Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 170/70-16 | 190/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 25.72 (653.4) | 0.35 (9) 1.4% |
| Width inches (mm) | 6.69 (170) | 7.48 (190) | 0.79 (20) 11.8% |
| Circum. inches (mm) | 79.7 (2024.44) | 80.82 (2052.72) | 1.11 (28.27) 1.4% |
| Sidewall Height inches (mm) | 4.69 (119) | 4.86 (123.5) | 0.18 (4.5) 3.8% |
| Revolutions per mile (km) | 794.96 (493.96) | 784.01 (487.16) | -10.95 (-6.8) -1.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.28 mph (32.64 km/h) |
| 25 mph (40.23 km/h) | 25.35 mph (40.8 km/h) |
| 30 mph (48.28 km/h) | 30.42 mph (48.95 km/h) |
| 35 mph (56.33 km/h) | 35.49 mph (57.11 km/h) |
| 40 mph (64.37 km/h) | 40.56 mph (65.27 km/h) |
| 45 mph (72.42 km/h) | 45.63 mph (73.43 km/h) |
| 50 mph (80.47 km/h) | 50.7 mph (81.59 km/h) |
| 55 mph (88.51 km/h) | 55.77 mph (89.75 km/h) |
| 60 mph (96.56 km/h) | 60.84 mph (97.91 km/h) |
| 65 mph (104.61 km/h) | 65.91 mph (106.07 km/h) |
| 70 mph (112.65 km/h) | 70.98 mph (114.23 km/h) |
| 75 mph (120.7 km/h) | 76.05 mph (122.39 km/h) |
| 80 mph (128.75 km/h) | 81.12 mph (130.55 km/h) |
| 85 mph (136.79 km/h) | 86.19 mph (138.71 km/h) |
| 90 mph (144.84 km/h) | 91.26 mph (146.86 km/h) |
| 95 mph (152.89 km/h) | 96.33 mph (155.02 km/h) |
| 100 mph (160.93 km/h) | 101.4 mph (163.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 2318 | 2496 | 2606 | 2725 | 2810 | 2904 | 3014 | 3167 | 3320 | 3489 | 3625 | 3871 | 4143 | 4355 | 4491 | 4568 | 4848 | 5238 | 6087 |
Better Fuel Economy Factory Ratios Increased Power
