Porsche
Spec Boxster
メモ
The Porsche Spec Boxster represents a pure, unfiltered approach to grassroots motorsport—a purpose-built race car distilled from one of Porsche’s most celebrated driver’s cars. Based on the 986-generation Boxster, the Spec Boxster class was born from a desire to offer an affordable, reliable, and highly competitive platform for amateur racers. Developed primarily for one-make racing series across North America, the Spec Boxster has quickly become a staple in club racing paddocks, thanks to its balanced mid-engine architecture, robust mechanicals, and the legendary Porsche badge.
At the heart of the Spec Boxster lies Porsche’s revered 2.5-liter naturally aspirated flat-six engine (M96.20). This powerplant, producing a healthy 201 horsepower and 180.32 lb-ft of torque, is mated to a slick-shifting 5-speed manual gearbox, delivering an engaging rear-wheel-drive experience. The engine’s sonorous wail and linear power delivery evoke classic Porsche character, while its reliability and accessibility make it ideal for the rigors of wheel-to-wheel competition. Tipping the scales at just 2,500 pounds, the Spec Boxster offers a power-to-weight ratio that ensures lively acceleration—0 to 60 mph arrives in a respectable 6.7 seconds, with a 149 mph top speed for those rare moments when a long straight beckons.
But the essence of the Spec Boxster isn’t just about straight-line numbers—it’s about handling finesse. The 986 chassis is a masterclass in balance, with its mid-mounted engine delivering near-perfect weight distribution and a low center of gravity. The Spec Boxster rules mandate a standardized suspension setup, utilizing adjustable coilovers, upgraded sway bars, and performance brake pads. This uniformity levels the playing field, placing an even greater emphasis on driver skill and car control. The car’s communicative steering and agile responses make it a favorite among both novices and seasoned racers alike, offering approachable limits and rewarding feedback lap after lap.
Porsche’s motorsport pedigree is woven deeply into the Spec Boxster’s DNA. While the model itself may not have the storied Le Mans victories of its 911 cousins, the Spec Boxster series has carved out a reputation as a proving ground for up-and-coming talent and passionate enthusiasts. Its affordability, durability, and tight competition have fostered a vibrant community, with packed grids and thrilling on-track battles across organizations like PCA, NASA, and SCCA.
What sets the Porsche Spec Boxster apart in its class is its unique blend of accessibility and authenticity. It offers the visceral thrills of a true sports car—mid-engine balance, manual transmission, rear-drive dynamics—wrapped in a package that’s as cost-effective as it is exhilarating. For racers and track day aficionados seeking a genuine connection with the tarmac and the legacy of Weissach engineering, the Spec Boxster delivers an experience that’s pure Porsche, distilled to its racing essence.
オーイーエム仕様
比較対象
ラップタイム
| タイム | トラック | 車 | モッド | ドライバ | タイヤ | ラップデイ | 追加日時 | vs 予測 | 速度 |
|---|---|---|---|---|---|---|---|---|---|
| 1:11.8 | Pocono Raceway (South East option 1 CCW) | レース | 27 Apr, 2026 | 29 May, 2026 | -3.29s | +4.63% | |||
| 1:11.8 | Pocono Raceway (South East option 1 CCW) | レース | 28 Apr, 2025 | 04 Jul, 2025 | -3.26s | +4.58% | |||
| 1:31.8 | Willow Springs Raceway (Big Willow) | レース | 11 Oct, 2023 | 24 Oct, 2023 | -2.2s | +2.43% | |||
