OEM Safe
Within ±3%
Inside factory tolerance — ABS, ESP and cruise control stay calibrated.
Fitment comparison
155/80 R13versus165/70 R14
Δ Ø +8.4 mmSpeedo +1.45%OEM-safe
165/70 R14 stands taller than 155/80 R13 — bigger rolling diameter, slightly more clearance, calmer cruise revs.
Switching from 155/80 R13 to 165/70 R14 is a plus-1 upgrade that wraps a shorter sidewall around a larger 14-inch wheel. This alternative fitment lands within OEM rolling-diameter tolerance. The speedometer offset is mild and well inside what most cars can tolerate without recalibration. Less sidewall flex usually translates to crisper turn-in and a slightly stiffer ride over rough pavement. Diameter change stays inside the conservative ±3% safety window — an OEM-safe fitment on most vehicles.
TakeCommon upgrade for sportier handling and a tighter wheel-gap look on the same vehicle.
Quick fitment verdict
155/80 R13 → 165/70 R14 at a glance
Fender Clearance
Check at lock
Wider or taller setup — verify clearance at full steering lock and over bumps.
Speedometer Impact
+1.45%
At a true 100 km/h the dash reads 101.5 km/h — negligible.
Daily Driving
Livable
Daily use is fine; expect a slightly different ride and cruise rev count.
Side-by-side telemetry
Dimensional read-out
Current
155/80 R13
- Diameter
- 578.2 mm
- Sidewall
- 124.0 mm
- Wheel
- 13″
- Width
- 155 mm
Δ delta
Ø +8.4 mm
SW -8.5 mm
RH +4.2 mm
NewNew
165/70 R14
- Diameter
- 586.6 mm
- Sidewall
- 115.5 mm
- Wheel
- 14″
- Width
- 165 mm
Real-world effects
How this swap actually feels
- Steering response72/100 · Sharper turn-in
- Ride comfort48/100 · Firmer ride
- Fuel economy55/100 · Slightly higher drag
- Highway cruising65/100 · Lower cruise revs
- Pothole resistance41/100 · Less wheel protection
Shareable card
Generate fitment card
Export a garage-grade telemetry card of this comparison — perfect for forums, Reddit and Discord.
Ride height
Lifted stance
Chassis sits higher — slightly more clearance, wheel-gap visually grows.
New tire lifts the chassis by ~4.2 mm — more clearance, slightly more wheel-gap.
Suspension travel · arch clearance
Wheel gap
Wheel gap visually increases
How the arch-to-tire gap reads from across the parking lot — the visual stance change everyone notices first.
155/80 R13
165/70 R14
Wheel-gap Δ+4.2 mm
Static · unloaded chassis
Fender relationship
Tucked · Flush · Poke
The visual relationship between the tire's outer edge and the fender lip — the lens enthusiasts use to judge a fitment.
Tucked
Inside fender
Flush
Lip-aligned
Poke
Outside fender
Width & offset dependent
Speedometer reality
Dash reads 101.5 km/h
Taller rubber: at a true 100 km/h your dashboard reads optimistically high.
ABS · ESP · cruise control
Setup telemetry
How this setup changes the car
Driver-perspective read-out of the 155/80 R13 → 165/70 R14 swap — steering, comfort, stance and dash behavior in plain enthusiast language.
Steering feel
-8.5 mm sidewallSharper steering response
Shorter sidewall transmits inputs faster — quicker turn-in, more confident on-center feel.
Ride firmness
80% → 70%Slightly firmer over rough pavement
Expect more chatter on broken tarmac and a sharper pothole strike — keep an eye on wheel damage risk.
Fender relationship
+10 mm widthFender gap reads near-identical
Width delta is too small to change stance — same visual signature as OEM.
Speedometer behavior
+1.45%OEM-safe speedometer reading
Inside the factory ±3% tolerance — ABS, ESP and cruise control behave as designed.
Daily drivability
Ø +8.4 mmLivable upgrade with minor trade-offs
Daily use is fine; expect a slightly different cruise rev count and a touch more road feel.
Direct answer
Is 165/70 R14 OEM-safe?
Yes. Overall diameter changes by +1.45% versus 155/80 R13. OEM-safe. Speedometer, ABS, ESP and gearing remain inside the factory tolerance.
Direct answer
Will 165/70 R14 rub?
Unlikely. Width changes by +10 mm and diameter by +8.4 mm. Very unlikely to rub with OEM wheel offset.
Direct answer
Does the speedometer change?
Yes — by +1.45%. Swapping 155/80 R13 for 165/70 R14 changes overall diameter, so at an indicated 100 km/h your true speed becomes 101.5 km/h. That's within the ±3% OEM tolerance — no recalibration needed.
Direct answer
Does lower sidewall affect comfort?
Yes — firmer ride. Sidewall changes by -8.5 mm (80% → 70%). Ride becomes firmer and steering sharper, but potholes and expansion joints hit harder and wheel damage risk rises.
