Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/50-19 | 285/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.83 (757.6) | 29.1 (739.1) | -0.73 (-18.5) -2.4% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 93.7 (2380.07) | 91.42 (2321.95) | -2.29 (-58.12) -2.4% |
| Sidewall Height inches (mm) | 5.41 (137.5) | 5.05 (128.25) | -0.36 (-9.25) -6.7% |
| Revolutions per mile (km) | 676.17 (420.15) | 693.1 (430.67) | 16.92 (10.52) 2.5% |
285/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.51 mph (31.4 km/h) |
| 25 mph (40.23 km/h) | 24.39 mph (39.25 km/h) |
| 30 mph (48.28 km/h) | 29.27 mph (47.1 km/h) |
| 35 mph (56.33 km/h) | 34.15 mph (54.95 km/h) |
| 40 mph (64.37 km/h) | 39.02 mph (62.8 km/h) |
| 45 mph (72.42 km/h) | 43.9 mph (70.65 km/h) |
| 50 mph (80.47 km/h) | 48.78 mph (78.5 km/h) |
| 55 mph (88.51 km/h) | 53.66 mph (86.35 km/h) |
| 60 mph (96.56 km/h) | 58.53 mph (94.2 km/h) |
| 65 mph (104.61 km/h) | 63.41 mph (102.05 km/h) |
| 70 mph (112.65 km/h) | 68.29 mph (109.9 km/h) |
| 75 mph (120.7 km/h) | 73.17 mph (117.75 km/h) |
| 80 mph (128.75 km/h) | 78.05 mph (125.6 km/h) |
| 85 mph (136.79 km/h) | 82.92 mph (133.45 km/h) |
| 90 mph (144.84 km/h) | 87.8 mph (141.3 km/h) |
| 95 mph (152.89 km/h) | 92.68 mph (149.15 km/h) |
| 100 mph (160.93 km/h) | 97.56 mph (157 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1764 | 2049 | 2207 | 2304 | 2409 | 2484 | 2567 | 2664 | 2800 | 2935 | 3085 | 3205 | 3423 | 3663 | 3850 | 3970 | 4038 | 4286 | 4631 | 5381 |
Better Fuel Economy Factory Ratios Increased Power
