/Eras/Audi Sport Competition Cars R Era /R2/Sport quattro S1 Pike’s Peak
MODEL DETAILS
What: Audi Sport quattro S1 Pike’s Peak
Series: Pike’s Peak International Hillclimb (PPIHC)
Class: Open Rally (PPIHC), Group B (WRC)
Era: Audi Postwar , Audi Sport R Era
Model Family: Coupé
Market / Zone: EU
Season: 1985
Model / Generation Code(s): type 85 / R2
Chassis / Matrix: B2
Registration: IN-NY 25
Chassis Number:
Driver: Michèle Mouton
Engine: Turbocharged inline five-cylinder, aluminum block
Displacement: 2,133 cc
Power: Approximately 507 PS (373 kW)*
Torque: Approximately 480 Nm (354 lb-ft)*
Turbocharger Boost: Approximately 1.8 bar*
Transmission: 6-speed manual
Drive System: Permanent quattro all-wheel drive
Weight: Approximately 1,000 kg (2,205 lb)*
Wheels: BBS modular alloy wheels
Tires: Michelin competition tires
Result: 1st Overall
Winning Time: 11:25.39
KNOWN REGISTRATIONS
IN-NT 61 — Tour de Corse 1985
IN-NY 25 — Pikes Peak International Hill Climb 1985
F344 — Olympus Rally 1986 (believed)
RESULT
1985 Pikes Peak International Hill Climb
July 13, 1985
Driver: Michèle Mouton #1
Time: 11:25.39
Position: 1st Overall
Course Record: Yes
Overall Victory Margin: More than 30 seconds
*Specifications marked with an asterisk are based on contemporary Audi Sport documentation, period reporting, and accounts from team personnel. Exact Pikes Peak specifications may have differed from contemporary World Rally Championship Sport quattro S1 configurations due to altitude-specific modifications, engine calibration changes, gearing revisions, cooling updates, and weight-reduction measures developed specifically for the Pikes Peak International Hill Climb.
OVERVIEW
The 1985 Audi Sport quattro S1 Pikes Peak is among the most significant competition cars in Audi history. Driven by Michèle Mouton to victory at the 1985 Pikes Peak International Hill Climb, it became the first Audi to win the event outright and established Mouton as the first and, to date, only woman to claim overall victory on America’s Mountain.
The car represented the culmination of lessons learned during Audi’s inaugural factory-backed assault on Pikes Peak in 1984. Having fallen short of an outright victory the previous year due in part to altitude-related engine management issues, Audi Sport returned in 1985 with a substantially revised Sport quattro S1 prepared specifically for the unique challenges of the Colorado mountain.
Mouton’s record-breaking run of 11:25.39 not only shattered the existing course record but also defeated the nearest competitor by more than thirty seconds, firmly establishing the Sport quattro as the new benchmark at Pikes Peak.
COMPETITION HISTORY
Tour de Corse 1985
May 2-4, 1985
Before its appearance in Colorado, this Sport quattro S1 competed in the 1985 Tour de Corse as part of Audi Sport’s World Rally Championship campaign.
Driven by Walter Röhrl and Christian Geistdörfer, the car represented the latest evolution of Audi’s short-wheelbase Group B challenger. Following Corsica, it returned to Audi Sport headquarters in Ingolstadt where it underwent a comprehensive rebuild and preparation program for Pikes Peak.
Pikes Peak International Hill Climb 1985
Driver: Michèle Mouton
When Michèle Mouton returned to Colorado in July 1985, she arrived with unfinished business. The previous year’s effort had resulted in a class victory and second place overall, but Audi Sport believed the team had possessed the pace necessary to win outright.
For 1985, extensive modifications were made to address the unique conditions encountered at elevations ranging from approximately 9,400 feet at the start to more than 14,000 feet at the summit. The Bosch Motronic engine management system was recalibrated for high-altitude operation, turbocharger boost pressure was increased, and weight was reduced through additional use of titanium and Kevlar components. New Michelin competition tires mounted on BBS modular wheels were also adopted.
Unlike her 1984 appearance, Mouton elected to compete without co-driver Fabrizia Pons. Having already learned the mountain’s 156 turns the previous year, she chose to rely entirely on memory while benefiting from the resulting weight reduction.
Practice week proved controversial. Mouton was fined following complaints regarding her speed while traveling through the paddock area and later received an additional penalty after using a common World Rally Championship technique of spinning the tires at the start line to generate heat. Race officials subsequently restricted her ability to drive the car on public roads, requiring Audi Sport mechanics to push the Sport quattro to the starting line on race day.
Rather than distracting her, the incidents appeared only to strengthen her resolve.
On race day, changing weather conditions left portions of the dirt and gravel course damp and slippery. Mouton adapted immediately, attacking the mountain with a level of commitment that even veteran members of Audi Sport found remarkable.
Crossing the finish line in 11:25.39, she shattered Al Unser Jr.’s standing course record by more than thirteen seconds and secured victory by a margin of over thirty seconds.
The achievement made Mouton the first woman to win the Pikes Peak International Hill Climb outright, a distinction she continues to hold today.
Reflecting on the experience years later, Mouton stated that the penalties and controversy only increased her determination.
“If you put pressure on me, I will only become stronger.”
LATER COMPETITION HISTORY
Following its victory at Pikes Peak, the Sport quattro remained in North America.
Evidence suggests the car subsequently entered service with John Buffum and Libra Racing, appearing in American rally competition during the final years of the Group B era. The chassis is believed to have contested multiple SCCA Pro Rally events and later appeared at the 1986 Olympus Rally, where Buffum finished third overall against World Rally Championship opposition.
While additional research continues regarding its exact competition record following Pikes Peak, period registrations and vehicle history strongly suggest the car remained active in North America through the 1986 season.
RESTORATION AND PRESERVATION
The car was later acquired by John Hanlon of UK-based quattro specialist Hansport.
Following acquisition, the Sport quattro underwent a comprehensive restoration to its 1985 Pikes Peak specification. The process included a complete refurbishment of the chassis and bodywork while preserving period-correct details, including the distinctive Pikes Peak configuration and original-style BBS modular wheels.
The restoration was completed in 2007.
Following restoration, the car became a regular participant at historic motorsport events and demonstrations throughout Europe before eventually returning to Audi Tradition.
Today it forms part of Audi’s historic collection and continues to appear at heritage events, exhibitions, and demonstrations around the world.
SIGNIFICANCE
Few competition Audis can claim a single victory as historically important as this Sport quattro S1.
The car delivered Audi’s first overall victory at Pikes Peak, established the Sport quattro as the dominant force on the mountain, and secured one of the most significant achievements by a female racing driver in motorsport history.
Its victory marked the beginning of Audi’s most successful era on America’s Mountain and helped cement both the Sport quattro and Michèle Mouton as legends of the Pikes Peak International Hill Climb.
In recognition of her achievement, Michèle Mouton was inducted into the Pikes Peak Hill Climb Hall of Fame in 2025.
PHOTO GALLERY
