Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/80-16 | 190/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.71 (678.4) | 24.98 (634.4) | -1.73 (-44) -6.5% |
| Width inches (mm) | 6.69 (170) | 7.48 (190) | 0.79 (20) 11.8% |
| Circum. inches (mm) | 83.91 (2131.26) | 78.47 (1993.03) | -5.44 (-138.23) -6.5% |
| Sidewall Height inches (mm) | 5.35 (136) | 4.49 (114) | -0.87 (-22) -16.2% |
| Revolutions per mile (km) | 755.12 (469.21) | 807.49 (501.75) | 52.37 (32.54) 6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.7 mph (30.1 km/h) |
| 25 mph (40.23 km/h) | 23.38 mph (37.62 km/h) |
| 30 mph (48.28 km/h) | 28.05 mph (45.15 km/h) |
| 35 mph (56.33 km/h) | 32.73 mph (52.67 km/h) |
| 40 mph (64.37 km/h) | 37.41 mph (60.2 km/h) |
| 45 mph (72.42 km/h) | 42.08 mph (67.72 km/h) |
| 50 mph (80.47 km/h) | 46.76 mph (75.25 km/h) |
| 55 mph (88.51 km/h) | 51.43 mph (82.77 km/h) |
| 60 mph (96.56 km/h) | 56.11 mph (90.3 km/h) |
| 65 mph (104.61 km/h) | 60.78 mph (97.82 km/h) |
| 70 mph (112.65 km/h) | 65.46 mph (105.35 km/h) |
| 75 mph (120.7 km/h) | 70.14 mph (112.87 km/h) |
| 80 mph (128.75 km/h) | 74.81 mph (120.4 km/h) |
| 85 mph (136.79 km/h) | 79.49 mph (127.92 km/h) |
| 90 mph (144.84 km/h) | 84.16 mph (135.45 km/h) |
| 95 mph (152.89 km/h) | 88.84 mph (142.97 km/h) |
| 100 mph (160.93 km/h) | 93.51 mph (150.5 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
