Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/75-17 | 345/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.7 (754.3) | 37.37 (949.3) | 7.68 (195) 25.9% |
| Width inches (mm) | 8.46 (215) | 13.58 (345) | 5.12 (130) 60.5% |
| Circum. inches (mm) | 93.3 (2369.7) | 117.41 (2982.31) | 24.12 (612.61) 25.9% |
| Sidewall Height inches (mm) | 6.35 (161.25) | 10.19 (258.75) | 3.84 (97.5) 60.5% |
| Revolutions per mile (km) | 679.13 (421.99) | 539.63 (335.31) | -139.5 (-86.68) -20.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.17 mph (40.51 km/h) |
| 25 mph (40.23 km/h) | 31.46 mph (50.63 km/h) |
| 30 mph (48.28 km/h) | 37.76 mph (60.76 km/h) |
| 35 mph (56.33 km/h) | 44.05 mph (70.89 km/h) |
| 40 mph (64.37 km/h) | 50.34 mph (81.02 km/h) |
| 45 mph (72.42 km/h) | 56.63 mph (91.14 km/h) |
| 50 mph (80.47 km/h) | 62.93 mph (101.27 km/h) |
| 55 mph (88.51 km/h) | 69.22 mph (111.4 km/h) |
| 60 mph (96.56 km/h) | 75.51 mph (121.52 km/h) |
| 65 mph (104.61 km/h) | 81.8 mph (131.65 km/h) |
| 70 mph (112.65 km/h) | 88.1 mph (141.78 km/h) |
| 75 mph (120.7 km/h) | 94.39 mph (151.9 km/h) |
| 80 mph (128.75 km/h) | 100.68 mph (162.03 km/h) |
| 85 mph (136.79 km/h) | 106.97 mph (172.16 km/h) |
| 90 mph (144.84 km/h) | 113.27 mph (182.29 km/h) |
| 95 mph (152.89 km/h) | 119.56 mph (192.41 km/h) |
| 100 mph (160.93 km/h) | 125.85 mph (202.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1373 | 1595 | 1718 | 1794 | 1876 | 1934 | 1999 | 2074 | 2180 | 2285 | 2402 | 2495 | 2665 | 2852 | 2998 | 3091 | 3144 | 3337 | 3606 | 4190 |
Better Fuel Economy Factory Ratios Increased Power
