Audi 100 1991 Avant 2.3

Audi 100 1991 2.3 petrol description

Estate car / wagon Audi 100 1991 Avant 2.3 has been produced from October, 1991 to October, 1994. It has five-cylinder petrol engine with displacement of 2.3 litres, which produces power of 133 horsepower on 5500 rpm and torque 186 Nm (Newton metres) on 4000 revolutions per minute.

This 5-cylinder 10-valve engine camshaft is driven by belt (What is an engine chain and belt? ). Engine has fuel injection system without turbocharger. The engine meets the Euro 2 emissions standard. Average engine life expectancy (mileage before serious repairs are needed) is from 310 000 to 520 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs 
This Audi 100 2.3 engine oil type is 5W-40 and oil capacity is 4.5 litres.

Audi 100 1991 Avant 2.3 has front wheel drive (FWD) and manual gearbox with 5 gears.
Audi 100 1991 Avant 2.3 accelerates to speed 100 kilometres per hour in 10.5 seconds. The maximum speed of this car is 194 km/h.

The fuel consumption of this Audi 100 1991 Avant 2.3 in combined mode (combining urban and highway driving) is 9.9 litres per 100km (10.1 km/l), fuel consumption in city - 12.5 l/100km, highway fuel economy - 7 l/100km. Fuel tank capacity is 80 litres or 21.14 gallons, which gives a mileage up to 800 kilometers without refueling in urban cycle and even up to 1140 kilometers on highway.
According to user reviews, the real everyday fuel consumption of this Audi is in line with the figure specified by the manufacturer. More - Real Audi 100 fuel consumption.

With the same engine there are also two other Audi 100 versions - with automatic gearbox (Audi 100 1991 2.3 E AT), and with four wheel (4x4) drive and manual gearbox (Audi 100 1991 Avant 2.3 Quattro MT 4x4) available:
  • Audi 100 1991 2.3 E AT is more sluggish, reaching 100 km/h 1.7 seconds later (in 12.2 seconds), but manufacturer's fuel consumption is lower by 0.3 litres per 100 km or 3 % - 9.6 litres per 100 km, whereas users reported real fuel consumption is higher by 1.3 litres per 100 km or 13 % - 11.1 litres per 100 km
  • Audi 100 1991 Avant 2.3 Quattro MT 4x4 manufacturer's fuel consumption is higher by 0.4 litres per 100 km or 4 % - 10.3 litres per 100 km, whereas users reported real fuel consumption is similar - 9.7 litres per 100 km
Audi 100 1991

Audi 100 1991 Avant 2.3 technical data

Model: Audi 100 Avant 2.3
Body style: Estate car / wagon
Production period: 1991. October ... 1994. October 
Engine: 2309 cm3 Petrol, 5 cylinders CO2 emissions: no data
Power: 133 HP ON 5500 RPM Torque: 186 NM ON 4000 RPM
Gearbox: Manual gearbox (5 gears) Drive type: Front wheel drive (FWD)
Maximum speed: 194 km/h Acceleration 0-100 km/h: 10.5 seconds
Fuel consumption (l/100km): 9.9 (combined) 12.5 (urban) 7.0 (highway)
Real fuel consumption: 9.8 l/100km (24 MPG) by user reviews from various sources
Fuel tank capacity: 80 litres (21.1 gallons)
Car dimensions: 4.79m (length) 1.78m (width) 1.44m (height)
Turning diameter: 11.4 meters
Seats: 5 seats
Trunk capacity: 390 litres
Trunk max capacity: 1310 litres (with rear seats folded down)
Gross weight: 1970 kg

Audi 100 1991 Avant 2.3 engine AAR

Engine reliability:

Overall, this engine can last around 310,000 to 520,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement 2309 cm3
Number of cylinders 5
Bore (cylinder diameter) 82.5 mm
Stroke length (piston move) 86.4 mm
Compression ratio 10 : 1
Camshaft drive Timing belt

Timing belt engines are generally quieter and less vibrating than chain engines, but belt usually needs to be replaced more often and the risk of breakage is higher.

Fuel system Injection
Audi 100 1991 Avant 2.3 oil type 5W-40
Oil capacity 4.5 litres (4.8 quarts)
Power 133 HP ON 5500 RPM
Torque 186 NM ON 4000 RPM
Start of production (year) 1990
Duration of production 6 years

Often in the first years of production, engines tend to have various constructive problems, so it is recommended to choose a car with this engine from 1993 onwards.

