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911 Carrera RSR 3.8

911 Carrera RSR 3.8

1993–1994Coupé

The RSR 3.8 was a factory-built competition car, not a road model, delivered to privateers in “just add driver” form. Each standard 964 shell was seam-welded and sent to Matter for a fully triangulated roll cage; the running gear went to Uniball joints, fully adjustable Bilstein dampers and adjustable anti-roll bars, on 18-inch centre-lock Speedline wheels with Turbo S brakes and retuned racing ABS. A one-piece fibreglass engine lid carried the rear wing assembly. Porsche's works car debuted at the 1993 12 Hours of Sebring and finished seventh overall and first in class with Brumos; the following year a 993-based 3.6 twin-turbo version run by Larbre Compétition won the 24 Hours of Daytona class and took four outright wins. The RSR programme pointed directly at the 993 GT2.

SpecificationsSound: Porsche 911 R (1967)Edvvc · CC BY-SA 3.0 · Commons (opens in a new tab)

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Specification plate

Numbers as published

Every figure below is quoted from the sources listed at the foot of the page. A dash means the number was never published — it is never estimated.

Engine

3,746 cc

M64/04 air-cooled flat-six, dry-sump, single ignition, Bosch electronic fuel injection, 11.4:1

Power

Porsche claimed 325 hp @ 6,900 rpm; 375 bhp unrestricted and 360 bhp with the 48 mm Le Mans restrictor (contemporaneous observers considered the official figure conservative)

0–100 km/h

0–97 km/h (60 mph) 3.7 s

Top speed

291 km/h

181 mph)

Weight

1,213 kg

2,673 lb) dry

Drivetrain

Rear-wheel drive

Transmission

5-speed manual transaxle

Production

51 including

the prototype (Gooding, RM Sotheby's, classic.com); Stuttcars lists 45

Body styles

Coupé

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Paint

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Wheels
StockSportTurbo

No 3D model on file for this variant yet.

Gallery

7 views of the Carrera RSR 3.8

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Watch

4 films on the Carrera RSR 3.8

Variant-specific films first, then the curated set for the generation. Every player is an embed that loads on click.

  • Generation · MotorWeek

    1989 Porsche 911 Carrera 4 | Retro Review

    Jay Leno-era retrospective drive of the first AWD 911

  • Generation · Number 27

    From Most Hated to Most Loved, Is Porsche's 964 Now Overhyped?

    balanced verdict on whether the 964 deserved its reputation

  • Generation · Petrolicious

    1992 Porsche 964 Carrera RS: Rituals of Rennsport

    92 RS 3.8 in period trim, and what 'Rennsport' meant

  • Generation · MotorWeek

    1994 Porsche 911 Turbo 3.6 | Retro Review

    the 3.6 turbo that made air-cooled Porsches mainstream

Compare

Set it against its neighbours

911 RS America1993–1994Same body, same era911 Carrera RS 3.81993Same body, same era911 Turbo 3.61993–1994Same body, same era
Compact specification comparison between the 911 Carrera RSR 3.8 and 911 RS America, 911 Carrera RS 3.8, 911 Turbo 3.6
Spec911 Carrera RSR 3.81993–1994911 RS America1993–1994911 Carrera RS 3.81993911 Turbo 3.61993–1994
Years1993–19941993–199419931993–1994
Engine3,746 cc M64/04 air-cooled flat-six, dry-sump, single ignition, Bosch electronic fuel injection, 11.4:13.6 L M64/01 air-cooled flat-six, twin-spark plug ignition, three-way catalytic converter3,746 cc M64/04 air-cooled flat-six, bore increased 2 mm, 11.6:1, individual throttle bodies, modified exhaust3.6 L M64/50 air-cooled turbo flat-six, twin-spark plug ignition, 7.5:1, K27 turbocharger
PowerPorsche claimed 325 hp @ 6,900 rpm; 375 bhp unrestricted and 360 bhp with the 48 mm Le Mans restrictor (contemporaneous observers considered the official figure conservative)250 PS300 PS360 PS
0–100 km/h0–97 km/h (60 mph) 3.7 s0–97 km/h (60 mph) 4.6 s (Car and Driver, November 1992); 0–100 mph (0–161 km/h) 11.6 s0–97 km/h (60 mph) 4.9 s0–97 km/h (60 mph) 4.0 s and 0–100 mph (0–161 km/h) 9.2 s (Car and Driver, May 1993); 0–100 km/h 4.7 s (Stuttcars)
Top speed291 km/h255 km/h274 km/h289 km/h
Weight1,213 kg1,340 kg1,210 kg1,466 kg
DrivetrainRear-wheel driveRear-wheel driveRear-wheel drive; asymmetric limited-slip differentialRear-wheel drive; ZF clutch-type limited-slip differential
Transmission5-speed manual transaxle5-speed Getrag G50 manual5-speed G50/10 manual with closer ratios and steel synchromesh; lightened flywheel5-speed Getrag G50 manual
Body styles — identical across all carsCoupéCoupéCoupéCoupé
Production51 including the prototype (Gooding, RM Sotheby's, classic.com); Stuttcars lists 45701 across the 1993 and 1994 model years, in red, black or white plus optional Midnight Blue Metallic and Polar Silver, plus four colour-to-sample cars in Ferrari Yellow (one for the New York Auto Show)55, of which 11 were built with the Clubsport (M003) package1,437 (Eberhard Kittler via Wikipedia); supercars.net splits it as 650 for 1993 plus 843 for 1994 = 1,493
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Sources (5)

  1. Porsche 911 Carrera 3.8 RSR (1993–1994) — Stuttcars (opens in a new tab)
  2. Porsche 911 (964) — Wikipedia (opens in a new tab)
  3. 1993 Porsche 911 Carrera RSR 3.8 | Miami 2026 — RM Sotheby's (opens in a new tab)
  4. 1993 Porsche 911 Turbo S Le Mans GT — Porsche Motorsport history (opens in a new tab)
  5. Porsche 911 Carrera RSR 3.8 — CLASSIC.COM (opens in a new tab)

What the sources do not settle (4)

  • Production total conflicts: 51 including the prototype (Gooding, RM Sotheby's, classic.com) vs 45 (Stuttcars). Both recorded.
  • Output is not a single figure: Porsche claimed 325 hp @ 6,900 rpm, race reports cite 375 bhp unrestricted and 360 bhp with the 48 mm restrictor, and 325–350 hp depending on series. powerPs/powerKw are left null rather than picking one.
  • No verified torque figure for the RSR 3.8; left null.
  • The 1994 car was privately run by Larbre Compétition with a 993-based 3.6 twin-turbo rather than the works 3.2 twin-turbo of 1993 (475 hp); the drivetrain line refers to the 1993 works car.

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