Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-20 | 260/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.58 (700.5) | 28.19 (716) | 0.61 (15.5) 2.2% |
| Width inches (mm) | 10.83 (275) | 10.24 (260) | -0.59 (-15) -5.5% |
| Circum. inches (mm) | 86.64 (2200.69) | 88.56 (2249.38) | 1.92 (48.69) 2.2% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 4.09 (104) | 0.31 (7.75) 8.1% |
| Revolutions per mile (km) | 731.29 (454.4) | 715.46 (444.57) | -15.83 (-9.84) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.44 mph (32.9 km/h) |
| 25 mph (40.23 km/h) | 25.55 mph (41.12 km/h) |
| 30 mph (48.28 km/h) | 30.66 mph (49.35 km/h) |
| 35 mph (56.33 km/h) | 35.77 mph (57.57 km/h) |
| 40 mph (64.37 km/h) | 40.89 mph (65.8 km/h) |
| 45 mph (72.42 km/h) | 46 mph (74.02 km/h) |
| 50 mph (80.47 km/h) | 51.11 mph (82.25 km/h) |
| 55 mph (88.51 km/h) | 56.22 mph (90.47 km/h) |
| 60 mph (96.56 km/h) | 61.33 mph (98.7 km/h) |
| 65 mph (104.61 km/h) | 66.44 mph (106.92 km/h) |
| 70 mph (112.65 km/h) | 71.55 mph (115.15 km/h) |
| 75 mph (120.7 km/h) | 76.66 mph (123.37 km/h) |
| 80 mph (128.75 km/h) | 81.77 mph (131.6 km/h) |
| 85 mph (136.79 km/h) | 86.88 mph (139.82 km/h) |
| 90 mph (144.84 km/h) | 91.99 mph (148.05 km/h) |
| 95 mph (152.89 km/h) | 97.1 mph (156.27 km/h) |
| 100 mph (160.93 km/h) | 102.21 mph (164.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1821 | 2115 | 2278 | 2379 | 2487 | 2564 | 2650 | 2750 | 2890 | 3029 | 3184 | 3308 | 3533 | 3781 | 3975 | 4099 | 4168 | 4424 | 4780 | 5555 |
Better Fuel Economy Factory Ratios Increased Power