Current Tire
155/80R13
New Tire
165/70R14
Fitment · Scaled comparison
● Excellent fit
155/80 R13
Diameter
+8.4 mm
+1.45%
Sidewall
-8.5 mm
Speedometer
101.5 km/h
at true 100
Clearance
Excellent fit
165/70 R14
Ground line · Scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
+8.4 mm
1.45%
Speedometer at 100
101.5 km/h
+1.45% error
Ground clearance
+4.2 mm
ride height delta
Sidewall change
-8.5 mm
revs/km: 542.6
Permalink for this comparison:
/compare/155-80-r13-vs-165-70-r14Detailed comparison
| Metric | 155/80 R13 | 165/70 R14 | Difference |
|---|---|---|---|
| Overall diameter | 578.2 mm | 586.6 mm | +8.4 mm (+1.45%) |
| Sidewall height | 124.0 mm | 115.5 mm | -8.5 mm |
| Circumference | 1.816 m | 1.843 m | +26.4 mm |
| Revs / km | 550.5 | 542.6 | -7.9 |
| Ground clearance | reference | +4.2 mm | +4.2 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 101.5 km/h | +1.45 km/h |
Verdict: excellent
Within ±3% — speedometer, ABS and traction control should behave normally.
Dimensional comparison
Side-by-sideScaled engineering side-profile of both tires. Width, sidewall and overall diameter are dimensioned so you can see the change at a glance — without parsing the numbers.
Current
155/80 R13- Profile
- 80%
- Circumference
- 1.816 m
New
165/70 R14- Profile
- 70%
- Circumference
- 1.843 m
Side-by-side fitment
GeometryCurrent
155/80 R13- Section width
- 155 mm
- Aspect ratio
- 80%
- Sidewall
- 124.0 mm
- Wheel diameter
- 13″(330 mm)
- Overall diameter
- 578.2 mm(22.76″)
- Circumference
- 1.816 m
- Revs / km
- 550.5
New
165/70 R14- Section width
- 165 mm
- Aspect ratio
- 70%
- Sidewall
- 115.5 mm
- Wheel diameter
- 14″(356 mm)
- Overall diameter
- 586.6 mm(23.09″)
- Circumference
- 1.843 m
- Revs / km
- 542.6
Real-world consequences
Pros / consWider tire (+10 mm)
Section width- More dry grip and cornering bite
- Sharper steering response on initial turn-in
- Bigger contact patch under braking
- More road noise on coarse asphalt
- Worse aquaplaning resistance in standing water
- Higher rolling resistance, small MPG hit
- Possible fender or strut contact at full lock
Lower profile (-10% aspect)
Sidewall- Sharper turn-in and less sidewall roll
- More planted on smooth tarmac
- Bigger brake / caliper visual real estate
- Harsher ride over expansion joints and potholes
- Higher wheel-damage risk on impacts
- Less curb protection for the rim lip
- More sensitive to correct tire pressure
+1″ rim upsize
Wheel diameter- OEM+ look, fills the arch better
- Sharper response with matching low-profile rubber
- Bigger brake clearance for upgrades
- Heavier wheel, more unsprung mass
- Harsher ride, more wheel-damage risk
- Tire and wheel cost both go up
How it changes driving feel
Seat-of-the-pantsSteering response
Sharper turn-in
Ride comfort
Harsher impacts
Road noise
Louder on coarse asphalt
Wet / aquaplaning
Comparable wet behavior
Fuel economy
Small MPG penalty likely
Curb / pothole protection
Higher wheel-damage risk
Fitment risk check
Verify before installFender rubbing
Check fender clearance, especially with lower offset wheels.
Suspension clearance
Wider tire may contact strut or control arm on full compression.
Cluster preview
Within toleranceSpeedometer impact
At a true 100 km/h, your dashboard will read 101.5 km/h after switching to 165/70 R14 — a +1.45% offset. Use the speedometer error calculator for any indicated speed, and the speedometer error guide for the full background.
Ground clearance change
The new tire's half-diameter changes ride height by +4.2 mm. Small differences are absorbed by suspension travel, but anything beyond ±10 mm can affect headlight aim, fender clearance and bump-stop margin. See the plus-sizing guide before committing.
Back to
155/80 R13
Back to
165/70 R14
Drivers also compare
Closely-related fitments and plus-size swaps for 155/80 R13 and 165/70 R14.
165/70 R14 vs 195/60 R14
Wider variation on the same rim — more grip, less clearance.
Δ 0.51%
155/80 R13 vs 175/70 R13
Wider variation on the same rim — more grip, less clearance.
Δ 0.52%
165/70 R14 vs 175/65 R14
Wider variation on the same rim — more grip, less clearance.
Δ 0.60%
165/70 R14 vs 185/60 R14
Wider variation on the same rim — more grip, less clearance.
Δ 1.53%
165/70 R14 vs 185/65 R14
Wider variation on the same rim — more grip, less clearance.
Δ 1.62%
165/70 R14 vs 175/70 R14
Wider variation on the same rim — more grip, less clearance.
Δ 2.39%
165/65 R14 vs 165/70 R14
Same wheel, taller sidewall for extra cushioning.
Δ 2.89%
155/80 R13 vs 165/70 R13
Wider variation on the same rim — more grip, less clearance.
Δ 2.94%
Related topics
Comparison hub
Back to the tire size comparison calculator
Browse every wheel and tire fitment comparison, by rim size or popularity.