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Porsche 911 / M3 Fitment · 5-Lug
2025 Mercedes-Benz AMG GT43 [UK] Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Mercedes-Benz AMG GT43 [UK] wheels? This page gives the 2025 Mercedes-Benz AMG GT43 [UK] bolt pattern (5x112), centre bore, factory rim size and the offset range for aftermarket and forged Mercedes-Benz AMG GT43 [UK] rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2025 Mercedes-Benz AMG GT43 [UK] uses a 5x112 bolt pattern with a 66.6 mm centre bore and M14x1.5 lug bolts. Factory wheels: F: 19x9.5J R: 20x10.0J. For aftermarket wheels, 20x10.0J ET28 front / 20x11.0J ET35 rear sits flush and 21x10.5J ET25 front / 21x11.5J ET30 rear is the most aggressive fit.
Forged wheels for the 2025 Mercedes-Benz AMG GT43 [UK] — drilled 5x112 with a 66.6 mm centre bore, built to the offset you choose. From $220 per wheel, made to order in about 25 days.
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Mercedes-Benz AMG GT43 [UK] (2025): 5x112 bolt pattern, 66.6mm center bore. Factory wheels: F: 19x9.5J R: 20x10.0J. Reference fitment ranges.
Bolt Pattern5x112
Wheel Bolt/NutM14x1.5 Bolt
Center Bore66.6mm
Wheel Load Rating700–850 kg/wheel (Performance / Sports Car segment reference)
Caliper TypeBrembo 6-piston fixed front / 4-piston fixed rear (OEM, AMG GT)
Year2025
CategorySports Car
✓ Data check: the bolt pattern and center bore on this page match an independent fitment reference. Last reviewed September 18, 2026. How we verify
Built to order by ANKUSI — IATF 16949 & ISO 9001 certified forged wheel manufacturer, TÜV/SFI/VIA compliant. See our factory & certifications →
Wheel Size & Offset at a Glance
| Configuration | Wheel Size & Offset |
|---|---|
| Factory (OE) | F: 19x9.5J R: 20x10.0J |
| Flush Fitment | F 20x10.0J ET28 / R 20x11.0J ET35 |
| Maximum Aggressive | F 21x10.5J ET25 / R 21x11.5J ET30 |
Forged wheels for the Mercedes-Benz AMG GT43 [UK]Machined to the 5x112 bolt pattern and 66.6 mm bore · 14–24 inch · offset calculated for your car · 3D drawing before production
How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
Most of the engineering value in a forged wheel over a cast one shows up in rotational mass, not outright strength — both can meet the same load rating, but the forged piece gets there lighter. On a sedan platform tuned for everyday balance, that weight saving is felt directly in steering response and ride quality.
The Mercedes-Benz AMG GT43 [UK] runs a 5x112 bolt pattern, 66.6mm center bore, and a F: 19x9.5J wheel from the factory. Our Flush Fitment reference is F 20x10.0J ET28 / R 20x11.0J ET35, which tucks the tire under the fender lip on a stock-height Mercedes-Benz AMG GT43 [UK]. Our Maximum Aggressive reference is F 21x10.5J ET25 / R 21x11.5J ET30 — beyond that offset, expect rubbing against the inner fender liner under compression without further trimming.
Mercedes-Benz AMG GT43 [UK] OE Wheel Specs
The 2025 Mercedes-Benz AMG GT43 [UK] (Sports Car) uses a 5x112 bolt pattern with a 66.6mm center bore. Factory wheels are F: 19x9.5J R: 20x10.0J.
Why the factory spec works for most owners:
- Keeps unsprung weight low to preserve the factory handling balance
- Matches the wider, performance-oriented tire sizing typical of this platform
- Maintains clearance for the factory brake package and suspension geometry
- Balances grip with ride comfort for daily and spirited driving
ANKUSI builds these wheels — we are the forging factory, not a reseller. For the Mercedes-Benz AMG GT43 [UK] (2025) we drill the 5x112 pattern and cut the centre bore to 66.6mm on our own CNC line, so the wheel hub-centres on the car with no spacer rings, in whatever diameter, width and offset you specify.
Converting these ET figures to backspacing? Use the wheel offset and backspacing calculator.