| 2:08.3 | Buttonwillow Raceway (1A CW) | レース | 01 Jun, 2025 | 12 Sep, 2025 | -2.13s | +1.66% | |||
| 1:48.6 | Sonoma Raceway (Long) | レース | 29 Jun, 2025 | 12 Sep, 2025 | -1.61s | +1.49% | |||
| 1:30.6 | New Jersey Motorsports Park-NJMP (Thunderbolt) | レース | 28 Jul, 2025 | 15 Oct, 2025 | -1.31s | +1.47% | |||
| 1:41.0 | Laguna Seca (Current) | レース | 20 Oct, 2025 | 30 Oct, 2025 | -1.22s | +1.23% | |||
| 2:03.2 | Thunderhill (East 3 Mile w/ Bypass) | レース | 24 Mar, 2025 | 02 Apr, 2025 | -1.45s | +1.20% | |||
| 1:23.4 | Summit Point Motorsports Park (Main) | レース | 07 Oct, 2025 | 11 Oct, 2025 | -0.44s | +0.54% | |||
| 1:23.7 | Summit Point Motorsports Park (Main) | レース | 06 Oct, 2025 | 15 Oct, 2025 | -0.42s | +0.52% | |||
| 1:41.5 | Laguna Seca (Pre 2023) | レース | 23 Nov, 2020 | 04 May, 2023 | -0.46s | +0.46% | |||
| 1:41.7 | Laguna Seca (Current) | レース | 25 Aug, 2025 | 12 Sep, 2025 | -0.31s | +0.31% | |||
| 1:52.4 | Sonoma Raceway (Long Pre 2024) | レース | 12 Oct, 2021 | 30 Nov, 2024 | -0.26s | +0.24% | |||
| 2:34.7 | Road America (Current) | レース | 01 Sep, 2025 | 12 Sep, 2025 | -0.04s | +0.03% | |||
| 2:09.2 | Eagles Canyon Raceway (2.7 miles CCW) | レース | 26 May, 2025 | 16 Jul, 2025 | +0.01s | -0.01% | |||
| 1:51.7 | Sonoma Raceway (Long) | レース | 03 Jul, 2025 | 16 Jul, 2025 | +0.13s | -0.12% | |||
| 1:42.5 | Laguna Seca (Current) | レース | 26 Aug, 2025 | 11 Oct, 2025 | +0.29s | -0.29% | |||
| 2:05.5 | High Plains Raceway (Full) | レース | 23 Sep, 2025 | 11 Oct, 2025 | +0.59s | -0.48% | |||
| 2:07.7 | Buttonwillow Raceway (1CW) | レース | 15 Dec, 2025 | 10 Jan, 2026 | +0.72s | -0.58% | |||
| 1:24.7 | Summit Point Motorsports Park (Main) | レース | 15 Oct, 2025 | 02 Jan, 2026 | +0.64s | -0.77% | |||
| 2:11.0 | Buttonwillow Raceway (1CCW) | レース | 16 Jun, 2011 | 22 Aug, 2021 | +0.99s | -0.77% | |||
| 1:44.0 | Laguna Seca (Current) | レース | 25 Aug, 2025 | 20 Sep, 2025 | +1.61s | -1.58% | |||
| 1:44.4 | Laguna Seca (Current) | レース | 27 Aug, 2025 | 20 Sep, 2025 | +1.98s | -1.93% | |||
| 1:17.4 | New Jersey Motorsports Park-NJMP (Lightning) | レース | 23 Jun, 2025 | 04 Jul, 2025 | +1.47s | -1.95% | |||
| 2:01.3 | Buttonwillow Raceway (Circuit) | レース | 07 Apr, 2025 | 11 Apr, 2025 | +2.4s | -2.01% | |||
| 2:14.9 | Watkins Glen International (Full Circuit w/ Loop) | レース | 10 Jun, 2025 | 04 Jul, 2025 | +2.7s | -2.04% | |||
| 2:05.3 | Pittsburgh International Race Complex - PittRace (Full Course) | レース | 09 Jul, 2025 | 02 Jan, 2026 | +3.63s | -2.95% | |||
| 1:18.6 | Pocono Raceway (South East option 1 CCW) | レース | 28 Apr, 2025 | 09 May, 2025 | +2.43s | -3.17% | |||
| 2:14.8 | Buttonwillow Raceway (1CCW) | レース | 09 Mar, 2025 | 11 Apr, 2025 | +4.61s | -3.48% | |||
| 1:43.8 | Road Atlanta | レース | 14 Apr, 2025 | 20 Sep, 2025 | +3.99s | -3.92% | |||
| 2:18.0 | Watkins Glen International (Full Circuit w/ Loop) | レース | 08 Jun, 2025 | 26 Jun, 2025 | +5.81s | -4.29% | |||
| 2:47.0 | Sebring (CW) | レース | 25 Apr, 2011 | 02 Aug, 2025 | — | ||||
| 2:08.9 | Buttonwillow Raceway (1A CW) | レース | — | 07 Sep, 2021 | 23 Nov, 2024 | — | — | ||
| 1:32.0 | Willow Springs Raceway (Big Willow) | レース | — | 29 Sep, 2022 | 08 Sep, 2024 | — | — | ||
| 2:10.8 | Eagles Canyon Raceway (2.7 CW) | レース | — | 04 Jul, 2022 | 23 Jan, 2026 | — | — | ||
| 1:31.1 | New Jersey Motorsports Park-NJMP (Thunderbolt) | レース | — | 12 Aug, 2025 | 12 Aug, 2025 | — | — | ||
| 1:31.4 | New Jersey Motorsports Park-NJMP (Thunderbolt) | レース | — | 21 Nov, 2024 | 22 Nov, 2024 | — | — | ||
