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Audi 1.8 (85 Hp)

General information
Photo of 1973 - 1974 Audi 1.8 (85 Hp) Sedan (100 Hp) - technical specs and dimensions
Power 100 Hp @ 5500 rpm.
Torque 150 Nm @ 3200 rpm.
Acceleration 0 - 100 km/h 11.9 sec
Maximum speed 170 km/h
Fuel consumption (economy) - combined 10.7 l/100 km
Brand
Audi
Model
100
Generation
100 (C1, facelift 1973)
Modification (Engine)
1.8 LS (100 Hp)
Start of production
1973 year
End of production
1976 year
Powertrain Architecture
Internal Combustion engine
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
Body type
Sedan
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
Seats
5
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
Doors
4
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).

Audi 100 Review

Introduced in 1973, the Audi 100 (generation 100 Coupe S) is a classic Sedan offering the 1.8 (85 Hp) specification. Its propulsion comes from a 1761 cm3 setup, generating a respectable 100 Hp @ 5500 rpm.. This configuration allows it to accelerate from 0 to 100 km/h in 11.9 sec, with a top speed of 170 km/h. The model features Front wheel drive and has an average combined fuel consumption of 10.7 l/100 km. Featuring Naturally aspirated engine aspiration, it produces a peak torque of 150 Nm @ 3200 rpm. for robust performance. The specific output is rated at 56.8 Hp/l per litre.

The Audi 1.8 (85 Hp) entered the market in 1973 - 1974, aiming to set new benchmarks through its design and technical capabilities. At its core, the vehicle features a performance-oriented engine delivering 100 Hp @ 5500 rpm. of power. Technical documentation cites a top speed of 170 km/h. Offering balance and comfort, the model is great for daily use. When analyzing fuel consumption, it maintains segment standards with an average of 10.7 l/100 km. Ultimately, the Audi 1.8 (85 Hp)** offers a desirable option through both design and engineering.
📊 Model Comparison AnalysisThis model delivers **+15 Hp** more power compared to its sibling 1.6 L (85 Hp), is **1.6 seconds** faster from 0 to 100 km/h, is approximately **1%** more fuel efficient. This model has **12 Hp** lower power than 1.9 GL (112 Hp), is **1.1 seconds** slower to 100 km/h, is approximately **5%** more fuel efficient.
FAQ
How many horsepower does Audi 1.8 (85 Hp) have? +
The Audi 1.8 (85 Hp) model is equipped with an engine producing 100 Hp @ 5500 rpm. total horsepower.
What is the fuel type of Audi 1.8 (85 Hp)? +
This vehicle operates on a 10.7 l/100 km fuel system.
What is the 0-100 km/h acceleration of Audi 1.8 (85 Hp)? +
The Audi 1.8 (85 Hp) can accelerate from 0 to 100 km/h in just 11.9 sec.
What is the top speed of Audi 1.8 (85 Hp)? +
According to technical specs, the maximum speed of the vehicle is 170 km/h.
What drivetrain does the Audi 1.8 (85 Hp) have? +
This model transfers power to the road via a Front wheel drive drivetrain.
Is the Audi 1.8 (85 Hp) a good car? +
Considering the technical specs and market position, the Audi 1.8 (85 Hp) is a highly competitive and desirable model in its class.
Performance specs
Fuel consumption (economy) - combined
10.7 l/100 km
Fuel consumption shows how much fuel the car consumes on average per 100 km. Lower figures represent better fuel economy and lower running costs.
Fuel Type
Petrol (Gasoline)
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
Acceleration 0 - 100 km/h
11.9 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 62 mph
11.9 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 60 mph (Calculated by User)
11.3 sec
Maximum speed
170 km/h
Maximum speed represents the upper limit of velocity the vehicle can reach, limited by gear ratios, engine power, and aerodynamic resistance.
Weight-to-power ratio
10.9 kg/Hp, 91.7 Hp/tonne
Weight-to-torque ratio
7.3 kg/Nm, 137.6 Nm/tonne
Engine specs
Power
100 Hp @ 5500 rpm.
Power per litre
56.8 Hp/l
Power per litre (specific power) measures the engine power relative to its displacement. A higher value indicates advanced efficiency and engineering quality.
Torque
150 Nm @ 3200 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
Engine displacement
1761 cm3
Engine displacement represents the combined volume of all cylinders. It is a direct indicator of engine size and baseline performance potential.
Number of cylinders
4
Cylinder count represents the number of combustion chambers. More cylinders generally result in smoother operation and a refined engine note.
Engine configuration
Inline
Cylinder bore
81.5 mm
Piston stroke
84.4 mm
Compression ratio
9.7:1
Number of valves per cylinder
2
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
Fuel injection system
Carburettor
Engine aspiration
Naturally aspirated engine
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
Space, Volume and weights
Kerb Weight
1090 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
1550 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. load
460 kg
Trunk (boot) space - maximum
650 l
Fuel tank capacity
58 l
Dimensions
Length
4635 mm
Width
1729 mm
Height
1421 mm
Wheelbase
2675 mm
Front track
1448 mm
Rear / Back Track
1425 mm
Drag coefficient (Cd)
0.42
Minimum turning circle (turning diameter)
11.2 m
Drivetrain, brakes and suspension specs
Drivetrain Architecture
The Internal combustion engine (ICE) drives the front wheels of the vehicle.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Drive wheel
Front wheel drive
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Number of gears and type of gearbox
4 gears, manual transmission
Common OBD2 Fault Codes
P0032 🔴 High
VAG P0032 HO2S Heater Control Circuit High (Bank 1 Sensor 1)
Diagnostic Guide
P0037 🚨 Critical
VAG P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
Diagnostic Guide
P0038 🚨 Critical
VAG P0038 HO2S Heater Control Circuit High (Bank 1 Sensor 2)
Diagnostic Guide
P0051 🟡 Medium
VAG P0051 HO2S Heater Control Circuit Low (Bank 2 Sensor 1)
Diagnostic Guide
Similar Models
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Audi 100 2.0 16V (137 Hp)
Audi 100
2.0 16V (137 Hp)
Audi 100 2.0 16V (137 Hp) Automatic
Audi 100
2.0 16V (137 Hp) Automatic
Audi 100 2.0 E (115 Hp)
Audi 100
2.0 E (115 Hp)
User Reviews
O
Oliver S.
20 months ago
★★★★★
Been driving it for 3 months now. Engine performance exceeded my expectations. Suspension handles bumps and rough roads very smoothly. Worth every single penny spent.
•
O
Oscar 90
10 weeks ago
★★★★★
Bought a used model in great condition last year. The engine is snappy, great response time. The handling in corners is very safe. Worth every single penny spent.
•
T
Thomas K.
7 weeks ago
★★★★★
Got this car a few months ago. Acceleration is punchy and satisfying. Sound insulation is great, very quiet cabin at high speeds. Planning to keep it for a long time.
•
N
Noah 88
27 days ago
★★★★★
Bought a used model in great condition last year. 10.7 l/100 km economy is better than I expected. Sound insulation is great, very quiet cabin at high speeds. Worth every single penny spent.
•
J
Jacob Z.
23 months ago
★★★☆☆
Are there any known transmission issues?
•

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