2024 Subaru Outback Transmission & Axle Gear Ratios
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Transmission gear ratios
The 2024 Subaru Outback offers a continuously variable transmission (CVT) across all trims, with two distinct versions depending on the engine. Both CVTs are designed to provide a smooth, efficient driving experience by constantly adjusting the gear ratio to optimize engine performance.
Lineartronic CVT (2.5L H4 Engine)
This CVT is paired with the naturally aspirated 2.5-liter Boxer engine, focusing on fuel efficiency and smooth power delivery.
| Gear | Ratio |
|---|---|
| Forward | 3.238 - 0.528 |
| Reverse | 3.738 |
The "Forward" ratio represents the continuously variable range, meaning the transmission can operate anywhere between 3.238 (effectively 1st gear) and 0.528 (effectively top overdrive gear). The system simulates 8 gears through stepped ratio changes for a more traditional feel under certain driving conditions.
Lineartronic CVT (2.4L Turbo H4 Engine)
For the more powerful 2.4-liter turbocharged Boxer engine, a high-torque Lineartronic CVT is used, designed to handle the increased power output while still offering excellent efficiency.
| Gear | Ratio |
|---|---|
| Forward | 4.066 - 0.505 |
| Reverse | 4.043 |
Similar to the 2.5L version, the "Forward" ratio indicates the continuous range. This CVT also features simulated steps for 8-speed manual mode, providing a sportier driving experience with the turbocharged engine.
Available axle ratios
The 2024 Subaru Outback utilizes a single final drive ratio across all engine and transmission combinations. This simplifies identification and ensures consistent performance characteristics for each powertrain.
| Ratio | Available With (engine/trim/package) | RPO/Axle Code | Best For |
|---|---|---|---|
| 3.900 | All (2.5L H4, 2.4L Turbo H4) | N/A (Integrated into drivetrain spec) | Balanced (Towing, Fuel Economy, Performance) |
Subaru's symmetrical all-wheel drive system integrates the front and rear differentials with this consistent final drive ratio, ensuring optimal power distribution and traction.
How to identify your axle ratio
Unlike traditional truck or SUV applications where axle ratios can vary significantly and are often identified by specific codes on door jamb stickers or axle tags, the 2024 Subaru Outback
More specs for the 2024 Subaru Outback
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2024 Subaru Outback Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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Values can vary by engine, trim and build date; check your VIN-specific service information. Updated 2026-06-26.