
Post Written By Jackson Briar
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The Porsche Boxster, introduced in 1996, is a mid-engine, two-seater roadster that has become a cornerstone of Porsche's sports car lineup, later joined by the Cayman coupe in 2005.
Over its production, the Boxster has seen significant performance evolution, starting with a 2.7L flat-six engine producing 217 horsepower in 2002.
By 2025, the lineup includes a 4.0L flat-six delivering 394 horsepower and 317 lb-ft of torque, paired with a 7-speed Porsche Doppelkupplung (dual-clutch) transmission.
The 718 models, introduced in 2016, also feature turbocharged 2.0L engines, offering 300 horsepower and 280 lb-ft of torque in the Style Edition Roadster.
These advancements highlight Porsche's commitment to blending power and precision in a compact sports car.
Scroll down to see the full horsepower and torque data below.
Check out the Horsepower And Torque specifications for other makes and models.
The 718-generation Porsche Boxster introduced turbocharged flat-4 engines, offering 2.0L and 2.5L configurations with power outputs ranging from 300 hp to 365 hp, the latter featuring Variable Turbine Geometry (VTG) in the S models.
In 2020, the GTS 4.0 variant reintroduced a naturally aspirated 4.0L flat-6 engine, delivering 394 hp and 317 lb-ft of torque, paired with a standard 6-speed manual or optional 7-speed Porsche Doppelkupplung (PDK).
A standout innovation is the GT4 RS model, equipped with a 4.0L flat-6 derived from the 911 GT3, producing 500 hp and achieving a Nürburgring lap time 23 seconds faster than the GT4.
The 2025 Porsche Boxster features a horsepower range from 300 hp with the 2.0L engine to 394 hp with the 4.0L engine.
Torque output varies from 280 lb-ft with the 2.0L engine to 317 lb-ft with the 4.0L engine, both utilizing a rear-wheel-drive configuration and a 7-speed Porsche Doppelkupplung (PDK) transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| 718 GTS 4.0 Roadster Luxury | 4.0L | Flat 6 Cyl. | 7 Spd Porsche Doppelkupplung (Pdk) | RWD | 394 hp @ 7,000 rpm | 317 ft-lbs @ 5,500 rpm |
| 718 Roadster Luxury | 2.0L | Turbo | Flat 4 Cyl. | 7 Spd Porsche Doppelkupplung (Pdk) | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
| 718 S Roadster Luxury | 2.5L | Turbo | Flat 4 Cyl. | 7 Spd Porsche Doppelkupplung (Pdk) | RWD | 350 hp @ 6,500 rpm | 309 ft-lbs @ 1,900 rpm |
| 718 Style Edition Roadster Luxury | 2.0L | Turbo | Flat 4 Cyl. | 7 Spd Porsche Doppelkupplung (Pdk) | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
The 2024 Porsche Boxster features a horsepower range from 300 hp with the 2.0L engine to 394 hp with the 4.0L engine, both utilizing a rear-wheel-drive configuration.
Torque output varies from 280 lb-ft with the 2.0L engine to 309 lb-ft with the 4.0L engine, with all models equipped with a 6-speed manual transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| 718 GTS 4.0 Roadster Convertible | 4.0L | Flat 6 Cyl. | 6 Spd Manual | RWD | 394 hp @ 7,000 rpm | 309 ft-lbs @ 5,000 rpm |
| 718 Roadster Convertible | 2.0L | Turbo | Flat 4 Cyl. | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
| 718 S Roadster Convertible | 2.5L | Turbo | Flat 4 Cyl. | 6 Spd Manual | RWD | 350 hp @ 6,500 rpm | 309 ft-lbs @ 1,900 rpm |
| 718 Style Edition Roadster Convertible | 2.0L | Turbo | Flat 4 Cyl. | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
The 2023 Porsche Boxster features a horsepower range from 300 hp with the base engine to 394 hp with the 4.0-liter engine.
Torque output varies from 280 lb-ft with the base engine to 309 lb-ft with the 4.0-liter engine.
All configurations utilize a 6-speed manual transmission and a rear-wheel-drive drivetrain.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| 718 GTS 4.0 Roadster | H6 | 6 Spd Manual | RWD | 394 hp @ 7,000 rpm | 309 ft-lbs @ 5,000 rpm |
| 718 Base Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
| 718 S Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 350 hp @ 6,500 rpm | 309 ft-lbs @ 1,900 rpm |
| 718 T Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
The 2022 Porsche Boxster features a horsepower range from 300 hp with the base engine to 394 hp with the higher-output variant, both utilizing a 6-speed manual transmission and a rear-wheel-drive configuration.
