Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-17 | 255/85-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 34.07 (865.3) | 2.46 (62.5) 7.8% |
| Width inches (mm) | 10.43 (265) | 10.04 (255) | -0.39 (-10) -3.8% |
| Circum. inches (mm) | 99.29 (2522.07) | 107.02 (2718.42) | 7.73 (196.35) 7.8% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 8.53 (216.75) | 1.23 (31.25) 16.8% |
| Revolutions per mile (km) | 638.1 (396.5) | 592.01 (367.86) | -46.09 (-28.64) -7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.56 mph (34.69 km/h) |
| 25 mph (40.23 km/h) | 26.95 mph (43.37 km/h) |
| 30 mph (48.28 km/h) | 32.34 mph (52.04 km/h) |
| 35 mph (56.33 km/h) | 37.72 mph (60.71 km/h) |
| 40 mph (64.37 km/h) | 43.11 mph (69.39 km/h) |
| 45 mph (72.42 km/h) | 48.5 mph (78.06 km/h) |
| 50 mph (80.47 km/h) | 53.89 mph (86.73 km/h) |
| 55 mph (88.51 km/h) | 59.28 mph (95.41 km/h) |
| 60 mph (96.56 km/h) | 64.67 mph (104.08 km/h) |
| 65 mph (104.61 km/h) | 70.06 mph (112.75 km/h) |
| 70 mph (112.65 km/h) | 75.45 mph (121.42 km/h) |
| 75 mph (120.7 km/h) | 80.84 mph (130.1 km/h) |
| 80 mph (128.75 km/h) | 86.23 mph (138.77 km/h) |
| 85 mph (136.79 km/h) | 91.62 mph (147.44 km/h) |
| 90 mph (144.84 km/h) | 97.01 mph (156.12 km/h) |
| 95 mph (152.89 km/h) | 102.4 mph (164.79 km/h) |
| 100 mph (160.93 km/h) | 107.79 mph (173.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1507 | 1750 | 1885 | 1968 | 2058 | 2122 | 2193 | 2276 | 2391 | 2507 | 2635 | 2737 | 2923 | 3129 | 3289 | 3391 | 3449 | 3661 | 3956 | 4597 |
Better Fuel Economy Factory Ratios Increased Power
