Road Bike Tire Test: Continental Grand Prix 4 Season 2022

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  • Continental Grand Prix 4 Season 2022
Performance compared to all other road bike tires
(100% is best)
Pro Members get 11-point radar charts



Continental Grand Prix 4 Season 2022 road bike tire on a rolling resistance test machine

The Grand Prix 4 Season is Continental's top-of-the-range all-season tire made to be a year-round companion for training and (light) competition use. The Grand Prix 4 Season is closely related to the Continental Grand Prix 5000 (read our review) but comes with additional layers of reinforcement and a compound more optimized towards grip in wet and cold conditions.


Ad Buy Continental Grand Prix 4 Season 2022 at Amazon.com


Just like the Grand Prix 5000, the Grand Prix 4 Season comes with the well-known Continental 3/330 casing that, unlike the Grand Prix 5000, has been reinforced with a layer of DuraSkin that runs from bead to bead. A double layer (single layer on Grand Prix 5000) of Vectran anti-puncture material under the tread pushes the puncture resistance of the tread beyond what we see with typical all-round road bike tires.


We already tested the Grand Prix 4 Season back in 2015, but since we added our wet grip test only recently, we found wet grip test data can't be missing for the Grand Prix 4 Season as it's one of the most popular winter tires. We performed all our tests on a new sample, which gives us an excellent opportunity to see if anything has changed over the past 7 years.

Manufacturer Specifications


Manufacturer Specifications
Brand Continental
Model Grand Prix 4 Season 2022
Year 2022
Tire Type Tubetype (clincher)
Supplied By Bought in store
New or Used New
Mileage 0 km
Price Range High
Buy At Ad Amazon.com
Manufacturer part number 0100175
EAN4019238409116
TPI 3/330
Compound -
Bead Folding
ETRTO 25-622
Size Inch 28"
Specified Width (mm) 25
Specified Weight 230 grams
Max Air Pressure (psi) 120
Made In Members Only
Available Sizes 23-622 (700x23c)
25-622 (700x25c)
28-622 (700x28c)
32-622 (700x32c)

Continental Grand Prix 4 Season 2022 Test Results

Continental Grand Prix 4 Season 2022 road bike tire on a rolling resistance test machine

Size, Weight, and Thickness Measurements


Size, Weight and Thickness Measurements
Specified Weight 230 grams
Measured Weight 228 grams
System Adjusted Weight
(tire + inner tube (100 gr)
328 grams
Measured Width 27 mm (un-round)
Measured Height 24 mm (un-round)
Total Tire Thickness Center 2.8 mm
Total Tire Thickness Sidewall Members Only
Unmounted Casing Width 66 mm
Unmounted Tread Width Members Only
Tread Cover (Tread / Casing Ratio) Members Only
All size measurements are taken at an air pressure of 100 psi / 6.9 bars on a 17.8 mm inner width rim.

Rolling Resistance Test Results


Rolling Resistance Test Results
Inner Tube Conti Race28 (100gr butyl)
Measured Width 27 mm (un-round)
Rolling Resistance
Real tire width in mm:
22-24 = 132 psi/9.1 bar
25-27 = 120 psi/8.3 bar
28-29 = 108 psi/7.4 bar
Ultra High Air Pressure

(120 psi / 8.3 bar)
14.6 Watts
CRR: 0.00438
Rolling Resistance
Real tire width in mm:
22-24 = 110 psi/7.6bar
25-27 = 100 psi/6.9 bar
28-29 = 90 psi/6.2 bar
Extra High Air Pressure

(100 psi / 6.9 bar)
15.5 Watts
CRR: 0.00465
Rolling Resistance
Real tire width in mm:
22-24 = 88 psi/6.1 bar
25-27 = 80 psi/5.5 bar
28-29 = 72 psi/5.0 bar
High Air Pressure

(80 psi / 5.5 bar)
Members Only
Rolling Resistance
Real tire width in mm:
22-24 = 66 psi/4.6 bar
25-27 = 60 psi/4.1 bar
28-29 = 54 psi/3.7 bar
Medium Air Pressure

(60 psi / 4.1 bar)
Members Only
The Road Bike section is a multi tire size section, air pressures have been adjusted to the measured casing width.

All numbers are for a single tire at a speed of 29 km/h / 18 mph and a load of 42.5 kg / 94 lbs.

Use the formula: RR (Watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load.

Puncture Resistance Test Results

Continental Grand Prix 4 Season 2022 road bike tire on a rolling resistance test machine
Puncture Resistance Test Results (higher is better)
Total Puncture Score Tread 61 Points
Total Puncture Score Sidewall Members Only
Tread Puncture Force Sharp Needle Members Only
Tread Puncture Force Blunt Needle Members Only
Tread Total Tire Thickness 2.8 mm
Sidewall Puncture Force Sharp Needle Members Only
Sidewall Puncture Force Blunt Needle Members Only
Sidewall Total Tire Thickness Members Only

Static Grip Test Results

Continental Grand Prix 4 Season 2022 road bike tire on a grip test machine
Static Grip Test Results
Wet Grip Average 70 Points
Wet Grip Center Members Only
Wet Grip Edge Members Only
Grip in points = coefficient of friction * 100

Conclusion


  • Continental Grand Prix 4 Season 2022
Performance compared to all other road bike tires
(100% is best)

Pro Members get 11-point radar charts

We've found some significant differences between our 2015 test results and the latest test results of a recent Grand Prix 4 Season sample. Our results show that the most recent sample rolls faster, but puncture resistance has gone down by quite a bit. We're not sure if there has been an actual change in the design of this tire or its materials, or it's about the "freshness" of the tires as the compounds usually harden a bit when stored for longer.


Although the Grand Prix 4 Season is advertised as a tire that offers superior grip under wet conditions, it's something we haven't found in our static wet grip test. The grip is better than the Grand Prix 5000, but it's not as good as we might have expected from an all-season tire. The compound itself grips better, but as the casing has been made more robust (and thus less flexible), the ultimate increase in grip is limited to just a few points.

Ad Buy Continental Grand Prix 4 Season 2022 at Amazon.com


RATING: 4.0 / 5
TEST VERDICT:
Recommended


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