Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-16 | 150/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.45 (646.4) | 26.04 (661.4) | 0.59 (15) 2.3% |
| Width inches (mm) | 5.91 (150) | 5.91 (150) | 0 (0) 0% |
| Circum. inches (mm) | 79.95 (2030.73) | 81.81 (2077.85) | 1.86 (47.12) 2.3% |
| Sidewall Height inches (mm) | 4.72 (120) | 5.02 (127.5) | 0.3 (7.5) 6.2% |
| Revolutions per mile (km) | 792.5 (492.43) | 774.52 (481.27) | -17.97 (-11.17) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.46 mph (32.93 km/h) |
| 25 mph (40.23 km/h) | 25.58 mph (41.17 km/h) |
| 30 mph (48.28 km/h) | 30.7 mph (49.4 km/h) |
| 35 mph (56.33 km/h) | 35.81 mph (57.63 km/h) |
| 40 mph (64.37 km/h) | 40.93 mph (65.87 km/h) |
| 45 mph (72.42 km/h) | 46.04 mph (74.1 km/h) |
| 50 mph (80.47 km/h) | 51.16 mph (82.33 km/h) |
| 55 mph (88.51 km/h) | 56.28 mph (90.57 km/h) |
| 60 mph (96.56 km/h) | 61.39 mph (98.8 km/h) |
| 65 mph (104.61 km/h) | 66.51 mph (107.04 km/h) |
| 70 mph (112.65 km/h) | 71.62 mph (115.27 km/h) |
| 75 mph (120.7 km/h) | 76.74 mph (123.5 km/h) |
| 80 mph (128.75 km/h) | 81.86 mph (131.74 km/h) |
| 85 mph (136.79 km/h) | 86.97 mph (139.97 km/h) |
| 90 mph (144.84 km/h) | 92.09 mph (148.2 km/h) |
| 95 mph (152.89 km/h) | 97.2 mph (156.44 km/h) |
| 100 mph (160.93 km/h) | 102.32 mph (164.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | 2290 | 2466 | 2575 | 2692 | 2776 | 2868 | 2977 | 3128 | 3279 | 3447 | 3581 | 3825 | 4093 | 4303 | 4437 | 4512 | 4789 | 5175 | 6014 |
Better Fuel Economy Factory Ratios Increased Power
