Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-19 | 235/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.02 (762.6) | 29.18 (741.1) | -0.85 (-21.5) -2.8% |
| Width inches (mm) | 6.89 (175) | 9.25 (235) | 2.36 (60) 34.3% |
| Circum. inches (mm) | 94.32 (2395.78) | 91.66 (2328.23) | -2.66 (-67.54) -2.8% |
| Sidewall Height inches (mm) | 5.51 (140) | 5.09 (129.25) | -0.42 (-10.75) -7.7% |
| Revolutions per mile (km) | 671.74 (417.4) | 691.23 (429.51) | 19.49 (12.11) 2.9% |
235/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.44 mph (31.28 km/h) |
| 25 mph (40.23 km/h) | 24.3 mph (39.1 km/h) |
| 30 mph (48.28 km/h) | 29.15 mph (46.92 km/h) |
| 35 mph (56.33 km/h) | 34.01 mph (54.74 km/h) |
| 40 mph (64.37 km/h) | 38.87 mph (62.56 km/h) |
| 45 mph (72.42 km/h) | 43.73 mph (70.38 km/h) |
| 50 mph (80.47 km/h) | 48.59 mph (78.2 km/h) |
| 55 mph (88.51 km/h) | 53.45 mph (86.02 km/h) |
| 60 mph (96.56 km/h) | 58.31 mph (93.84 km/h) |
| 65 mph (104.61 km/h) | 63.17 mph (101.66 km/h) |
| 70 mph (112.65 km/h) | 68.03 mph (109.48 km/h) |
| 75 mph (120.7 km/h) | 72.89 mph (117.3 km/h) |
| 80 mph (128.75 km/h) | 77.74 mph (125.12 km/h) |
| 85 mph (136.79 km/h) | 82.6 mph (132.94 km/h) |
| 90 mph (144.84 km/h) | 87.46 mph (140.76 km/h) |
| 95 mph (152.89 km/h) | 92.32 mph (148.58 km/h) |
| 100 mph (160.93 km/h) | 97.18 mph (156.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1759 | 2043 | 2201 | 2298 | 2403 | 2478 | 2560 | 2657 | 2792 | 2927 | 3076 | 3196 | 3413 | 3653 | 3840 | 3960 | 4027 | 4274 | 4618 | 5367 |
Better Fuel Economy Factory Ratios Increased Power