The figures on this page are part of our open wheel fitment dataset — 10,093 vehicles, free to download, CC BY 4.0.
Flush Fitment
For a flush look with minimal rubbing, F 20x10.0J ET28 / R 20x11.0J ET35 is the recommended starting point on a stock or mildly lowered Mercedes-Benz AMG GT43 [UK].
Maximum Aggressive Fitment
F 21x10.5J ET25 / R 21x11.5J ET30 is a more aggressive reference setup. Beyond this, expect rubbing under compression without fender rolling or camber correction.
5-Tier Configuration Options
A Factory-Style F 19x9.5J ET35 / R 20x10.0J ET40
Recommended setup: F 19x9.5J ET35 / R 20x10.0J ET40 | Economy impact: Negligible | Best for: Daily commuting, family use
Appearance: 7/10 | Comfort: 9.5/10 | Install difficulty: ★☆☆☆☆
Estimated cost: $1,200-1,500 (wheels + tires + install)
B Comfortable Upgrade F 20x10.0J ET32 / R 20x10.5J ET38
Recommended setup: F 20x10.0J ET32 / R 20x10.5J ET38 | Economy impact: -2 to -4% | Best for: Daily / street
Appearance: 8/10 | Comfort: 9/10 | Install difficulty: ★☆☆☆☆
Estimated cost: $1,950-2,550 (wheels + tires + install)
C Balanced / Flush Fit F 20x10.0J ET28 / R 20x11.0J ET35
Recommended setup: F 20x10.0J ET28 / R 20x11.0J ET35 | Economy impact: -4 to -6% | Best for: Street
Appearance: 8.5/10 | Comfort: 8/10 | Install difficulty: ★★☆☆☆
Estimated cost: $2,600-3,400 (wheels + tires + install)
D Aggressive F 21x10.5J ET27 / R 21x11.5J ET33
Recommended setup: F 21x10.5J ET27 / R 21x11.5J ET33 | Economy impact: -6 to -9% | Best for: Show / occasional track
Appearance: 9/10 | Comfort: 6.5/10 | Install difficulty: ★★★☆☆
Estimated cost: $3,900-5,000 (wheels + tires + install)
E Max Aggressive F 21x10.5J ET25 / R 21x11.5J ET30
Recommended setup: F 21x10.5J ET25 / R 21x11.5J ET30 | Economy impact: -8 to -12% | Best for: Show only
Appearance: 9.5/10 | Comfort: 4/10 | Install difficulty: ★★★★☆
Estimated cost: $4,800-6,200+ (wheels + tires + install)
Performance Comparison Matrix
| Metric | Tier A | Tier B | Tier C | Tier D | Tier E |
|---|---|---|---|---|---|
| Wheel Spec | F 19x9.5J ET35 / R 20x10.0J ET40 | F 20x10.0J ET32 / R 20x10.5J ET38 | F 20x10.0J ET28 / R 20x11.0J ET35 | F 21x10.5J ET27 / R 21x11.5J ET33 | F 21x10.5J ET25 / R 21x11.5J ET30 |
| Economy Impact | Negligible | -2 to -4% | -4 to -6% | -6 to -9% | -8 to -12% |
| Appearance | 7/10 | 8/10 | 8.5/10 | 9/10 | 9.5/10 |
| Comfort | 9.5/10 | 9/10 | 8/10 | 6.5/10 | 4/10 |
| Install Difficulty | ★☆☆☆☆ | ★☆☆☆☆ | ★★☆☆☆ | ★★★☆☆ | ★★★★☆ |
| Cost Range | $1,200-1,500 | $1,950-2,550 | $2,600-3,400 | $3,900-5,000 | $4,800-6,200+ |
| Best For | Daily commuting, family use | Daily / street | Street | Show / occasional track | Show only |
Real-World Reference Cases
The examples below are compiled from typical ANKUSI customer configurations and are labeled as reference cases, not individually verified real-world builds.
Case 1: Daily Driver (Factory-Style)
Profile: Everyday driving, prioritizes comfort and low running cost.
Setup: F 19x9.5J ET35 / R 20x10.0J ET40
Cost: ~$620
Outcome: Minimal visual change, ride and fuel economy essentially unaffected.
Case 2: Balanced Enthusiast (Balanced / Flush Fit)
Profile: Wants a sportier stance without sacrificing daily usability.