Torque output varies from 280 lb-ft with the base engine to 309 lb-ft with the more powerful variant, maintaining the same drivetrain and transmission setup across the range.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| 718 25 Years Roadster | H6 | 6 Spd Manual | RWD | 394 hp @ 7,000 rpm | 309 ft-lbs @ 5,000 rpm |
| 718 GTS 4.0 Roadster | H6 | 6 Spd Manual | RWD | 394 hp @ 7,000 rpm | 309 ft-lbs @ 5,000 rpm |
| 718 Base Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
| 718 S Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 350 hp @ 6,500 rpm | 309 ft-lbs @ 1,900 rpm |
| 718 T Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
The 2021 Porsche Boxster features a horsepower range from 300 hp with the 718 H4 engine to 394 hp with the 718 25 Years H6 engine.
Torque output varies from 280 lb-ft with the 718 H4 to 309 lb-ft with the 718 25 Years H6.
Both configurations utilize a rear-wheel-drive layout and are paired with a 6-speed manual transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| 718 25 Years H6 Roadster | H6 | 6 Spd Manual | RWD | 394 hp @ 7,000 rpm | 309 ft-lbs @ 5,000 rpm |
| 718 GTS H6 Roadster | H6 | 6 Spd Manual | RWD | 394 hp @ 7,000 rpm | 309 ft-lbs @ 5,000 rpm |
| 718 H4 Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
| 718 S H4 Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 350 hp @ 6,500 rpm | 309 ft-lbs @ 1,900 rpm |
| 718 T H4 Roadster | Intercooled Turbo | H4 | 6 Spd Manual | RWD | 300 hp @ 6,500 rpm | 280 ft-lbs @ 1,950 rpm |
The 2016 Porsche Boxster is equipped with a 3.8L H6 engine producing a consistent output of 375 horsepower and 310 lb-ft of torque.
This model features a rear-wheel-drive configuration and is paired with a 6-speed manual transmission with overdrive.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Spyder H6 Roadster | 3.8L | H6 | 6 Spd Manual w/OD | RWD | 375 hp @ 6,700 rpm | 310 ft-lbs @ 4,750 rpm |
The third-generation Porsche Boxster (981, 2012–2016) introduced a range of flat-6 engines, including a 2.7L (255 hp, 206 lb-ft) and a 3.4L (up to 330 hp, 273 lb-ft), paired with either a 6-speed manual or a reworked 7-speed dual-clutch PDK (Porsche Doppelkupplung).
The 2015 GT4 variant featured a 3.8L engine producing 375 hp and 310 lb-ft, derived from the 991.1 Carrera S, exclusively mated to a 6-speed manual.
Notable advancements included Porsche Torque Vectoring (PTV) and the Sport Chrono Package, enhancing performance across the lineup.
The 2016 Porsche Boxster is equipped with a 3.8L H6 engine producing a consistent output of 375 horsepower and 310 lb-ft of torque.
This model features a rear-wheel-drive configuration and is paired with a 6-speed manual transmission with overdrive.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Spyder H6 Roadster | 3.8L | H6 | 6 Spd Manual w/OD | RWD | 375 hp @ 6,700 rpm | 310 ft-lbs @ 4,750 rpm |
The 2013 Porsche Boxster features a horsepower range from 265 hp with a 2.7L Flat-6 engine to 315 hp with a 3.4L Flat-6 engine.
Torque output varies from 206 lb-ft with the 2.7L engine to 266 lb-ft with the 3.4L engine.
Both engine configurations are paired with a 6-speed manual transmission and utilize a rear-wheel drive (RWD) drivetrain layout.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.7L | Flat-6 | 6 Spd Manual | RWD | 265 hp @ 6,700 rpm | 206 ft-lbs |
| S Roadster | 3.4L | Flat-6 | 6 Spd Manual | RWD | 315 hp @ 6,700 rpm | 266 ft-lbs |
The Porsche Boxster features a performance range with horsepower from 255 hp generated by a 2.9L Flat-6 engine to 320 hp produced by a 3.4L Flat-6 engine.
