Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/65-16 | 275/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.07 (763.9) | 34.07 (865.5) | 4 (101.6) 13.3% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 94.48 (2399.86) | 107.05 (2719.05) | 12.57 (319.19) 13.3% |
| Sidewall Height inches (mm) | 7.04 (178.75) | 7.04 (178.75) | 0 (0) 0% |
| Revolutions per mile (km) | 670.6 (416.69) | 591.88 (367.78) | -78.72 (-48.91) -11.7% |
275/65-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.66 mph (36.47 km/h) |
| 25 mph (40.23 km/h) | 28.33 mph (45.58 km/h) |
| 30 mph (48.28 km/h) | 33.99 mph (54.7 km/h) |
| 35 mph (56.33 km/h) | 39.66 mph (63.82 km/h) |
| 40 mph (64.37 km/h) | 45.32 mph (72.94 km/h) |
| 45 mph (72.42 km/h) | 50.99 mph (82.05 km/h) |
| 50 mph (80.47 km/h) | 56.65 mph (91.17 km/h) |
| 55 mph (88.51 km/h) | 62.32 mph (100.29 km/h) |
| 60 mph (96.56 km/h) | 67.98 mph (109.4 km/h) |
| 65 mph (104.61 km/h) | 73.65 mph (118.52 km/h) |
| 70 mph (112.65 km/h) | 79.31 mph (127.64 km/h) |
| 75 mph (120.7 km/h) | 84.98 mph (136.75 km/h) |
| 80 mph (128.75 km/h) | 90.64 mph (145.87 km/h) |
| 85 mph (136.79 km/h) | 96.31 mph (154.99 km/h) |
| 90 mph (144.84 km/h) | 101.97 mph (164.11 km/h) |
| 95 mph (152.89 km/h) | 107.64 mph (173.22 km/h) |
| 100 mph (160.93 km/h) | 113.3 mph (182.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1506 | 1750 | 1884 | 1968 | 2057 | 2122 | 2192 | 2275 | 2391 | 2506 | 2634 | 2737 | 2923 | 3128 | 3288 | 3391 | 3448 | 3660 | 3955 | 4596 |
Better Fuel Economy Factory Ratios Increased Power