Setup: F 20x10.0J ET28 / R 20x11.0J ET35
Cost: ~$3,000
Outcome: Noticeable visual upgrade, fuel economy drop within the expected range.
Case 3: Show Build (Max Aggressive)
Profile: Built primarily for shows or occasional track/show use.
Setup: F 21x10.5J ET25 / R 21x11.5J ET30
Cost: ~$5,500
Outcome: Maximum visual impact; daily comfort and fuel economy are heavily compromised, physical test fit required before production.
Decision Guide
1
What's your primary use? Daily commuting → Tier A/B. Weekend street driving → Tier B/C. Show or occasional track use → Tier D/E.
2
What's your budget? Under $800 → Tier A. $800-3,400 → Tier B/C. $3,400+ → Tier D/E.
3
How much does fuel economy matter? Very important → Tier A. Somewhat important → Tier B/C. Not a priority → Tier D/E.
4
Still unsure? Tier C (Balanced / Flush Fit) is the default choice for most Mercedes-Benz AMG GT43 [UK] owners.
Offset & Backspacing Reference
Backspacing is calculated as wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance):
- OE: F 19x9.5J ET35 → ~6.63″ F backspacing, R 20x10.0J ET40 → ~7.07″ R backspacing
- Flush: F 20x10.0J ET28 → ~6.6″ F backspacing, R 20x11.0J ET35 → ~7.38″ R backspacing
- Max: F 21x10.5J ET25 → ~6.73″ F backspacing, R 21x11.5J ET30 → ~7.43″ R backspacing
Want to check a different width or offset before you order? Use our Offset & Backspacing Calculator to solve the numbers yourself, or looking for your exact Mercedes-Benz spec, or want a wheel built to a custom offset for your Mercedes-Benz AMG GT43 [UK]? Contact ANKUSI with your bolt pattern and offset target and we will confirm the correct forged wheel spec for your build.
Custom Forged Wheels for the Mercedes-Benz AMG GT43 [UK] (2025)
Everything above is reference data. If you want wheels actually built to it, that is what ANKUSI does: we are a forged wheel factory in Guangzhou, China, IATF 16949 and ISO 9001 certified, forging on our own 10,000-ton press and producing over 120,000 wheels a year. Forging blank, CNC machining, finishing, coating and inspection all happen in the same building — nothing is subcontracted and nothing is relabelled from another manufacturer.
Every set is cut to order, so the 5x112 pattern and the 66.6mm centre bore are machined for this car specifically rather than shimmed with adaptor rings. Diameter, width, offset, concavity, monoblock or multi-piece construction and the finish are all yours to choose.
Designs we already tool for the 5x112 pattern — each one is re-cut to your sizes and offsets:
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Mercedes-Benz OEM-Style Gloss Black Mesh Forged Wheels – Mercedes-Benz E-Class W213 / C-Class W206 Fitment (5-Lug)Frequently Asked Questions
What bolt pattern (PCD) does the Mercedes-Benz AMG GT43 [UK] use?
The 2025 Mercedes-Benz AMG GT43 [UK] uses a 5x112 bolt pattern.
How many lug bolts does the Mercedes-Benz AMG GT43 [UK] use?
The Mercedes-Benz AMG GT43 [UK] uses a 5-lug bolt pattern (5x112), so you need a 5-lug forged wheel to bolt straight on.
What is the center bore size on the Mercedes-Benz AMG GT43 [UK]?
The Mercedes-Benz AMG GT43 [UK]'s center bore is 66.6mm. If an aftermarket wheel has a larger center bore than this, hub-centric rings are recommended so the wheel centers on the hub itself rather than relying on the lug bolts alone.
What size are the factory (stock) wheels on the Mercedes-Benz AMG GT43 [UK]?
Factory wheels on the Mercedes-Benz AMG GT43 [UK] are F: 19x9.5J R: 20x10.0J.
What is the biggest wheel size I can fit on my Mercedes-Benz AMG GT43 [UK] without rubbing?
The most aggressive fitment we recommend without fender work is F 21x10.5J ET25 / R 21x11.5J ET30. Going beyond this typically causes rubbing under compression unless you roll the fenders or add camber correction.
