Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-19 | 32/12.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.83 (757.6) | 32.02 (813.28) | 2.19 (55.68) 7.3% |
| Width inches (mm) | 10.83 (275) | 12.52 (318) | 1.69 (43) 15.6% |
| Circum. inches (mm) | 93.7 (2380.07) | 100.59 (2554.99) | 6.89 (174.92) 7.3% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 6.01 (152.64) | 0.6 (15.14) 11% |
| Revolutions per mile (km) | 676.17 (420.15) | 629.88 (391.39) | -46.29 (-28.77) -6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.47 mph (34.55 km/h) |
| 25 mph (40.23 km/h) | 26.84 mph (43.19 km/h) |
| 30 mph (48.28 km/h) | 32.2 mph (51.83 km/h) |
| 35 mph (56.33 km/h) | 37.57 mph (60.47 km/h) |
| 40 mph (64.37 km/h) | 42.94 mph (69.11 km/h) |
| 45 mph (72.42 km/h) | 48.31 mph (77.74 km/h) |
| 50 mph (80.47 km/h) | 53.67 mph (86.38 km/h) |
| 55 mph (88.51 km/h) | 59.04 mph (95.02 km/h) |
| 60 mph (96.56 km/h) | 64.41 mph (103.66 km/h) |
| 65 mph (104.61 km/h) | 69.78 mph (112.3 km/h) |
| 70 mph (112.65 km/h) | 75.14 mph (120.93 km/h) |
| 75 mph (120.7 km/h) | 80.51 mph (129.57 km/h) |
| 80 mph (128.75 km/h) | 85.88 mph (138.21 km/h) |
| 85 mph (136.79 km/h) | 91.25 mph (146.85 km/h) |
| 90 mph (144.84 km/h) | 96.61 mph (155.49 km/h) |
| 95 mph (152.89 km/h) | 101.98 mph (164.12 km/h) |
| 100 mph (160.93 km/h) | 107.35 mph (172.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1862 | 2005 | 2094 | 2190 | 2258 | 2333 | 2421 | 2544 | 2667 | 2803 | 2913 | 3110 | 3329 | 3499 | 3608 | 3670 | 3895 | 4209 | 4891 |
Better Fuel Economy Factory Ratios Increased Power
