Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-17 | 285/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.16 (816.8) | 33.83 (859.3) | 1.67 (42.5) 5.2% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 101.03 (2566.05) | 106.28 (2699.57) | 5.26 (133.52) 5.2% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 8.42 (213.75) | 0.84 (21.25) 11% |
| Revolutions per mile (km) | 627.17 (389.7) | 596.15 (370.43) | -31.02 (-19.27) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.04 mph (33.86 km/h) |
| 25 mph (40.23 km/h) | 26.3 mph (42.33 km/h) |
| 30 mph (48.28 km/h) | 31.56 mph (50.79 km/h) |
| 35 mph (56.33 km/h) | 36.82 mph (59.26 km/h) |
| 40 mph (64.37 km/h) | 42.08 mph (67.72 km/h) |
| 45 mph (72.42 km/h) | 47.34 mph (76.19 km/h) |
| 50 mph (80.47 km/h) | 52.6 mph (84.65 km/h) |
| 55 mph (88.51 km/h) | 57.86 mph (93.12 km/h) |
| 60 mph (96.56 km/h) | 63.12 mph (101.59 km/h) |
| 65 mph (104.61 km/h) | 68.38 mph (110.05 km/h) |
| 70 mph (112.65 km/h) | 73.64 mph (118.52 km/h) |
| 75 mph (120.7 km/h) | 78.9 mph (126.98 km/h) |
| 80 mph (128.75 km/h) | 84.16 mph (135.45 km/h) |
| 85 mph (136.79 km/h) | 89.42 mph (143.91 km/h) |
| 90 mph (144.84 km/h) | 94.68 mph (152.38 km/h) |
| 95 mph (152.89 km/h) | 99.94 mph (160.84 km/h) |
| 100 mph (160.93 km/h) | 105.2 mph (169.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
Better Fuel Economy Factory Ratios Increased Power
