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AUDI TT Mk1 - Wikipedia

The Audi TT (Type 8N) was launched in 1998 as a coupé and roadster based on the Volkswagen Group A4 platform. Early models were recalled to improve stability at high speeds following accidents. Audi added electronic stability control and modified the suspension. Production ended in 2006 after Audi facelifted the design in 2003 with small styling and practicality improvements. The TT was initially powered by a 1.8L turbocharged inline-4 engine with 180 or 225 horsepower and later offered a 3.2L VR6 engine rated at 250 horsepower.

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588 views2 pages

AUDI TT Mk1 - Wikipedia

The Audi TT (Type 8N) was launched in 1998 as a coupé and roadster based on the Volkswagen Group A4 platform. Early models were recalled to improve stability at high speeds following accidents. Audi added electronic stability control and modified the suspension. Production ended in 2006 after Audi facelifted the design in 2003 with small styling and practicality improvements. The TT was initially powered by a 1.8L turbocharged inline-4 engine with 180 or 225 horsepower and later offered a 3.2L VR6 engine rated at 250 horsepower.

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Audi TT TT Mk1 (Type 8N, 1998–2006)

The production model (internal designation Type 8N) was launched as a coupé in September
1998, followed by a roadster in August 1999. It is based on the Volkswagen Group A4 (PQ34)
platform as used for the Volkswagen Golf Mk4, the original Audi A3, the Škoda Octavia, and
others. The styling differed little from the concept, except for slightly reprofiled bumpers, and
the addition of rear quarterlight windows behind the doors. Factory production commenced in
October 1998.

Early TT models received press coverage following a series of high-speed accidents and the
related fatalities which occurred at speeds in excess of 112 mph (180 km/h) during abrupt lane
changes or sharp turns. Both the coupé and roadster variants were recalled in late 1999/early
2000, to improve predictability of the car's handling at very high speeds.[14] Audi's Electronic
Stability Programme (ESP) or Anti Slip Regulation (ASR) and rear spoiler were added, along
with modifications to the suspension system. All changes were incorporated into subsequent
production.

The Audi TT was nominated for the North American Car of the Year award for 2000. It was also
on Car and Driver magazine's Ten Best list for 2000 and 2001. By 2003, Audi had provided a
"face-lift" to the TT, with a number of small styling and practicality improvements.

Production of the Audi TT (Type 8N) ended in June 2006.

Powertrain

The 1.8 L turbocharged inline-4 engine

Mechanically, the TT shares an identical powertrain layout with its related Volkswagen Group-
mates. The TT uses a transversely mounted internal combustion engine, with either front-wheel
drive with 'quattro four-wheel drive' available as an option. It was first available with a 1.8-litre
inline four-cylinder 5-valve turbocharged engine in two states of DIN-rated power outputs;
180 PS (132 kW; 178 hp) and 225 PS (165 kW; 222 hp). The engines share the same
fundamental design, but the 225 PS version features a larger K04 turbocharger (180 PS version
came with a smaller K03), an additional intercooler on the left side (complementing the existing
right-side intercooler), larger 20mm wrist-pins, a dual tailpipe exhaust, intake manifold with inlet
on driver's side, and a few other internals – designed to accommodate the increase in turbo boost,
from roughly 10 pounds per square inch (0.7 bar) peak, to 15 pounds per square inch (1.0 bar).
Haldex Traction enabled four-wheel drive, 'branded' as "Quattro" was optional on the 180
engine, and standard on the more powerful 225 version.

3.2 L VR6 engine

The original four-cylinder engine range was complemented with a 3,189 cc (3.2 L; 194.6 cu in)
VR6 engine rated at 250 PS (247 bhp; 184 kW) and 320 N⋅m (236 lb⋅ft) of torque in early 2003,
which came as standard with the quattro four-wheel-drive system. In July 2003, a new six-speed
dual clutch transmission – dubbed the Direct-Shift Gearbox (DSG), which improves acceleration
through much-reduced shift times, was offered, along with a stiffer suspension.

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