175/80R13 vs 185/70R14
185/70R14 is 5.0 mm taller than 175/80R13 in overall diameter (+0.8%), within the usual 3% limit, so it can replace it where the wheels and clearance allow. With 185/70R14 fitted, the speedometer reads 100 km/h when you are doing 100.8 km/h.
Dimensions side by side
| 175/80R13 | 185/70R14 | |
|---|---|---|
| Overall diameter | 610 mm (24.0″) | 615 mm (24.2″) |
| Section width | 175 mm | 185 mm |
| Sidewall height | 140 mm | 130 mm |
| Rim | 13″ | 14″ |
| Revolutions per km | 522 | 518 |
| In stock | 1 tire from $107.00 | 2 tires from $81.00 |
What changes
- Overall diameter: 185/70R14 is 5.0 mm taller (+0.8%).
- Speedometer: reads 100 km/h at an actual 100.8 km/h with 185/70R14.
- 185/70R14 is 10 mm wider, so check clearance and the recommended rim width.
- Wheel size changes from 13″ to 14″: you need wheels in the new size.
- Choose a load index at least as high as the one on your door placard.
Vehicles that came with both sizes
Vehicles that use 175/80R13
Vehicles that use 185/70R14
See every alternate size for 175/80R13
Frequently asked questions
Can I use 185/70R14 instead of 175/80R13?
Usually, yes: 185/70R14 is within 3% of the overall diameter of 175/80R13 (+0.8%). Use wheels of the right size and width, match or exceed the original load index, and check clearance at full steering lock.
How much does the speedometer change between 175/80R13 and 185/70R14?
With 185/70R14 instead of 175/80R13, the speedometer shows 100 km/h when you are actually doing 100.8 km/h.
Which vehicles came with both 175/80R13 and 185/70R14?
Both sizes were original equipment, on different trims or packages, on the 1984–1986, 1988–1989 Dodge Aries, 1984–1986, 1988–1989 Plymouth Reliant, 1984–1986 Mercury Topaz.