What does a flush wheel fitment look like on the Mercedes-Benz AMG GT43 [UK]?
For a flush look with minimal to no rubbing, we recommend F 20x10.0J ET28 / R 20x11.0J ET35 as a starting point on a stock or mildly lowered Mercedes-Benz AMG GT43 [UK].
Do I need wheel spacers for my Mercedes-Benz AMG GT43 [UK]?
No. ANKUSI forges each wheel to your exact target offset, including the flush or max specs above, so you get the correct fitment without stacking spacers. Spacers are typically only used to push out an existing OE-offset wheel without replacing it, which isn't necessary when you're ordering a custom-offset forged wheel.
How do I calculate wheel backspacing for my Mercedes-Benz AMG GT43 [UK]?
Backspacing (in inches) = wheel width (in) ÷ 2 + offset (mm) ÷ 25.4 + 0.5 (flange allowance). For example, the flush spec above works out to roughly 6.6" backspacing up front and 7.38" in the rear.
What's the difference between wheel offset and backspacing?
Offset is the distance in millimeters from the wheel's true centerline to its mounting face (positive offset pulls the wheel in, negative pushes it out). Backspacing is the distance in inches from the mounting face to the back edge of the wheel barrel. They describe the same fitment from two different reference points, which is why ANKUSI lists both above — some shops and tuning guides quote offset, others quote backspacing.
Can I run staggered wheels (different sizes front and rear) on my Mercedes-Benz AMG GT43 [UK]?
Yes — the Mercedes-Benz AMG GT43 [UK]'s factory and our recommended flush/max fitments already use staggered sizing (different width front and rear), and ANKUSI can forge matching staggered sets to your target offsets.
Vehicles With the Same Hub as the Mercedes-Benz AMG GT43 [UK] (5x112, 66.6 mm Bore)
In our database, 823 other vehicle entries from 21 makes use exactly the same 5x112 bolt pattern and 66.6 mm center bore. Factory wheels from these cars bolt on and center on the hub without rings; offset and width still have to be checked.
5x112 is used by 21.6% of the vehicle pages in our English fitment guide (1,407 of 6,503); 58.6% of those also use a 66.6 mm center bore.
Hub-Centric Rings for a 66.6 mm Center Bore
A wheel with a center bore larger than 66.6 mm needs a hub-centric ring. The most common combinations:
| Wheel bore | Ring size |
|---|---|
| 67.1 mm | 67.1 → 66.6 mm |
| 70.1 mm | 70.1 → 66.6 mm |
| 70.5 mm | 70.5 → 66.6 mm |
| 71.6 mm | 71.6 → 66.6 mm |
| 73.1 mm | 73.1 → 66.6 mm |
ANKUSI forged wheels are bored to exactly 66.6 mm for this vehicle, so no ring is needed.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Other cars on the same factory size: 19x9.5 wheels · 19 inch wheels.
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.
Forged Wheel Designs for the Mercedes-Benz AMG GT43 [UK]
Every design below is forged to order, so it can be machined to the Mercedes-Benz AMG GT43 [UK]'s 5x112 bolt pattern and 66.6 mm center bore, with the width and offset calculated for your setup.
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Wheel Installation Reference: Torque, Thread & TPMS
Thread & Fastener: M14x1.5, ball-seat lug bolt.
Factory Torque Spec: 130 Nm (96 ft-lb). Sedan/coupe platforms (E-Class, CLS, SL and similar) generally use the shorter 27mm bolt at this spec.
TPMS: TPMS (Tire Pressure Monitoring System) has been federally mandated on all new light vehicles sold in the US since the 2008 model year. If your wheels use OE-style sensors, have them transferred or cloned to the new wheels at installation.
Tire Pressure: Always set tire pressure to the value on your vehicle's tire placard (driver's doorjamb or glovebox), not the max PSI printed on the tire sidewall — this is trim- and tire-size-specific and stays the same reference point when you switch to a different wheel and tire combination.
Reference data compiled from published OEM service specifications and cross-checked against independent repair sources; always confirm against your owner's manual or door-jamb placard before installation.
Bolt pattern and center bore on this page were cross-checked against at least two independent sources before publication. Last reviewed 2026-09-18. Spotted an error? Email info@ankusi.com and we will verify and correct it.