Torque output varies from 214 lb-ft with the 2.9L engine to 273 lb-ft with the 3.4L engine, both utilizing a rear-wheel-drive configuration and a 6-speed manual transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.9L | Flat-6 | 6 Spd Manual | RWD | 255 hp @ 6,400 rpm | 214 ft-lbs |
| S Roadster | 3.4L | Flat-6 | 6 Spd Manual | RWD | 310 hp @ 6,400 rpm | 266 ft-lbs |
| Spyder Roadster | 3.4L | Flat-6 | 6 Spd Manual | RWD | 320 hp @ 7,200 rpm | 273 ft-lbs @ 4,750 rpm |
The 2011 Porsche Boxster features a performance range with horsepower from 255 hp generated by a 2.9L Flat 6-cylinder engine to 320 hp produced by a 3.4L Flat 6-cylinder engine.
Torque output varies from 214 lb-ft with the 2.9L engine to 273 lb-ft with the 3.4L engine, both utilizing a rear-wheel-drive configuration and a 6-speed manual transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.9L | Flat 6-cyl | 6 Spd Manual | RWD | 255 hp @ 6,400 rpm | 214 ft-lbs |
| S Roadster | 3.4L | Flat 6-cyl | 6 Spd Manual | RWD | 310 hp @ 6,400 rpm | 266 ft-lbs |
| Spyder Roadster | 3.4L | Flat 6-cyl | 6 Spd Manual | RWD | 320 hp @ 7,200 rpm | 273 ft-lbs @ 4,750 rpm |
The Porsche Boxster features a performance range with horsepower from 255 hp generated by a 2.9L flat 6-cylinder engine to 310 hp produced by a 3.4L flat 6-cylinder engine.
Torque output varies from 214 lb-ft with the 2.9L engine to 266 lb-ft with the 3.4L engine.
Both engine configurations are paired with a 6-speed manual transmission and utilize a rear-wheel drive drivetrain layout.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.9L | Flat 6-cyl | 6 Spd Manual | RWD | 255 hp @ 6,400 rpm | 214 ft-lbs |
| S Roadster | 3.4L | Flat 6-cyl | 6 Spd Manual | RWD | 310 hp @ 6,400 rpm | 266 ft-lbs |
The Porsche Boxster features a performance range with horsepower from 255 hp generated by a 2.9L flat 6-cylinder engine to 310 hp produced by a 3.4L flat 6-cylinder engine.
Torque output varies from 214 lb-ft with the 2.9L engine to 266 lb-ft with the 3.4L engine.
Both engine configurations are paired with a 6-speed manual transmission and utilize a rear-wheel drive drivetrain.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.9L | Flat 6-cyl | 6 Spd Manual | RWD | 255 hp @ 6,500 rpm | 214 ft-lbs |
| S Roadster | 3.4L | Flat 6-cyl | 6 Spd Manual | RWD | 310 hp @ 6,250 rpm | 266 ft-lbs |
The 2008 Porsche Boxster features a power output ranging from 245 hp with a 2.7L Flat 6-cylinder engine to 303 hp with a 3.4L Flat 6-cylinder engine. Torque specifications vary from 201 lb-ft with the 2.7L engine to 251 lb-ft with the 3.4L engine. The vehicle is equipped with a rear-wheel drive configuration and offers a choice between a 5-speed manual and a 6-speed manual transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| RS60 Limited Edition | 3.4L | Flat 6-cyl | 6 Spd Manual | RWD | 303 hp | 251 ft-lbs |
| Base Roadster | 2.7L | Flat 6-cyl | 5 Spd Manual | RWD | 245 hp @ 6,500 rpm | 201 ft-lbs |
| S Roadster | 3.4L | Flat 6-cyl | 6 Spd Manual | RWD | 295 hp @ 6,250 rpm | 251 ft-lbs |
The 2007 Porsche Boxster features a horsepower range from 245 hp with a 2.7L Flat 6-cylinder engine to 295 hp with a 3.4L Flat 6-cylinder engine.
Torque output varies from 201 lb-ft with the 2.7L engine to 251 lb-ft with the 3.4L engine.
Both engine configurations are paired with a rear-wheel-drive layout, utilizing a 5-speed manual transmission for the 2.7L and a 6-speed manual transmission for the 3.4L.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.7L | Flat 6-cyl | 5 Spd Manual | RWD | 245 hp @ 6,500 rpm | 201 ft-lbs |
| S Roadster | 3.4L | Flat 6-cyl | 6 Spd Manual | RWD | 295 hp @ 6,250 rpm | 251 ft-lbs |
The 2006 Porsche Boxster features a power output range of 240 hp from its 2.7L flat 6-cylinder engine to 280 hp from the 3.2L flat 6-cylinder engine.
