Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/70-16 | 190/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 24.98 (634.4) | -0.39 (-10) -1.6% |
| Width inches (mm) | 6.69 (170) | 7.48 (190) | 0.79 (20) 11.8% |
| Circum. inches (mm) | 79.7 (2024.44) | 78.47 (1993.03) | -1.24 (-31.42) -1.6% |
| Sidewall Height inches (mm) | 4.69 (119) | 4.49 (114) | -0.2 (-5) -4.2% |
| Revolutions per mile (km) | 794.96 (493.96) | 807.49 (501.75) | 12.53 (7.79) 1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.69 mph (31.69 km/h) |
| 25 mph (40.23 km/h) | 24.61 mph (39.61 km/h) |
| 30 mph (48.28 km/h) | 29.53 mph (47.53 km/h) |
| 35 mph (56.33 km/h) | 34.46 mph (55.45 km/h) |
| 40 mph (64.37 km/h) | 39.38 mph (63.37 km/h) |
| 45 mph (72.42 km/h) | 44.3 mph (71.3 km/h) |
| 50 mph (80.47 km/h) | 49.22 mph (79.22 km/h) |
| 55 mph (88.51 km/h) | 54.15 mph (87.14 km/h) |
| 60 mph (96.56 km/h) | 59.07 mph (95.06 km/h) |
| 65 mph (104.61 km/h) | 63.99 mph (102.98 km/h) |
| 70 mph (112.65 km/h) | 68.91 mph (110.91 km/h) |
| 75 mph (120.7 km/h) | 73.84 mph (118.83 km/h) |
| 80 mph (128.75 km/h) | 78.76 mph (126.75 km/h) |
| 85 mph (136.79 km/h) | 83.68 mph (134.67 km/h) |
| 90 mph (144.84 km/h) | 88.6 mph (142.59 km/h) |
| 95 mph (152.89 km/h) | 93.53 mph (150.52 km/h) |
| 100 mph (160.93 km/h) | 98.45 mph (158.44 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
