Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-19 | 175/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.02 (762.6) | 31.4 (797.6) | 1.38 (35) 4.6% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 94.32 (2395.78) | 98.65 (2505.73) | 4.33 (109.96) 4.6% |
| Sidewall Height inches (mm) | 5.51 (140) | 6.2 (157.5) | 0.69 (17.5) 12.5% |
| Revolutions per mile (km) | 671.74 (417.4) | 642.26 (399.08) | -29.48 (-18.32) -4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.92 mph (33.66 km/h) |
| 25 mph (40.23 km/h) | 26.15 mph (42.08 km/h) |
| 30 mph (48.28 km/h) | 31.38 mph (50.5 km/h) |
| 35 mph (56.33 km/h) | 36.61 mph (58.91 km/h) |
| 40 mph (64.37 km/h) | 41.84 mph (67.33 km/h) |
| 45 mph (72.42 km/h) | 47.07 mph (75.74 km/h) |
| 50 mph (80.47 km/h) | 52.29 mph (84.16 km/h) |
| 55 mph (88.51 km/h) | 57.52 mph (92.58 km/h) |
| 60 mph (96.56 km/h) | 62.75 mph (100.99 km/h) |
| 65 mph (104.61 km/h) | 67.98 mph (109.41 km/h) |
| 70 mph (112.65 km/h) | 73.21 mph (117.82 km/h) |
| 75 mph (120.7 km/h) | 78.44 mph (126.24 km/h) |
| 80 mph (128.75 km/h) | 83.67 mph (134.66 km/h) |
| 85 mph (136.79 km/h) | 88.9 mph (143.07 km/h) |
| 90 mph (144.84 km/h) | 94.13 mph (151.49 km/h) |
| 95 mph (152.89 km/h) | 99.36 mph (159.9 km/h) |
| 100 mph (160.93 km/h) | 104.59 mph (168.32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1634 | 1899 | 2045 | 2135 | 2233 | 2302 | 2379 | 2469 | 2594 | 2719 | 2859 | 2970 | 3172 | 3394 | 3568 | 3679 | 3742 | 3971 | 4291 | 4987 |
Better Fuel Economy Factory Ratios Increased Power
