Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/85-16 | 265/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.4 (822.9) | 31.61 (802.8) | -0.79 (-20.1) -2.4% |
| Width inches (mm) | 9.65 (245) | 10.43 (265) | 0.79 (20) 8.2% |
| Circum. inches (mm) | 101.78 (2585.22) | 99.29 (2522.07) | -2.49 (-63.15) -2.4% |
| Sidewall Height inches (mm) | 8.2 (208.25) | 7.3 (185.5) | -0.9 (-22.75) -10.9% |
| Revolutions per mile (km) | 622.52 (386.81) | 638.1 (396.5) | 15.59 (9.68) 2.5% |
265/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.51 mph (31.4 km/h) |
| 25 mph (40.23 km/h) | 24.39 mph (39.25 km/h) |
| 30 mph (48.28 km/h) | 29.27 mph (47.1 km/h) |
| 35 mph (56.33 km/h) | 34.15 mph (54.95 km/h) |
| 40 mph (64.37 km/h) | 39.02 mph (62.8 km/h) |
| 45 mph (72.42 km/h) | 43.9 mph (70.65 km/h) |
| 50 mph (80.47 km/h) | 48.78 mph (78.5 km/h) |
| 55 mph (88.51 km/h) | 53.66 mph (86.35 km/h) |
| 60 mph (96.56 km/h) | 58.53 mph (94.2 km/h) |
| 65 mph (104.61 km/h) | 63.41 mph (102.05 km/h) |
| 70 mph (112.65 km/h) | 68.29 mph (109.9 km/h) |
| 75 mph (120.7 km/h) | 73.17 mph (117.75 km/h) |
| 80 mph (128.75 km/h) | 78.05 mph (125.6 km/h) |
| 85 mph (136.79 km/h) | 82.92 mph (133.45 km/h) |
| 90 mph (144.84 km/h) | 87.8 mph (141.3 km/h) |
| 95 mph (152.89 km/h) | 92.68 mph (149.15 km/h) |
| 100 mph (160.93 km/h) | 97.56 mph (157 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1624 | 1886 | 2032 | 2121 | 2218 | 2287 | 2363 | 2453 | 2577 | 2702 | 2840 | 2951 | 3151 | 3372 | 3545 | 3655 | 3718 | 3946 | 4263 | 4954 |
Better Fuel Economy Factory Ratios Increased Power
