Opel Omega

Opel Omega

Pre-restyle listed engines: Diesel Turbo (2.0 MT 101 hp Inline 4; 2.5 MT 131 hp and 2.5 AT 131 hp Inline 6) and Gasoline with boost No (2.0 MT/2.0 AT 116 hp and 136 hp Inline 4; 2.5 MT/2.5 AT 170 hp 6 V-shaped; 3.0 MT/3.0 AT 211 hp 6 V-shaped). Two listed 2.0 MT Diesel 101 hp rows differ: 0–100 15 s and kerb 1540 kg / gross 2090 kg versus 0–100 14 s and kerb 1595 kg / gross 2205 kg.

1 generation (1984-01-01 – 1994-12-31)

1 generation is a Sedan built from 1984-01-01 to 1994-12-31. The record counts 49 modifications; 12 versions are listed here, all RWD. Gearboxes are Manual 5 or Automatic 4. Engines are Gasoline only in this list: Inline 4, boost No. Fuel is 95 or 92. Tank 70 litres. Clearance 140 mm. Front brakes Ventilated disc, rear Disc. Suspension front and rear: Independent, spring. Kerb weight, where measured, runs from 1215 kg (`1.8 MT` 82 hp) to 1295 kg (`2.0 MT` 115 hp / `2.0 AT` 115 hp). Gross weight, where measured, runs from 1770 kg to 1925 kg. For `2.0 AT` 99 hp, `2.0 MT` 99 hp, `2.0 MT` 100 hp, `2.0 AT` 100 hp and `2.0 MT` 120 hp, kerb and gross mass are not measured. Engine location is Front, longitudinal except `2.0 MT` 100 hp and `2.0 AT` 100 hp (not measured) and `2.0 MT` 120 hp (Front, transverse).

2 generation (1994-04-01 – 1999-08-31) and 2 generation, restyling (1999-08-01 – 2003-06-30)

2 generation is a Sedan from 1994-04-01 to 1999-08-31 (22 modifications in the count; 12 listed). 2 generation, restyling continues the same generation as a Sedan from 1999-08-01 to 2003-06-30 (36 in the count; 12 listed). Both records keep RWD, 75-litre tank, 140 mm clearance, Independent, spring front and rear, Ventilated disc front and Disc rear, and Front, longitudinal engines.

Pre-restyle listed engines: Diesel Turbo (`2.0 MT` 101 hp Inline 4; `2.5 MT` 131 hp and `2.5 AT` 131 hp Inline 6) and Gasoline with boost No (`2.0 MT`/`2.0 AT` 116 hp and 136 hp Inline 4; `2.5 MT`/`2.5 AT` 170 hp 6 V-shaped; `3.0 MT`/`3.0 AT` 211 hp 6 V-shaped). Two listed `2.0 MT` Diesel 101 hp rows differ: 0–100 15 s and kerb 1540 kg / gross 2090 kg versus 0–100 14 s and kerb 1595 kg / gross 2205 kg.

Restyle listed engines add Diesel `2.2 MT` 120 hp, two `2.5 MT` Diesel outputs (131 hp and 150 hp), `2.5 AT` Diesel 150 hp, Gasoline `2.2 MT`/`2.2 AT` 144 hp, `2.6 MT` 180 hp, and `5.7 AT` 315 hp, and keep Diesel `2.0 MT` 101 hp, Gasoline `2.0 MT` 136 hp, `2.5 MT` 170 hp and `3.0 MT` 211 hp.

# Engines and specs

Version names are exactly as in the data. Same names are split by power.

1 generation — engine table

Valves per cylinder: 2 on all 1 generation listed versions. Injection: Central injection (single-point or single- point) on `1.8 MT` 82 hp and `2.0 MT` 120 hp; Carburetor on `1.8 MT` 88 hp and `1.8 MT` 90 hp; Distributed injection (multi-point) on the rest. Compression 10 on `1.8 MT` 82 hp; 9.2 on `2.0 AT` 99 hp, `2.0 MT` 99 hp and `2.0 MT` 120 hp; not measured on the other 1 generation rows. Bore × stroke 84 × 79.5 mm (`1.8 MT` 82 hp) or 86 × 86 mm (`2.0 AT`/`2.0 MT` 99 hp, `2.0 MT` 120 hp); not measured elsewhere in this generation list.

