Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 235/88-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 32.28 (820) | 11.09 (281.6) 52.3% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 66.59 (1691.43) | 101.42 (2576.11) | 34.83 (884.67) 52.3% |
| Sidewall Height inches (mm) | 2.6 (66) | 8.14 (206.8) | 5.54 (140.8) 213.3% |
| Revolutions per mile (km) | 951.47 (591.21) | 624.72 (388.18) | -326.75 (-203.03) -34.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 30.46 mph (49.02 km/h) |
| 25 mph (40.23 km/h) | 38.08 mph (61.28 km/h) |
| 30 mph (48.28 km/h) | 45.69 mph (73.53 km/h) |
| 35 mph (56.33 km/h) | 53.31 mph (85.79 km/h) |
| 40 mph (64.37 km/h) | 60.92 mph (98.04 km/h) |
| 45 mph (72.42 km/h) | 68.54 mph (110.3 km/h) |
| 50 mph (80.47 km/h) | 76.15 mph (122.55 km/h) |
| 55 mph (88.51 km/h) | 83.77 mph (134.81 km/h) |
| 60 mph (96.56 km/h) | 91.38 mph (147.07 km/h) |
| 65 mph (104.61 km/h) | 99 mph (159.32 km/h) |
| 70 mph (112.65 km/h) | 106.61 mph (171.58 km/h) |
| 75 mph (120.7 km/h) | 114.23 mph (183.83 km/h) |
| 80 mph (128.75 km/h) | 121.84 mph (196.09 km/h) |
| 85 mph (136.79 km/h) | 129.46 mph (208.34 km/h) |
| 90 mph (144.84 km/h) | 137.07 mph (220.6 km/h) |
| 95 mph (152.89 km/h) | 144.69 mph (232.85 km/h) |
| 100 mph (160.93 km/h) | 152.3 mph (245.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1590 | 1847 | 1989 | 2077 | 2172 | 2239 | 2314 | 2402 | 2523 | 2645 | 2780 | 2889 | 3085 | 3301 | 3470 | 3579 | 3640 | 3863 | 4174 | 4851 |
Better Fuel Economy Factory Ratios Increased Power
