Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 90/90-19 | 100/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.38 (644.6) | 24.09 (611.8) | -1.29 (-32.8) -5.1% |
| Width inches (mm) | 3.54 (90) | 3.94 (100) | 0.39 (10) 11.1% |
| Circum. inches (mm) | 79.73 (2025.07) | 75.67 (1922.03) | -4.06 (-103.04) -5.1% |
| Sidewall Height inches (mm) | 3.19 (81) | 3.54 (90) | 0.35 (9) 11.1% |
| Revolutions per mile (km) | 794.71 (493.81) | 837.32 (520.28) | 42.61 (26.47) 5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.98 mph (30.55 km/h) |
| 25 mph (40.23 km/h) | 23.73 mph (38.19 km/h) |
| 30 mph (48.28 km/h) | 28.47 mph (45.82 km/h) |
| 35 mph (56.33 km/h) | 33.22 mph (53.46 km/h) |
| 40 mph (64.37 km/h) | 37.96 mph (61.1 km/h) |
| 45 mph (72.42 km/h) | 42.71 mph (68.74 km/h) |
| 50 mph (80.47 km/h) | 47.46 mph (76.37 km/h) |
| 55 mph (88.51 km/h) | 52.2 mph (84.01 km/h) |
| 60 mph (96.56 km/h) | 56.95 mph (91.65 km/h) |
| 65 mph (104.61 km/h) | 61.69 mph (99.28 km/h) |
| 70 mph (112.65 km/h) | 66.44 mph (106.92 km/h) |
| 75 mph (120.7 km/h) | 71.18 mph (114.56 km/h) |
| 80 mph (128.75 km/h) | 75.93 mph (122.2 km/h) |
| 85 mph (136.79 km/h) | 80.67 mph (129.83 km/h) |
| 90 mph (144.84 km/h) | 85.42 mph (137.47 km/h) |
| 95 mph (152.89 km/h) | 90.17 mph (145.11 km/h) |
| 100 mph (160.93 km/h) | 94.91 mph (152.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2131 | 2475 | 2666 | 2784 | 2911 | 3001 | 3101 | 3219 | 3382 | 3545 | 3727 | 3872 | 4135 | 4425 | 4652 | 4797 | 4878 | 5177 | 5595 | 6501 |
Better Fuel Economy Factory Ratios Increased Power