2 generation — engine table

Diesel `2.0 MT` 101 hp: 4 valves; compression and bore × stroke not measured. Diesel `2.5 MT`/`2.5 AT` 131 hp: 2 valves, compression 22, 80 × 82.8 mm. Gasoline 116 hp: 2 valves, compression 10, 86 × 86 mm. Gasoline 136 hp: 4 valves, compression 10.8, 86 × 86 mm. Gasoline 170 hp: 4 valves, compression 10.8, 81.6 × 79.6 mm. Gasoline 211 hp: 4 valves, compression 10.8, 86 × 85 mm. Gasoline injection: Distributed injection (multi-point). Diesel supply: not measured.

2 generation, restyling — engine table

Restyle Diesel 101 / 120 hp: 4 valves, compression 18.5; 84 × 90 mm and 84 × 98 mm. Diesel 131 hp: 2 valves, compression 22, 80 × 82.8 mm. Diesel 150 hp: 4 valves, compression 17.5, 80 × 82.8 mm. Gasoline 136 hp: 4 valves, 10.8, 86 × 86 mm. `2.2 MT`/`2.2 AT` 144 hp: 4 valves, 10.5, 86 × 94.6 mm. `2.5 MT` 170 hp: 4 valves; compression and bore × stroke not measured. `2.6 MT`: 4 valves, 10, 83.2 × 79.6 mm. `3.0 MT`: 4 valves, 10, 86 × 85 mm. `5.7 AT`: 2 valves, 10.1, 99 × 92 mm. Gasoline injection Distributed injection (multi-point); Diesel supply not measured.

# Performance and economy

Figures are as measured in the data. Combined / city / highway are litres per 100 km. CO2 is g/km.

1 generation

Among 1 generation rows with a 0–100 figure, `2.0 MT` 115 hp is the quickest (11.5 s) and the fastest (195 km/h). `1.8 AT` 115 hp is the slowest 0–100 (14.5 s) and has the lowest top speed (180 km/h). Lowest combined use among measured rows: `1.8 MT` 88 hp at 7.1. Highest combined among measured rows: `2.0 MT` 115 hp at 8.1.

2 generation

`3.0 MT` 211 hp is the quickest (8.5 s) and fastest (243 km/h) listed pre-restyle row. `2.0 MT` Diesel 101 hp at 1540 kg is the slowest 0–100 (15 s). Lowest measured combined: Diesel `2.5 MT`/`2.5 AT` 131 hp at 7.9. Highest measured combined: `3.0 MT`/`3.0 AT` 211 hp at 11.1.

2 generation, restyling

`5.7 AT` 315 hp is the quickest (7 s) and fastest (250 km/h) listed Omega, 1.5 s and 7 km/h above restyle `3.0 MT` 211 hp (8.5 s, 243 km/h). Slowest restyle 0–100: Diesel `2.0 MT` 101 hp at 15 s. Lowest measured combined: Diesel `2.2 MT` 120 hp at 7.1. Highest measured combined: `5.7 AT` at 14. The only CO2 figure in the whole model list is 245 on `2.2 AT` 144 hp.

# Dimensions and weight

Length, width, height and wheelbase are not measured in this dataset. Wheel size is not measured on every version. Clearance is 140 mm on every row that states it.

1 generation — mass and tank

Lightest measured kerb in the model list: 1215 kg (`1.8 MT` 82 hp and `1.8 MT` 88 hp). Payload on `1.8 MT` 82 hp: 1770 − 1215 = 555 kg.

2 generation — mass and tank

Lightest 2 generation kerb: 1440 kg (`2.0 MT`/`2.0 AT` 116 hp). Heaviest kerb in this record: 1620 kg (`3.0 AT` 211 hp). Highest gross: 2205 kg (Diesel `2.0 MT` 101 hp, 14 s row).

2 generation, restyling — mass and tank

As stored, restyle Diesel `2.0 MT` 101 hp has kerb 2145 kg and gross 1600 kg (gross below kerb). The other restyle diesels follow the usual kerb < gross pattern (`2.2 MT` 120 hp: 1600 / 2145). Lightest restyle kerb among rows that look consistent: 1510 kg (`2.0 MT` Gasoline 136 hp). Heaviest listed kerb: 1650 kg (`5.7 AT`). Highest listed gross: 2195 kg (`5.7 AT`).

# Which version to choose

All listed Omegas are Sedan RWD. Choice is engine, gearbox and generation.

Lowest measured combined use. Restyle Diesel `2.2 MT` 120 hp: 7.1 combined, 9.6 city, 5.6 highway, 12.5 s, 195 km/h, 280 Nm at 1600, 1600 kg kerb. 1 generation `1.8 MT` 88 hp also shows 7.1 combined (9.8 / 5.6, 14 s, 183 km/h) at 1215 kg. Pre-restyle Diesel `2.5 MT`/`2.5 AT` 131 hp: 7.9 combined.

