Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-19 | 255/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.02 (762.6) | 29.04 (737.6) | -0.98 (-25) -3.3% |
| Width inches (mm) | 6.89 (175) | 10.04 (255) | 3.15 (80) 45.7% |
| Circum. inches (mm) | 94.32 (2395.78) | 91.23 (2317.24) | -3.09 (-78.54) -3.3% |
| Sidewall Height inches (mm) | 5.51 (140) | 5.02 (127.5) | -0.49 (-12.5) -8.9% |
| Revolutions per mile (km) | 671.74 (417.4) | 694.51 (431.55) | 22.77 (14.15) 3.4% |
255/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.34 mph (31.13 km/h) |
| 25 mph (40.23 km/h) | 24.18 mph (38.91 km/h) |
| 30 mph (48.28 km/h) | 29.02 mph (46.7 km/h) |
| 35 mph (56.33 km/h) | 33.85 mph (54.48 km/h) |
| 40 mph (64.37 km/h) | 38.69 mph (62.26 km/h) |
| 45 mph (72.42 km/h) | 43.52 mph (70.05 km/h) |
| 50 mph (80.47 km/h) | 48.36 mph (77.83 km/h) |
| 55 mph (88.51 km/h) | 53.2 mph (85.61 km/h) |
| 60 mph (96.56 km/h) | 58.03 mph (93.4 km/h) |
| 65 mph (104.61 km/h) | 62.87 mph (101.18 km/h) |
| 70 mph (112.65 km/h) | 67.71 mph (108.96 km/h) |
| 75 mph (120.7 km/h) | 72.54 mph (116.74 km/h) |
| 80 mph (128.75 km/h) | 77.38 mph (124.53 km/h) |
| 85 mph (136.79 km/h) | 82.21 mph (132.31 km/h) |
| 90 mph (144.84 km/h) | 87.05 mph (140.09 km/h) |
| 95 mph (152.89 km/h) | 91.89 mph (147.88 km/h) |
| 100 mph (160.93 km/h) | 96.72 mph (155.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1767 | 2053 | 2211 | 2309 | 2414 | 2489 | 2572 | 2670 | 2805 | 2941 | 3091 | 3211 | 3429 | 3670 | 3858 | 3979 | 4046 | 4294 | 4640 | 5392 |
Better Fuel Economy Factory Ratios Increased Power