| 1:38.7 | Road Atlanta | レース | — | 12 Apr, 2025 | 27 Apr, 2025 | — | — | ||
| 2:05.7 | Buttonwillow Raceway (1CW) | レース | 23 May, 2021 | 12 Jan, 2026 | — | — | |||
| 2:27.0 | Sebring (CW) | レース | — | 31 Jan, 2025 | 02 May, 2025 | — | — | ||
| 2:08.0 | Thunderhill (East 3 Mile w/ Cyclone) | レース | — | 27 Apr, 2025 | 29 Apr, 2025 | — | — | ||
| 1:24.6 | Summit Point Motorsports Park (Main) | レース | — | 06 Oct, 2025 | 11 Oct, 2025 | — | — | ||
| 2:10.5 | Virginia International Raceway - VIR (Full Course) | レース | — | 22 Mar, 2025 | 27 Apr, 2025 | — | — | ||
| 2:28.6 | Sebring (CW) | レース | — | 02 Feb, 2025 | 26 Apr, 2025 | — | — | ||
| 2:12.8 | Watkins Glen International (Full Circuit w/ Loop) | レース | — | 10 Jun, 2025 | 14 Jun, 2025 | — | — | ||
| 2:11.5 | Virginia International Raceway - VIR (Full Course) | レース | — | 25 Mar, 2025 | 02 May, 2025 | — | — | ||
| 2:13.5 | Watkins Glen International (Full Circuit w/ Loop) | レース | — | 10 Jun, 2025 | 13 Jun, 2025 | — | — | ||
| 2:11.7 | Virginia International Raceway - VIR (Full Course) | レース | — | 22 May, 2025 | 27 May, 2025 | — | — |
修正済み 車
| 年 | ドライバ お名前 | モッド | 馬力 | タイヤ | タイヤサイズ | Vs 予測 |
|---|---|---|---|---|---|---|
| 1998 | Alex Filsinger | Race | 201 | — | — | -1.3s |
| 1998 (spec) | Mark Polunin | Race | 201 | 1 Slicks | 205/55/16 / 225/50/16 | -1.22s |
| 1997 | Aidan Meek | Stock | — | — | — | -0.52s |
| 1998 (w/PSP) | Matt Million Racing | Race | — | 220 Pilot Sport PS2 | 235/40/19 / 265/40/19 | +0.66s |
| 1998 (JaredR/ToyoR) | Jared Rodeheaver | Race | 201 | 40 Proxes RR | 225/45/17 / 255/40/17 | +1.31s |
| 1998 (calimanusa/Race) | calimanusa | Race | 201 | — | — | +1.55s |
| 1999 (JohnM/Race) | John Momeyer | Race | 280 | 40 R7 | 245/35/18 / 275/35/18 | +1.75s |
| 1998 (RobWalker/Race) | Rob Walker | Race | 201 | — | — | +1.81s |
| 1998 (StreetW/Race) | Streetwerks Motorsports | Race | 201 | 100 R888R | 225/40/18 / 265/35/18 | +1.93s |
| 1998 (Throttle//Race) | Throttle911 | Race | 201 | — | — | +2.12s |
| 1998 (Dom/ToyoR) | DomTheBomb | Race | 201 | 40 Proxes RR | 225/40/18 / 255/35/18 | +2.61s |
| 1997 | Joe Wiederholt | Race | — | 40 Proxes RR | 255/40/17 | +2.86s |
| 1998 (JohnH/Race) | John Haas | Race | 201 | 40 Proxes RR | 245/40/17 / 275/40/17 | +4.32s |
| 1998 (TextVending/Race) | TextVending Racing | Race | 201 | 1 Slicks | 225/40/18 / 265/35/18 | +4.45s |
| 1999 | Streetwerks Motorsports | Race | — | — | — | — |
| 1998 (TBSports//ToyoRR) | TBSports | Race | 201 | 40 Proxes RR | 235/40/18 / 265/40/18 | — |
| 1998 (ChrisK/Race) | Chris Keefer | Race | 201 | 40 Proxes RR | 245/40/17 / 275/40/17 | — |
| 1999 | Brian Harnish | Race | — | 40 Proxes RR | 255/40/17 | — |
| 1998 (Orthojoe/Race) | Orthojoe | Race | 201 | 40 Proxes RR | — | — |
| 1998 | Teddy Framhein | Race | 201 | 40 Proxes RR | 255/40/17 | — |
| 1997 | Teddy Framhein | Race | — | 40 Proxes RR | — | — |
| 1997 | Kevin Hansel | Race | — | 40 A7 | — | — |
人気タイヤサイズ
| サイズフロント | サイズリア | 速度 | ラップ |
|---|---|---|---|
| 245/40/18 | 275/40/18 | — | 0 |
| 245/35/18 | 275/35/18 | — | 0 |
| 205/55/16 | 225/50/16 | +1.29% | 1 |
| 255/40/17 | 255/40/17 | -1.91% | 1 |
| 235/40/18 | 265/40/18 | +1.75% | 1 |
| 245/35/17 | 275/35/17 | -0.6% | 1 |
| 225/40/18 | 255/35/18 | -1.72% | 1 |
| 235/40/19 | 265/40/19 | -2.57% | 1 |
| 205/50/16 | 255/40/17 | +0.08% | 2 |
| 245/40/17 | 275/40/17 | -3.08% | 2 |
| 245/35/18 | 245/35/18 | -0.27% | 4 |
| 225/40/18 | 265/35/18 | -1.36% | 6 |
| 225/45/17 | 255/40/17 | -0.17% | 7 |