Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-17 | 170/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.45 (671.8) | 27.71 (703.8) | 1.26 (32) 4.8% |
| Width inches (mm) | 5.91 (150) | 6.69 (170) | 0.79 (20) 13.3% |
| Circum. inches (mm) | 83.09 (2110.52) | 87.05 (2211.05) | 3.96 (100.53) 4.8% |
| Sidewall Height inches (mm) | 4.72 (120) | 5.35 (136) | 0.63 (16) 13.3% |
| Revolutions per mile (km) | 762.53 (473.82) | 727.86 (452.27) | -34.67 (-21.54) -4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.95 mph (33.72 km/h) |
| 25 mph (40.23 km/h) | 26.19 mph (42.15 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.58 km/h) |
| 35 mph (56.33 km/h) | 36.67 mph (59.01 km/h) |
| 40 mph (64.37 km/h) | 41.91 mph (67.44 km/h) |
| 45 mph (72.42 km/h) | 47.14 mph (75.87 km/h) |
| 50 mph (80.47 km/h) | 52.38 mph (84.3 km/h) |
| 55 mph (88.51 km/h) | 57.62 mph (92.73 km/h) |
| 60 mph (96.56 km/h) | 62.86 mph (101.16 km/h) |
| 65 mph (104.61 km/h) | 68.1 mph (109.59 km/h) |
| 70 mph (112.65 km/h) | 73.33 mph (118.02 km/h) |
| 75 mph (120.7 km/h) | 78.57 mph (126.45 km/h) |
| 80 mph (128.75 km/h) | 83.81 mph (134.88 km/h) |
| 85 mph (136.79 km/h) | 89.05 mph (143.31 km/h) |
| 90 mph (144.84 km/h) | 94.29 mph (151.74 km/h) |
| 95 mph (152.89 km/h) | 99.53 mph (160.17 km/h) |
| 100 mph (160.93 km/h) | 104.76 mph (168.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1852 | 2152 | 2317 | 2420 | 2530 | 2609 | 2696 | 2798 | 2940 | 3082 | 3240 | 3366 | 3594 | 3846 | 4043 | 4170 | 4241 | 4501 | 4863 | 5651 |
Better Fuel Economy Factory Ratios Increased Power
