Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/25-20 | 215/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.61 (650.5) | 25.93 (658.5) | 0.31 (8) 1.2% |
| Width inches (mm) | 11.22 (285) | 8.46 (215) | -2.76 (-70) -24.6% |
| Circum. inches (mm) | 80.46 (2043.61) | 81.45 (2068.74) | 0.99 (25.13) 1.2% |
| Sidewall Height inches (mm) | 2.81 (71.25) | 2.96 (75.25) | 0.16 (4) 5.6% |
| Revolutions per mile (km) | 787.5 (489.33) | 777.93 (483.39) | -9.57 (-5.94) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.25 mph (32.58 km/h) |
| 25 mph (40.23 km/h) | 25.31 mph (40.73 km/h) |
| 30 mph (48.28 km/h) | 30.37 mph (48.87 km/h) |
| 35 mph (56.33 km/h) | 35.43 mph (57.02 km/h) |
| 40 mph (64.37 km/h) | 40.49 mph (65.17 km/h) |
| 45 mph (72.42 km/h) | 45.55 mph (73.31 km/h) |
| 50 mph (80.47 km/h) | 50.61 mph (81.46 km/h) |
| 55 mph (88.51 km/h) | 55.68 mph (89.6 km/h) |
| 60 mph (96.56 km/h) | 60.74 mph (97.75 km/h) |
| 65 mph (104.61 km/h) | 65.8 mph (105.89 km/h) |
| 70 mph (112.65 km/h) | 70.86 mph (114.04 km/h) |
| 75 mph (120.7 km/h) | 75.92 mph (122.19 km/h) |
| 80 mph (128.75 km/h) | 80.98 mph (130.33 km/h) |
| 85 mph (136.79 km/h) | 86.05 mph (138.48 km/h) |
| 90 mph (144.84 km/h) | 91.11 mph (146.62 km/h) |
| 95 mph (152.89 km/h) | 96.17 mph (154.77 km/h) |
| 100 mph (160.93 km/h) | 101.23 mph (162.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | 2300 | 2477 | 2586 | 2704 | 2788 | 2881 | 2991 | 3142 | 3294 | 3462 | 3597 | 3841 | 4111 | 4322 | 4456 | 4532 | 4810 | 5198 | 6040 |
Better Fuel Economy Factory Ratios Increased Power
