Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-20 | 235/30-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.8 (706) | 29.55 (750.6) | 1.76 (44.6) 6.3% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 87.32 (2217.96) | 92.84 (2358.08) | 5.52 (140.12) 6.3% |
| Sidewall Height inches (mm) | 3.9 (99) | 2.78 (70.5) | -1.12 (-28.5) -28.8% |
| Revolutions per mile (km) | 725.6 (450.86) | 682.48 (424.07) | -43.11 (-26.79) -5.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.26 mph (34.22 km/h) |
| 25 mph (40.23 km/h) | 26.58 mph (42.78 km/h) |
| 30 mph (48.28 km/h) | 31.9 mph (51.33 km/h) |
| 35 mph (56.33 km/h) | 37.21 mph (59.89 km/h) |
| 40 mph (64.37 km/h) | 42.53 mph (68.44 km/h) |
| 45 mph (72.42 km/h) | 47.84 mph (77 km/h) |
| 50 mph (80.47 km/h) | 53.16 mph (85.55 km/h) |
| 55 mph (88.51 km/h) | 58.47 mph (94.11 km/h) |
| 60 mph (96.56 km/h) | 63.79 mph (102.66 km/h) |
| 65 mph (104.61 km/h) | 69.11 mph (111.22 km/h) |
| 70 mph (112.65 km/h) | 74.42 mph (119.77 km/h) |
| 75 mph (120.7 km/h) | 79.74 mph (128.33 km/h) |
| 80 mph (128.75 km/h) | 85.05 mph (136.88 km/h) |
| 85 mph (136.79 km/h) | 90.37 mph (145.44 km/h) |
| 90 mph (144.84 km/h) | 95.69 mph (153.99 km/h) |
| 95 mph (152.89 km/h) | 101 mph (162.55 km/h) |
| 100 mph (160.93 km/h) | 106.32 mph (171.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1737 | 2018 | 2173 | 2269 | 2372 | 2446 | 2528 | 2624 | 2757 | 2890 | 3038 | 3156 | 3370 | 3607 | 3791 | 3910 | 3976 | 4220 | 4560 | 5299 |
Better Fuel Economy Factory Ratios Increased Power
