Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/65-16 | 190/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.21 (640.4) | 24.98 (634.4) | -0.24 (-6) -0.9% |
| Width inches (mm) | 7.09 (180) | 7.48 (190) | 0.39 (10) 5.6% |
| Circum. inches (mm) | 79.21 (2011.88) | 78.47 (1993.03) | -0.74 (-18.85) -0.9% |
| Sidewall Height inches (mm) | 4.61 (117) | 4.49 (114) | -0.12 (-3) -2.6% |
| Revolutions per mile (km) | 799.92 (497.05) | 807.49 (501.75) | 7.57 (4.7) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.89 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.86 km/h) |
| 30 mph (48.28 km/h) | 29.72 mph (47.83 km/h) |
| 35 mph (56.33 km/h) | 34.67 mph (55.8 km/h) |
| 40 mph (64.37 km/h) | 39.63 mph (63.77 km/h) |
| 45 mph (72.42 km/h) | 44.58 mph (71.74 km/h) |
| 50 mph (80.47 km/h) | 49.53 mph (79.71 km/h) |
| 55 mph (88.51 km/h) | 54.48 mph (87.68 km/h) |
| 60 mph (96.56 km/h) | 59.44 mph (95.66 km/h) |
| 65 mph (104.61 km/h) | 64.39 mph (103.63 km/h) |
| 70 mph (112.65 km/h) | 69.34 mph (111.6 km/h) |
| 75 mph (120.7 km/h) | 74.3 mph (119.57 km/h) |
| 80 mph (128.75 km/h) | 79.25 mph (127.54 km/h) |
| 85 mph (136.79 km/h) | 84.2 mph (135.51 km/h) |
| 90 mph (144.84 km/h) | 89.16 mph (143.48 km/h) |
| 95 mph (152.89 km/h) | 94.11 mph (151.46 km/h) |
| 100 mph (160.93 km/h) | 99.06 mph (159.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2055 | 2387 | 2571 | 2684 | 2807 | 2894 | 2991 | 3104 | 3262 | 3419 | 3594 | 3734 | 3987 | 4267 | 4486 | 4626 | 4704 | 4993 | 5395 | 6270 |
Better Fuel Economy Factory Ratios Increased Power