Most power and speed. Restyle `5.7 AT` 315 hp / 232 kW, 450 Nm, 5665 cc, 8 V-shaped, Automatic 4: 7 s, 250 km/h, 18 / 10 / 14 use, 1650 / 2195 kg. Versus restyle `3.0 MT` 211 hp: +104 hp, +180 Nm, −1.5 s, +7 km/h. Versus restyle Diesel `2.0 MT` 101 hp: +214 hp, −8 s, +64 km/h.

Six-cylinder Gasoline without the 5.7. Restyle `3.0 MT` 211 hp: 8.5 s, 243 km/h (same 0–100 as pre-restyle `3.0 MT`; pre-restyle peak rpm 6200 vs restyle 6000). Restyle `2.6 MT` 180 hp: 9.5 s, 229 km/h, 10.7 combined. Restyle `2.5 MT` 170 hp: 9.5 s, 228 km/h; use not measured. Pre-restyle `2.5 MT` 170 hp: 9.5 s, 223 km/h, 10.6 combined; `2.5 AT` 170 hp: 11.5 s, 218 km/h, same 10.6.

Diesel torque. Restyle `2.5 MT`/`2.5 AT` 150 hp: 300 Nm at 1700, 10.5 s, 208 km/h, 7.6 combined. That is +19 hp and +50 Nm versus restyle `2.5 MT` 131 hp Diesel (12 s, 200 km/h; use not measured), and +30 hp / +20 Nm versus restyle `2.2 MT` 120 hp. Pre-restyle Diesel `2.5 MT` and `2.5 AT` 131 hp share 12 s and 200 km/h; the automatic is Automatic 4, the restyle 150 hp automatic is Automatic 5.

Four-cylinder Gasoline. Restyle `2.0 MT` 136 hp: 11 s, 210 km/h, 9.3 combined, 1510 kg. Restyle `2.2 MT` 144 hp: 10.5 s, 210 km/h, 9.6 combined. Restyle `2.2 AT` 144 hp: 11.5 s, 206 km/h, 10.2 combined, CO2 245. Pre-restyle `2.0 MT` 136 hp matches 11 s / 210 km/h with 9.3 combined at 1445 kg. Pre-restyle `2.0 AT` 136 hp is 2 s slower (13 s) and 15 km/h down (195 km/h) at the same 9.3 combined.

1 generation four-cylinder. Measured 0–100 spans 11.5 s (`2.0 MT` 115 hp) to 14.5 s (`1.8 AT` 115 hp). `1.8 MT` 115 hp is 1.5 s quicker than `1.8 AT` 115 hp and 7 km/h faster (187 vs 180). `2.0 MT` 115 hp vs `2.0 AT` 115 hp: −1.0 s, +5 km/h (195 vs 190). `1.8 MT` 82 / 88 / 90 hp all 14 s and 183 km/h; 88 hp has the lower combined 7.1 vs 7.8. `2.0 AT` 99 hp, `2.0 MT` 99 hp, `2.0 MT` 100 hp, `2.0 AT` 100 hp and `2.0 MT` 120 hp: 0–100, top speed, use and mass not measured.

Automatic vs Manual, same engine (listed pairs). 1 gen `1.8 AT` 115 hp vs `1.8 MT` 115 hp: +1.5 s, −7 km/h. 1 gen `2.0 AT` 115 hp vs `2.0 MT` 115 hp: +1.0 s, −5 km/h. 2 gen `2.0 AT` 116 hp vs `2.0 MT` 116 hp: +1.0 s, −7 km/h. 2 gen `2.0 AT` 136 hp vs `2.0 MT` 136 hp: +2.0 s, −15 km/h. 2 gen `2.5 AT` 170 hp vs `2.5 MT` 170 hp: +2.0 s, −5 km/h. 2 gen `3.0 AT` 211 hp vs `3.0 MT` 211 hp: +1.3 s, −13 km/h. Restyle `2.2 AT` 144 hp vs `2.2 MT` 144 hp: +1.0 s, −4 km/h, +0.6 combined. Restyle Diesel `2.5 AT` 150 hp vs `2.5 MT` 150 hp: same 10.5 s, 208 km/h and 7.6 combined.

Problems, reliability. This dataset has no failure, service or durability figures. What it does record: every listed Omega is RWD Sedan; 1 generation listed engines are Gasoline only; Diesel appears from 2 generation; the largest listed engine is restyle `5.7 AT` 5665 cc; wheel size and eco class are not measured throughout.