3211 | 3366 | 3538 | 3676 | 3926 | 4201 | 4416 | 4554 | 4631 | 4915 | 5311 | 6172 |
Better Fuel Economy Factory Ratios Increased Power
