Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/40-19 | 230/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.56 (674.6) | 25.34 (643.6) | -1.22 (-31) -4.6% |
| Width inches (mm) | 9.45 (240) | 9.06 (230) | -0.39 (-10) -4.2% |
| Circum. inches (mm) | 83.44 (2119.32) | 79.6 (2021.93) | -3.83 (-97.39) -4.6% |
| Sidewall Height inches (mm) | 3.78 (96) | 3.17 (80.5) | -0.61 (-15.5) -16.1% |
| Revolutions per mile (km) | 759.37 (471.85) | 795.94 (494.58) | 36.58 (22.73) 4.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.08 mph (30.71 km/h) |
| 25 mph (40.23 km/h) | 23.85 mph (38.38 km/h) |
| 30 mph (48.28 km/h) | 28.62 mph (46.06 km/h) |
| 35 mph (56.33 km/h) | 33.39 mph (53.74 km/h) |
| 40 mph (64.37 km/h) | 38.16 mph (61.42 km/h) |
| 45 mph (72.42 km/h) | 42.93 mph (69.09 km/h) |
| 50 mph (80.47 km/h) | 47.7 mph (76.77 km/h) |
| 55 mph (88.51 km/h) | 52.47 mph (84.45 km/h) |
| 60 mph (96.56 km/h) | 57.24 mph (92.12 km/h) |
| 65 mph (104.61 km/h) | 62.01 mph (99.8 km/h) |
| 70 mph (112.65 km/h) | 66.78 mph (107.48 km/h) |
| 75 mph (120.7 km/h) | 71.55 mph (115.15 km/h) |
| 80 mph (128.75 km/h) | 76.32 mph (122.83 km/h) |
| 85 mph (136.79 km/h) | 81.09 mph (130.51 km/h) |
| 90 mph (144.84 km/h) | 85.86 mph (138.19 km/h) |
| 95 mph (152.89 km/h) | 90.63 mph (145.86 km/h) |
| 100 mph (160.93 km/h) | 95.4 mph (153.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2353 | 2534 | 2646 | 2767 | 2853 | 2948 | 3060 | 3215 | 3370 | 3543 | 3680 | 3930 | 4206 | 4422 | 4560 | 4637 | 4922 | 5318 | 6180 |
Better Fuel Economy Factory Ratios Increased Power