Engine also used on Audi A6 Audi Coupe

All Audi 100 estate car [1991 - 1994] modifications

Modification Engine Power Consumption Gearbox Drive type
Audi 100 1991 Avant 2.0 74kW Oct 1991 — Oct 1993 2.0 Petrol 101 HP 8.5 l/100km Manual (5) Front wheel
Audi 100 1991 2.0 E 4x4

Most fuel efficient petrol version by real consumption

2.0 Petrol 115 HP 8.5 l/100km Manual (5) All wheel
Audi 100 1991 Avant 2.0 85kW Oct 1991 — Oct 1994

Most fuel efficient petrol version by real consumption

2.0 Petrol 116 HP 8.9 l/100km Manual (5) Front wheel
Audi 100 1991 Avant 2.0 85kW Oct 1991 — Oct 1994 2.0 Petrol 116 HP 9.2 l/100km Automatic (4) Front wheel
Audi 100 1991 2.0 16V 2.0 Petrol 137 HP 10.8 l/100km Manual (5) Front wheel
Audi 100 1991 2.0 16V

Most fuel efficient petrol version

2.0 Petrol 137 HP 7.8 l/100km Manual (5) Front wheel
Audi 100 1992 2.2 Avant S4 4x4 Jan 1992 — Oct 1994 2.2 Petrol 230 HP 10.9 l/100km Manual (6) All wheel
Audi 100 1992 2.2 Avant S4 4x4 Aug 1992 — Oct 1994 2.2 Petrol 230 HP 11.9 l/100km Automatic (4) All wheel
Audi 100 1991 Avant 2.3 Oct 1991 — Oct 1994 2.3 Petrol 133 HP 9.9 l/100km Manual (5) Front wheel
Audi 100 1991 2.3 E 2.3 Petrol 133 HP 9.6 l/100km Automatic (4) Front wheel
Audi 100 1991 Avant 2.3 Quattro 4x4 Oct 1991 — Aug 1992 2.3 Petrol 133 HP 10.3 l/100km Manual (5) All wheel
Audi 100 1991 Avant 2.4 D Oct 1991 — Oct 1994 2.4 Diesel 82 HP 7.6 l/100km Manual (5) Front wheel
Audi 100 1991 Avant 2.5 TDI Oct 1991 — Oct 1994

Most powerfull diesel version (115 HP)
Most fuel efficient diesel version

2.5 Diesel 115 HP 6.5 l/100km Manual (5) Front wheel
Audi 100 1993 Avant 2.5 TDI Sep 1993 — Oct 1994

Most powerfull diesel version (115 HP)

2.5 Diesel 115 HP 6.6 l/100km Automatic (4) Front wheel
Audi 100 1992 Avant 2.6 Aug 1992 — Oct 1994 2.6 Petrol 150 HP 9.6 l/100km Manual (5) Front wheel
Audi 100 1992 Avant 2.6 Aug 1992 — Oct 1994 2.6 Petrol 150 HP 10.2 l/100km Automatic (4) Front wheel
Audi 100 1992 Avant 2.6 Quattro 4x4 Aug 1992 — Oct 1994 2.6 Petrol 150 HP 10.7 l/100km Manual (5) All wheel
Audi 100 1992 Avant 2.6 Quattro 4x4 Aug 1992 — Oct 1994 2.6 Petrol 150 HP 11.4 l/100km Automatic (4) All wheel
Audi 100 1991 Avant 2.8 Oct 1991 — Oct 1994 2.8 Petrol 174 HP 9.6 l/100km Manual (5) Front wheel
Audi 100 1991 Avant 2.8 Oct 1991 — Oct 1994 2.8 Petrol 174 HP 10.6 l/100km Automatic (4) Front wheel
Audi 100 1991 Avant 2.8 Quattro 4x4 Oct 1991 — Oct 1994 2.8 Petrol 174 HP 10.8 l/100km Manual (5) All wheel
Audi 100 1991 Avant 2.8 Quattro 4x4 Oct 1991 — Oct 1994 2.8 Petrol 174 HP 11.3 l/100km Automatic (4) All wheel
Audi 100 1993 Avant S4 4.2 4x4 Jan 1993 — Oct 1994

Most dynamic version - 100 km/h in 6.6 seconds

4.2 Petrol 280 HP 13.2 l/100km Automatic (4) All wheel
Audi 100 1991 reviews
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