Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/60-16 | 220/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.03 (610.4) | 28.13 (714.4) | 4.09 (104) 17% |
| Width inches (mm) | 6.69 (170) | 8.66 (220) | 1.97 (50) 29.4% |
| Circum. inches (mm) | 75.5 (1917.63) | 88.36 (2244.35) | 12.86 (326.73) 17% |
| Sidewall Height inches (mm) | 4.02 (102) | 6.06 (154) | 2.05 (52) 51% |
| Revolutions per mile (km) | 839.24 (521.48) | 717.06 (445.56) | -122.17 (-75.91) -14.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.41 mph (37.67 km/h) |
| 25 mph (40.23 km/h) | 29.26 mph (47.09 km/h) |
| 30 mph (48.28 km/h) | 35.11 mph (56.51 km/h) |
| 35 mph (56.33 km/h) | 40.96 mph (65.92 km/h) |
| 40 mph (64.37 km/h) | 46.82 mph (75.34 km/h) |
| 45 mph (72.42 km/h) | 52.67 mph (84.76 km/h) |
| 50 mph (80.47 km/h) | 58.52 mph (94.18 km/h) |
| 55 mph (88.51 km/h) | 64.37 mph (103.6 km/h) |
| 60 mph (96.56 km/h) | 70.22 mph (113.01 km/h) |
| 65 mph (104.61 km/h) | 76.07 mph (122.43 km/h) |
| 70 mph (112.65 km/h) | 81.93 mph (131.85 km/h) |
| 75 mph (120.7 km/h) | 87.78 mph (141.27 km/h) |
| 80 mph (128.75 km/h) | 93.63 mph (150.68 km/h) |
| 85 mph (136.79 km/h) | 99.48 mph (160.1 km/h) |
| 90 mph (144.84 km/h) | 105.33 mph (169.52 km/h) |
| 95 mph (152.89 km/h) | 111.19 mph (178.94 km/h) |
| 100 mph (160.93 km/h) | 117.04 mph (188.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1825 | 2120 | 2283 | 2384 | 2493 | 2570 | 2656 | 2757 | 2896 | 3036 | 3191 | 3316 | 3541 | 3789 | 3983 | 4108 | 4178 | 4434 | 4791 | 5568 |
Better Fuel Economy Factory Ratios Increased Power
