Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 175/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 26.71 (678.5) | 1.06 (26.9) 4.1% |
| Width inches (mm) | 6.5 (165) | 6.89 (175) | 0.39 (10) 6.1% |
| Circum. inches (mm) | 80.59 (2047.06) | 83.92 (2131.57) | 3.33 (84.51) 4.1% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 5.86 (148.75) | 0.53 (13.45) 9.9% |
| Revolutions per mile (km) | 786.17 (488.5) | 755 (469.14) | -31.17 (-19.37) -4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.83 mph (33.52 km/h) |
| 25 mph (40.23 km/h) | 26.03 mph (41.89 km/h) |
| 30 mph (48.28 km/h) | 31.24 mph (50.27 km/h) |
| 35 mph (56.33 km/h) | 36.44 mph (58.65 km/h) |
| 40 mph (64.37 km/h) | 41.65 mph (67.03 km/h) |
| 45 mph (72.42 km/h) | 46.86 mph (75.41 km/h) |
| 50 mph (80.47 km/h) | 52.06 mph (83.79 km/h) |
| 55 mph (88.51 km/h) | 57.27 mph (92.17 km/h) |
| 60 mph (96.56 km/h) | 62.48 mph (100.55 km/h) |
| 65 mph (104.61 km/h) | 67.68 mph (108.93 km/h) |
| 70 mph (112.65 km/h) | 72.89 mph (117.31 km/h) |
| 75 mph (120.7 km/h) | 78.1 mph (125.68 km/h) |
| 80 mph (128.75 km/h) | 83.3 mph (134.06 km/h) |
| 85 mph (136.79 km/h) | 88.51 mph (142.44 km/h) |
| 90 mph (144.84 km/h) | 93.72 mph (150.82 km/h) |
| 95 mph (152.89 km/h) | 98.92 mph (159.2 km/h) |
| 100 mph (160.93 km/h) | 104.13 mph (167.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1921 | 2232 | 2404 | 2510 | 2624 | 2706 | 2796 | 2902 | 3050 | 3197 | 3360 | 3491 | 3728 | 3990 | 4194 | 4325 | 4399 | 4668 | 5045 | 5862 |
Better Fuel Economy Factory Ratios Increased Power
