Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-19 | 230/65-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.02 (762.6) | 30.77 (781.6) | 0.75 (19) 2.5% |
| Width inches (mm) | 6.89 (175) | 9.06 (230) | 2.17 (55) 31.4% |
| Circum. inches (mm) | 94.32 (2395.78) | 96.67 (2455.47) | 2.35 (59.69) 2.5% |
| Sidewall Height inches (mm) | 5.51 (140) | 5.89 (149.5) | 0.37 (9.5) 6.8% |
| Revolutions per mile (km) | 671.74 (417.4) | 655.41 (407.25) | -16.33 (-10.15) -2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.5 mph (32.99 km/h) |
| 25 mph (40.23 km/h) | 25.62 mph (41.24 km/h) |
| 30 mph (48.28 km/h) | 30.75 mph (49.48 km/h) |
| 35 mph (56.33 km/h) | 35.87 mph (57.73 km/h) |
| 40 mph (64.37 km/h) | 41 mph (65.98 km/h) |
| 45 mph (72.42 km/h) | 46.12 mph (74.22 km/h) |
| 50 mph (80.47 km/h) | 51.25 mph (82.47 km/h) |
| 55 mph (88.51 km/h) | 56.37 mph (90.72 km/h) |
| 60 mph (96.56 km/h) | 61.49 mph (98.97 km/h) |
| 65 mph (104.61 km/h) | 66.62 mph (107.21 km/h) |
| 70 mph (112.65 km/h) | 71.74 mph (115.46 km/h) |
| 75 mph (120.7 km/h) | 76.87 mph (123.71 km/h) |
| 80 mph (128.75 km/h) | 81.99 mph (131.96 km/h) |
| 85 mph (136.79 km/h) | 87.12 mph (140.2 km/h) |
| 90 mph (144.84 km/h) | 92.24 mph (148.45 km/h) |
| 95 mph (152.89 km/h) | 97.37 mph (156.7 km/h) |
| 100 mph (160.93 km/h) | 102.49 mph (164.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1668 | 1938 | 2087 | 2179 | 2278 | 2349 | 2427 | 2520 | 2647 | 2775 | 2917 | 3031 | 3236 | 3464 | 3641 | 3755 | 3818 | 4053 | 4379 | 5089 |
Better Fuel Economy Factory Ratios Increased Power
