Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 230/60-15 | 210/40-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657) | 24.61 (625.2) | -1.25 (-31.8) -4.8% |
| Width inches (mm) | 9.06 (230) | 8.27 (210) | -0.79 (-20) -8.7% |
| Circum. inches (mm) | 81.26 (2064.03) | 77.33 (1964.12) | -3.93 (-99.9) -4.8% |
| Sidewall Height inches (mm) | 5.43 (138) | 3.31 (84) | -2.13 (-54) -39.1% |
| Revolutions per mile (km) | 779.71 (484.49) | 819.37 (509.13) | 39.66 (24.64) 5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.03 mph (30.63 km/h) |
| 25 mph (40.23 km/h) | 23.79 mph (38.29 km/h) |
| 30 mph (48.28 km/h) | 28.55 mph (45.94 km/h) |
| 35 mph (56.33 km/h) | 33.31 mph (53.6 km/h) |
| 40 mph (64.37 km/h) | 38.06 mph (61.26 km/h) |
| 45 mph (72.42 km/h) | 42.82 mph (68.92 km/h) |
| 50 mph (80.47 km/h) | 47.58 mph (76.57 km/h) |
| 55 mph (88.51 km/h) | 52.34 mph (84.23 km/h) |
| 60 mph (96.56 km/h) | 57.1 mph (91.89 km/h) |
| 65 mph (104.61 km/h) | 61.85 mph (99.54 km/h) |
| 70 mph (112.65 km/h) | 66.61 mph (107.2 km/h) |
| 75 mph (120.7 km/h) | 71.37 mph (114.86 km/h) |
| 80 mph (128.75 km/h) | 76.13 mph (122.52 km/h) |
| 85 mph (136.79 km/h) | 80.89 mph (130.17 km/h) |
| 90 mph (144.84 km/h) | 85.64 mph (137.83 km/h) |
| 95 mph (152.89 km/h) | 90.4 mph (145.49 km/h) |
| 100 mph (160.93 km/h) | 95.16 mph (153.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2085 | 2422 | 2609 | 2724 | 2848 | 2937 | 3035 | 3150 | 3310 | 3469 | 3647 | 3789 | 4046 | 4330 | 4552 | 4694 | 4774 | 5066 | 5475 | 6362 |
Better Fuel Economy Factory Ratios Increased Power