Torque varies from 199 lb-ft with the 2.7L engine to 236 lb-ft with the 3.2L engine.
Both engine configurations are paired with a rear-wheel-drive layout, utilizing a 5-speed manual transmission for the 2.7L and a 6-speed manual transmission for the 3.2L.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.7L | Flat 6-cyl | 5 Spd Manual | RWD | 240 hp @ 6,400 rpm | 199 ft-lbs |
| S Roadster | 3.2L | Flat 6-cyl | 6 Spd Manual | RWD | 280 hp @ 6,200 rpm | 236 ft-lbs |
The 2005 Porsche Boxster features a power output range of 240 hp from its 2.7L flat 6-cylinder engine to 280 hp from the 3.2L flat 6-cylinder engine.
Torque varies from 199 lb-ft with the 2.7L engine to 236 lb-ft with the 3.2L engine.
Both engine configurations are paired with a rear-wheel-drive layout, utilizing a 5-speed manual transmission for the 2.7L and a 6-speed manual transmission for the 3.2L.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.7L | Flat 6-cyl | 5 Spd Manual | RWD | 240 hp @ 6,400 rpm | 199 ft-lbs |
| S Roadster | 3.2L | Flat 6-cyl | 6 Spd Manual | RWD | 280 hp @ 6,200 rpm | 236 ft-lbs |
The 1996-2004 Porsche Boxster (986) featured a mid-engine layout with a water-cooled, flat-six engine, marking a departure from Porsche's traditional air-cooled designs.
Engine options ranged from a 2.7L producing 217 hp and 192 lb-ft of torque to a 3.2L delivering 264 hp and 229 lb-ft, paired with either a 5-speed or 6-speed manual transmission, all driving the rear wheels.
A key innovation was the shared M96 engine architecture with the 996, enabling cost efficiencies while maintaining performance.
The 2004 Porsche Boxster features a horsepower range from 228 hp with a 2.7L Flat 6-cylinder engine to 264 hp with a 3.2L Flat 6-cylinder engine.
Torque output varies from 192 lb-ft with the 2.7L engine to 229 lb-ft with the 3.2L engine.
Both engine configurations are paired with a rear-wheel-drive layout and a choice of a 5-speed or 6-speed manual transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.7L | Flat 6-cyl | 5 Spd Manual | RWD | 228 hp @ 6,300 rpm | 192 ft-lbs @ 4,750 rpm |
| S Roadster | 3.2L | Flat 6-cyl | 6 Spd Manual | RWD | 258 hp @ 6,250 rpm | 229 ft-lbs @ 4,500 rpm |
| S Anniversary Roadster | 3.2L | Flat 6-cyl | 6 Spd Manual | RWD | 264 hp @ 6,250 rpm | 229 ft-lbs @ 4,500 rpm |
The 2003 Porsche Boxster features a 2.7L flat 6-cylinder engine producing 228 hp and 192 lb-ft of torque, while the 3.2L flat 6-cylinder engine increases output to 258 hp and 229 lb-ft of torque.
Both engine configurations are paired with a rear-wheel-drive layout, utilizing a 5-speed manual transmission for the 2.7L engine and a 6-speed manual transmission for the 3.2L engine.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.7L | Flat 6-cyl | 5 Spd Manual | RWD | 228 hp @ 6,300 rpm | 192 ft-lbs @ 4,750 rpm |
| S Roadster | 3.2L | Flat 6-cyl | 6 Spd Manual | RWD | 258 hp @ 6,250 rpm | 229 ft-lbs @ 4,500 rpm |
The 2002 Porsche Boxster features a 2.7L Flat 6-cylinder engine producing 217 hp and 192 lb-ft of torque, while the 3.2L Flat 6-cylinder engine increases output to 250 hp and 225 lb-ft of torque.
Both engine configurations are paired with a rear-wheel drive layout, with the 2.7L engine utilizing a 5-speed manual transmission and the 3.2L engine equipped with a 6-speed manual transmission.
| Trim | Engine | Transmission | Drivetrain | Horsepower @ RPM | Torque @ RPM |
|---|---|---|---|
| Base Roadster | 2.7L | Flat 6-cyl | 5 Spd Manual | RWD | 217 hp @ 6,500 rpm | 192 ft-lbs @ 4,500 rpm |
| S Roadster | 3.2L | Flat 6-cyl | 6 Spd Manual | RWD | 250 hp @ 6,250 rpm | 225 ft-lbs @ 4,500 rpm |

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