Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/40-19 | 265/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.03 (686.6) | 27.35 (694.6) | 0.31 (8) 1.2% |
| Width inches (mm) | 10.04 (255) | 10.43 (265) | 0.39 (10) 3.9% |
| Circum. inches (mm) | 84.92 (2157.02) | 85.91 (2182.15) | 0.99 (25.13) 1.2% |
| Sidewall Height inches (mm) | 4.02 (102) | 4.17 (106) | 0.16 (4) 3.9% |
| Revolutions per mile (km) | 746.1 (463.6) | 737.5 (458.26) | -8.59 (-5.34) -1.2% |
265/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.23 mph (32.56 km/h) |
| 25 mph (40.23 km/h) | 25.29 mph (40.7 km/h) |
| 30 mph (48.28 km/h) | 30.35 mph (48.84 km/h) |
| 35 mph (56.33 km/h) | 35.41 mph (56.98 km/h) |
| 40 mph (64.37 km/h) | 40.47 mph (65.12 km/h) |
| 45 mph (72.42 km/h) | 45.52 mph (73.26 km/h) |
| 50 mph (80.47 km/h) | 50.58 mph (81.4 km/h) |
| 55 mph (88.51 km/h) | 55.64 mph (89.55 km/h) |
| 60 mph (96.56 km/h) | 60.7 mph (97.69 km/h) |
| 65 mph (104.61 km/h) | 65.76 mph (105.83 km/h) |
| 70 mph (112.65 km/h) | 70.82 mph (113.97 km/h) |
| 75 mph (120.7 km/h) | 75.87 mph (122.11 km/h) |
| 80 mph (128.75 km/h) | 80.93 mph (130.25 km/h) |
| 85 mph (136.79 km/h) | 85.99 mph (138.39 km/h) |
| 90 mph (144.84 km/h) | 91.05 mph (146.53 km/h) |
| 95 mph (152.89 km/h) | 96.11 mph (154.67 km/h) |
| 100 mph (160.93 km/h) | 101.17 mph (162.81 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1877 | 2180 | 2348 | 2452 | 2564 | 2644 | 2731 | 2835 | 2979 | 3123 | 3282 | 3410 | 3642 | 3897 | 4097 | 4225 | 4297 | 4560 | 4928 | 5726 |
Better Fuel Economy Factory Ratios Increased Power
