Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-16 | 170/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.45 (646.4) | 26.71 (678.4) | 1.26 (32) 5% |
| Width inches (mm) | 5.91 (150) | 6.69 (170) | 0.79 (20) 13.3% |
| Circum. inches (mm) | 79.95 (2030.73) | 83.91 (2131.26) | 3.96 (100.53) 5% |
| Sidewall Height inches (mm) | 4.72 (120) | 5.35 (136) | 0.63 (16) 13.3% |
| Revolutions per mile (km) | 792.5 (492.43) | 755.12 (469.21) | -37.38 (-23.23) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.99 mph (33.78 km/h) |
| 25 mph (40.23 km/h) | 26.24 mph (42.23 km/h) |
| 30 mph (48.28 km/h) | 31.49 mph (50.67 km/h) |
| 35 mph (56.33 km/h) | 36.73 mph (59.12 km/h) |
| 40 mph (64.37 km/h) | 41.98 mph (67.56 km/h) |
| 45 mph (72.42 km/h) | 47.23 mph (76.01 km/h) |
| 50 mph (80.47 km/h) | 52.48 mph (84.45 km/h) |
| 55 mph (88.51 km/h) | 57.72 mph (92.9 km/h) |
| 60 mph (96.56 km/h) | 62.97 mph (101.34 km/h) |
| 65 mph (104.61 km/h) | 68.22 mph (109.79 km/h) |
| 70 mph (112.65 km/h) | 73.47 mph (118.23 km/h) |
| 75 mph (120.7 km/h) | 78.71 mph (126.68 km/h) |
| 80 mph (128.75 km/h) | 83.96 mph (135.12 km/h) |
| 85 mph (136.79 km/h) | 89.21 mph (143.57 km/h) |
| 90 mph (144.84 km/h) | 94.46 mph (152.01 km/h) |
| 95 mph (152.89 km/h) | 99.7 mph (160.46 km/h) |
| 100 mph (160.93 km/h) | 104.95 mph (168.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1922 | 2232 | 2404 | 2510 | 2625 | 2707 | 2797 | 2903 | 3050 | 3197 | 3361 | 3492 | 3729 | 3990 | 4195 | 4326 | 4399 | 4669 | 5045 | 5863 |
Better Fuel Economy Factory Ratios Increased Power
