Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/90-21 | 130/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.09 (713.4) | 25.21 (640.4) | -2.87 (-73) -10.2% |
| Width inches (mm) | 3.94 (100) | 5.12 (130) | 1.18 (30) 30% |
| Circum. inches (mm) | 88.24 (2241.21) | 79.21 (2011.88) | -9.03 (-229.34) -10.2% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.61 (117) | 1.06 (27) 30% |
| Revolutions per mile (km) | 718.07 (446.19) | 799.92 (497.05) | 81.85 (50.86) 11.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.95 mph (28.89 km/h) |
| 25 mph (40.23 km/h) | 22.44 mph (36.12 km/h) |
| 30 mph (48.28 km/h) | 26.93 mph (43.34 km/h) |
| 35 mph (56.33 km/h) | 31.42 mph (50.56 km/h) |
| 40 mph (64.37 km/h) | 35.91 mph (57.79 km/h) |
| 45 mph (72.42 km/h) | 40.4 mph (65.01 km/h) |
| 50 mph (80.47 km/h) | 44.88 mph (72.23 km/h) |
| 55 mph (88.51 km/h) | 49.37 mph (79.46 km/h) |
| 60 mph (96.56 km/h) | 53.86 mph (86.68 km/h) |
| 65 mph (104.61 km/h) | 58.35 mph (93.9 km/h) |
| 70 mph (112.65 km/h) | 62.84 mph (101.13 km/h) |
| 75 mph (120.7 km/h) | 67.33 mph (108.35 km/h) |
| 80 mph (128.75 km/h) | 71.81 mph (115.57 km/h) |
| 85 mph (136.79 km/h) | 76.3 mph (122.8 km/h) |
| 90 mph (144.84 km/h) | 80.79 mph (130.02 km/h) |
| 95 mph (152.89 km/h) | 85.28 mph (137.24 km/h) |
| 100 mph (160.93 km/h) | 89.77 mph (144.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2036 | 2365 | 2547 | 2659 | 2781 | 2867 | 2963 | 3075 | 3231 | 3387 | 3560 | 3699 | 3950 | 4227 | 4444 | 4582 | 4660 | 4946 | 5345 | 6211 |
Better Fuel Economy Factory Ratios Increased Power
