GT vs Formula Wheel Rims: Which Style to Pick

What the words GT and Formula mean on a wheel listing

On a racing wheel listing, the rim style is usually stated near the model name. GT stands for Grand Touring and points to rims modeled after sports and touring car steering wheels, the kind you find in GT3, endurance, and road car racing. Formula points to open-wheel single-seater race cars, the cars used in Formula 1 and similar series.

The two styles appear as separate product lines on maker sites. Thrustmaster sells a GT Wheel Add-On described as the official Gran Turismo wheel rim, and a Formula Wheel Add-On Ferrari SF-25 Edition described as an official life-size replica of the Ferrari SF-25 steering wheel. Fanatec organizes its wheel categories around Formula, GT, Rally, and Drift, with a quick release so one base can take different rims.

When you read a title, words like “GT”, “Formula”, “round”, or “flat top” tell you the rim style. See the articles on GT rim features and formula style benefits for more detail.

• GT in a title points to a round or D-shaped rim for touring and sports cars
• Formula in a title points to a flat-top rim for open-wheel cars
• F1 style or single-seater style are other common listing words for a Formula rim

How the rim shape differs

The clearest difference is the shape of the rim. A GT rim is round or slightly D-shaped, like the steering wheel of a road car or a GT racing car. The top of the rim is a full circle, so the wheel can be turned hand-over-hand in cars with a large steering range. A Formula rim is flat at the top and closer to a rectangle or square. The grips sit horizontally, and the center is smaller and lower.

The shape follows the car type. Formula cars are driven with a small, flat-top wheel because the driver sits low and the steering range is short. GT cars use a round or D-shaped wheel because the steering range is larger and the driver sits more upright. In sim racing terms, the difference appears when you turn more than a hand's width: a GT rim lets your hands cross over the top, while a Formula rim does not.

For more on how the flat or round shape affects use, see the articles on D-shaped versus round rims and rim shape for time attack.

Button layout and controls

The two rim styles also differ in where the controls sit. A GT rim usually keeps buttons and switches in the center of the rim or on a central panel, with a few paddles behind the rim. A Formula rim spreads more controls across the horizontal spokes so that your thumbs reach buttons, rotary switches, and encoders while your hands stay in one position.

On a Formula rim, you typically get a denser cluster of controls: buttons for menu navigation, fuel mix, brake balance, and rotary encoders for settings you adjust mid-race. On a GT rim, the layout is simpler, with a smaller button count and the main controls in the center. This is a general pattern, not a rule; the specific layout depends on the maker and the model.

The articles on button count and symmetric versus asymmetric button layout explain how to read a listing for control density.

Ergonomics and the driving position

Ergonomics is about how the rim matches your hands and the driving position. A GT rim expects a seating angle similar to a road car or GT racer: relatively upright, with the hands at roughly 9 and 3 o'clock. A Formula rim expects a more reclined seating position, with the hands lifted to a horizontal grip that matches the flat top and squared corners of the rim.

The practical difference is in how the hands wrap around the rim. On a GT rim, the round shape lets you move your hands around the wheel for different corners and hand-over-hand turns. On a Formula rim, the flat top and horizontal grips keep your hands in one place, closer to the buttons, because the steering range of a formula car is short.

Which cars and games each rim style suits

Choose the rim style that matches the cars you drive most. If you drive GT3, endurance, touring cars, or normal road cars, a GT rim matches the real car's steering wheel. If you drive formula cars and single-seaters, a Formula rim matches the open-wheel cockpit and the flat-top wheel.

Many sim titles cover both GT and formula cars. A GT rim is the more universal pick because it works visually for every car with a round wheel, which is most road and racing cars. A Formula rim is the more specific pick, best if formula cars are your main series. If you want both, look for a wheel base with a quick release so you can switch rims for different cars.

For guidance on the racing wheel itself, see the main racing wheel reviews that compare stated details across models.

Switching between GT and Formula rims

Some wheel bases accept multiple rims. The base comes with a quick release or a standard connection, and you can mount a GT rim, a Formula rim, a rally rim, or a drift rim on the same base. Fanatec's site describes this as switching wheels in seconds to match the demands of every car and circuit.

If you plan to own both styles, check that the base has a quick release and that the rim you want is sold separately. Some bundles include a rim with the base; some bases are sold without a rim. Logitech G's product types include steering wheels, wheel bases, and complete driving systems, so you can see what each bundle contains. The maker's compatibility list tells you which rims fit which base.

The articles on interchangeable rims and quick release systems explain what to look for in a listing.

What to pick for your situation

Questions

Is a GT rim or a Formula rim better for sim racing?

Neither is universally better. The two styles answer different cars. A GT rim matches GT3, touring, endurance, and road cars; a Formula rim matches formula and open-wheel cars. Pick the style that matches the cars you drive most.

Can I switch between GT and Formula rims on the same base?

Some wheel bases accept multiple rims through a quick release or a standard connection. Check the maker's compatibility list to confirm that the base and rim share the same connection.

Why do Formula rims have a flat top?

Formula wheels are flat at the top because formula cars have a short steering range and the driver sits low. A flat top keeps the rim compact, and it matches the horizontal grip the driver uses.

Do GT rims work for formula racing games?

A GT rim works in any game, but it will not match the look of a formula car cockpit. Many sim racers use a GT rim for a mix of cars and a Formula rim for single-seaters.

Which rim style has more buttons?

Formula rims generally have more buttons and rotary switches placed on the horizontal grips for thumb reach. GT rims usually have a smaller, center-based control cluster. The exact count depends on the model.

Is a GT rim more comfortable?

Comfort depends on your driving position and the car type. A GT rim suits a more upright position; a Formula rim suits a reclined cockpit. Matching the rim to the seat angle looks more natural in the driving view.