Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/60-16 | 235/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 32.8 (833.2) | 6.41 (162.8) 24.3% |
| Width inches (mm) | 8.66 (220) | 9.25 (235) | 0.59 (15) 6.8% |
| Circum. inches (mm) | 82.92 (2106.12) | 103.05 (2617.57) | 20.14 (511.45) 24.3% |
| Sidewall Height inches (mm) | 5.2 (132) | 7.4 (188) | 2.2 (56) 42.4% |
| Revolutions per mile (km) | 764.13 (474.81) | 614.82 (382.03) | -149.3 (-92.77) -19.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.86 mph (40 km/h) |
| 25 mph (40.23 km/h) | 31.07 mph (50 km/h) |
| 30 mph (48.28 km/h) | 37.29 mph (60 km/h) |
| 35 mph (56.33 km/h) | 43.5 mph (70.01 km/h) |
| 40 mph (64.37 km/h) | 49.71 mph (80.01 km/h) |
| 45 mph (72.42 km/h) | 55.93 mph (90.01 km/h) |
| 50 mph (80.47 km/h) | 62.14 mph (100.01 km/h) |
| 55 mph (88.51 km/h) | 68.36 mph (110.01 km/h) |
| 60 mph (96.56 km/h) | 74.57 mph (120.01 km/h) |
| 65 mph (104.61 km/h) | 80.78 mph (130.01 km/h) |
| 70 mph (112.65 km/h) | 87 mph (140.01 km/h) |
| 75 mph (120.7 km/h) | 93.21 mph (150.01 km/h) |
| 80 mph (128.75 km/h) | 99.43 mph (160.01 km/h) |
| 85 mph (136.79 km/h) | 105.64 mph (170.01 km/h) |
| 90 mph (144.84 km/h) | 111.86 mph (180.01 km/h) |
| 95 mph (152.89 km/h) | 118.07 mph (190.02 km/h) |
| 100 mph (160.93 km/h) | 124.28 mph (200.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1565 | 1818 | 1957 | 2044 | 2137 | 2204 | 2277 | 2364 | 2483 | 2603 | 2736 | 2843 | 3036 | 3249 | 3416 | 3522 | 3582 | 3802 | 4108 | 4774 |
Better Fuel Economy Factory Ratios Increased Power
