Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-15 | 275/20-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.58 (573.5) | 24.33 (618) | 1.75 (44.5) 7.8% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 70.93 (1801.7) | 76.44 (1941.5) | 5.5 (139.8) 7.8% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 2.17 (55) | -1.62 (-41.25) -42.9% |
| Revolutions per mile (km) | 893.23 (555.03) | 828.92 (515.06) | -64.32 (-39.97) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.55 mph (34.68 km/h) |
| 25 mph (40.23 km/h) | 26.94 mph (43.36 km/h) |
| 30 mph (48.28 km/h) | 32.33 mph (52.03 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.7 km/h) |
| 40 mph (64.37 km/h) | 43.1 mph (69.37 km/h) |
| 45 mph (72.42 km/h) | 48.49 mph (78.04 km/h) |
| 50 mph (80.47 km/h) | 53.88 mph (86.71 km/h) |
| 55 mph (88.51 km/h) | 59.27 mph (95.38 km/h) |
| 60 mph (96.56 km/h) | 64.66 mph (104.05 km/h) |
| 65 mph (104.61 km/h) | 70.04 mph (112.72 km/h) |
| 70 mph (112.65 km/h) | 75.43 mph (121.4 km/h) |
| 75 mph (120.7 km/h) | 80.82 mph (130.07 km/h) |
| 80 mph (128.75 km/h) | 86.21 mph (138.74 km/h) |
| 85 mph (136.79 km/h) | 91.6 mph (147.41 km/h) |
| 90 mph (144.84 km/h) | 96.98 mph (156.08 km/h) |
| 95 mph (152.89 km/h) | 102.37 mph (164.75 km/h) |
| 100 mph (160.93 km/h) | 107.76 mph (173.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2109 | 2451 | 2639 | 2756 | 2881 | 2971 | 3070 | 3187 | 3348 | 3510 | 3689 | 3833 | 4093 | 4380 | 4605 | 4748 | 4829 | 5125 | 5538 | 6436 |
Better Fuel Economy Factory Ratios Increased Power
