- Combustion principle: four-stroke petrol (with manifold injection)
- Configuration: front, longitudinal; vertical
- Engine type: M 110 E 28 / 110.982; from 02.1976: 110.986
- Number of cylinders / arrangement: 6 / in-line
- Bore x Stroke: 86 x 78.8 mm
- Total displacement: 2746 cc (tax classification: 2717 cc)
- Compression ratio: 9.0; from 02.1976: 8.7; from 04.1978: 9.0
- Rated output: 185 hp / 136 kW at 6000 rpm;~from 02.1976: 177 hp / 130 kW at 6000 rpm;~from 04.1978: 185 hp / 136 kW at 5800 rpm
- Rated torque: 24.3 mkg at 4500 rpm; from 02.1976: 23.8 mkg at 4500 rpm;~from 04.1978: 24.5 mkg at 4500 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / V-shaped overhead
- Valve operation: 2 overhead camshafts
- Camshaft drive: double roller chain
- Fuel system: manifold injection, electronically controlled (Bosch D-Jetronic);~from 02.1976 mechanically controlled (Bosch K-Jetronic)
- Fuel tank: position / capacity: above the rear axle / 90 l; since 10.1981: 85 l
- Frame design: steel unit body
- Front-wheel suspension: double wishbone
- Rear-wheel suspension: semi-trailing arm axle
- Front springs: coil springs, supplementary rubber suspension, torsion bar stabiliser
- Rear springs: coil springs, supplementary rubber suspension, torsion bar stabiliser
- Shock absorber front/rear: telescopic shock absorbers
- Steering: recirculating-ball power steering
- Brake system (foot brake): hydraulic dual-circuit brake system with vacuum booster, antilock system optional from 03.1980; disc brakes front (internally ventilated) and rear
- Parking brake (hand brake): mechanical (foot-operated), acting on rear wheels
- Wheels: sheet-steel wheels (light-alloy wheels optional)
- Wheel rims: 6 1/2 J x 14 H 2
- Tires: 185 HR 14; from 03.1980: 195/70 HR 14 89 H
- Driven wheels: rear wheels
- Drivetrain: divided cardan shaft
- Gearing: 4-speed automatic transmission
- Availibility: optional (until 02.1980)
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter in automatic transmission
- Transmission type: planetary gear system
- Gear ratios: I. 3.98; II. 2.39; III. 1.46; IV. 1.0; R. 5.47
- Final drive ratio: 3.69
- Maximum speed: 200 km/h; from 02.1976: 195 km/h
- Acceleration 0-100 km/h: 10.1 s
- Fuel consumption: 12.5 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Gearing: 4-speed automatic transmission
- Availibility: optional (from 03.1980)
- Shifting: central floor gear shift lever
- Clutch: hydraulic torque converter in automatic transmission
- Transmission type: planetary gear system
- Gear ratios: I. 3.68; II. 2.41; III. 1.44; IV. 1.0; R. 5.14
- Final drive ratio: 3.58
- Maximum speed: 195 km/h
- Acceleration 0-100 km/h: 10.1 s
- Fuel consumption: 12.5 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Gearing: 4-speed manual transmission
- Availibility: as standard (until 04.1977)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.90; II. 2.30; III. 1.41; IV. 1.0; R. 3.66
- Final drive ratio: 3.69
- Maximum speed: 205 km/h; from 02.1976: 200 km/h
- Acceleration 0-100 km/h: 10.1 s
- Fuel consumption: 12.5 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Gearing: 4-speed manual transmission
- Availibility: as standard (05.1977 - 09.1981)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.98; II. 2.29; III. 1.45; IV. 1.0; R. 3.74
- Final drive ratio: 3.69; from 03.1980: 3.58
- Maximum speed: 200 km/h
- Acceleration 0-100 km/h: 10.1 s
- Fuel consumption: 12.5 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Gearing: 5-speed manual transmission
- Availibility: as standard (from 10.1981)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.82; II. 2.20; III. 1.40; IV. 1.0; V. 0.81; R. 3.71
- Final drive ratio: 3.58
- Maximum speed: 192 km/h
- Acceleration 0-100 km/h: 10.1 s
- Fuel consumption: 8.5 / 10.5 / 15.2 l
- by Guideline: 80/1268/EEC: figures apply to 90 km/h / 120 km/h / urban cycle
- Gearing: 5-speed manual transmission
- Availibility: optional (until 06.1976)
- Shifting: central floor gear shift lever
- Clutch: dry single-disc clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.96; II. 2.34; III. 1.44; IV. 1.0; V. 0.875; R. 3.72
- Final drive ratio: 3.92
- Maximum speed: 205 km/h; from 02.1976: 200 km/h
- Acceleration 0-100 km/h: 10.1 s
- Fuel consumption: 12.5 l
- by Guideline: DIN 70030: consumption, determined at 3/4 of top-speed (not more than 110 km/h), plus 10 %
- Wheelbase: 2460 mm
- Front / rear track: 1452 / 1440 mm
- Length: 4390 mm
- Width: 1790 mm
- Height: 1300 mm (with cabriolet top closed)
- Kerb weight: 1500 kg (with hardtop 1540 kg)
- by Guideline: DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
- Gross weight: 1920 kg
- Units produced: 25,436
- Prices: 06.1974: DM 32,445.30
02.1975: DM 34,332.20
02.1977: DM 35,619.90
01.1978: DM 35,940.80
04.1978: DM 37,150.40
12.1978: DM 37.912,00
01.07.1979: DM 38,250.50
16.07.1979: DM 38,996.30
06.1980: DM 44,522.00
08.1980: DM 45,358.20
07.1981: DM 46,917.60
09.1981: DM 48,567.40
01.1982: DM 49,900.80
07.1982: DM 51,471.50
09.1982: DM 51,867.00
07.1983: DM 52,326.00
08.1983: DM 54,001.80
01.1984: DM 55,404.00
09.1984: DM 57,000.00
04.1985: DM 58,995.00
(prices before 03.1980 not including hardtop, including roadster soft top)