BMW · model year 2018
2018 BMW 3 Series
Specifications and certified data for the 2018 model year. All BMW 3 Series model years →
UK certified builds94
Power220–255 hp
CO₂44–179 g/km
Combined MPG36.7–148.7
US EPA records17
2018 UK builds, engines & trims
| Build | Engine | Fuel | Gearbox | Power hp | CO₂ g/km | MPG | Record |
|---|---|---|---|---|---|---|---|
| Hybrid | — | Hybrid | Automatic | 255 | 105 | — | Dossier |
| Diesel | — | Diesel | Automatic | 230 | 140 | — | Dossier |
| Petrol | — | Petrol | Automatic | 220 | 165 | — | Dossier |
| 316d - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 109 | 68.9 | Dossier |
| 316d - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 109 | 68.9 | Dossier |
| 316d - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 116 | 64.2 | Dossier |
| 316d - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 116 | 64.2 | Dossier |
| 316d - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 113 | 65.7 | Dossier |
| 316d - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 113 | 65.7 | Dossier |
| 316d - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 120 | 61.4 | Dossier |
| 316d - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 120 | 61.4 | Dossier |
| 318d - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 111 | 67.3 | Dossier |
| 318d - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 111 | 67.3 | Dossier |
| 318d - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 114 | 65.7 | Dossier |
| 318d - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 117 | 62.8 | Dossier |
| 318d - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 116 | 64.2 | Dossier |
| 318d - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 116 | 64.2 | Dossier |
| 318d - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 119 | 62.8 | Dossier |
| 318d - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 122 | 61.4 | Dossier |
| 318i - 16'' & 17'' tyres | 1,499 cc | Petrol | Automatic | — | 122 | 54.3 | Dossier |
| 318i - 16'' & 17'' tyres | 1,499 cc | Petrol | Manual | — | 124 | 52.3 | Dossier |
| 318i - 16'' & 17'' tyres | 1,499 cc | Petrol | Automatic | — | 129 | 51.4 | Dossier |
| 318i - 16'' & 17'' tyres | 1,499 cc | Petrol | Manual | — | 133 | 49.6 | Dossier |
| 318i - 18'' & 19'' tyres | 1,499 cc | Petrol | Automatic | — | 126 | 52.3 | Dossier |
| 318i - 18'' & 19'' tyres | 1,499 cc | Petrol | Manual | — | 129 | 51.4 | Dossier |
| 318i - 18'' & 19'' tyres | 1,499 cc | Petrol | Automatic | — | 134 | 48.7 | Dossier |
| 318i - 18'' & 19'' tyres | 1,499 cc | Petrol | Manual | — | 137 | 47.9 | Dossier |
| 320d - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 111 | 67.3 | Dossier |
| 320d - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 111 | 67.3 | Dossier |
| 320d - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 114 | 65.7 | Dossier |
| 320d - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 118 | 62.8 | Dossier |
| 320d - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 116 | 64.2 | Dossier |
| 320d - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 116 | 64.2 | Dossier |
| 320d - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 119 | 62.8 | Dossier |
| 320d - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 123 | 60.1 | Dossier |
| 320d EfficientDynamics - 18'' & 19'' wheels | 1,995 cc | Diesel | Automatic | — | 109 | 68.9 | Dossier |
| 320d EfficientDynamics - 18'' & 19'' wheels | 1,995 cc | Diesel | Manual | — | 113 | 65.7 | Dossier |
| 320d EfficientDynamics - 18'' & 19'' wheels | 1,995 cc | Diesel | Automatic | — | 116 | 64.2 | Dossier |
| 320d EfficientDynamics - 18'' & 19'' wheels | 1,995 cc | Diesel | Manual | — | 118 | 62.8 | Dossier |
| 320d EfficientDynamics - 7.5Jx16'' & 17'' wheels | 1,995 cc | Diesel | Automatic | — | 104 | 70.6 | Dossier |
| 320d EfficientDynamics - 7.5Jx16'' & 17'' wheels | 1,995 cc | Diesel | Manual | — | 108 | 68.9 | Dossier |
| 320d EfficientDynamics - 7.5Jx16'' & 17'' wheels | 1,995 cc | Diesel | Automatic | — | 111 | 67.3 | Dossier |
| 320d EfficientDynamics - 7.5Jx16'' & 17'' wheels | 1,995 cc | Diesel | Manual | — | 114 | 65.7 | Dossier |
| 320d EfficientDynamics - 7Jx16'' wheels | 1,995 cc | Diesel | Automatic | — | 99 | 74.3 | Dossier |
| 320d EfficientDynamics - 7Jx16'' wheels | 1,995 cc | Diesel | Manual | — | 102 | 72.4 | Dossier |
| 320d EfficientDynamics - 7Jx16'' wheels | 1,995 cc | Diesel | Automatic | — | 104 | 70.6 | Dossier |
| 320d EfficientDynamics - 7Jx16'' wheels | 1,995 cc | Diesel | Manual | — | 107 | 68.9 | Dossier |
| 320d xDrive - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 118 | 62.8 | Dossier |
| 320d xDrive - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 119 | 62.8 | Dossier |
| 320d xDrive - 16'' & 17'' tyres | 1,995 cc | Diesel | Automatic | — | 124 | 60.1 | Dossier |
| 320d xDrive - 16'' & 17'' tyres | 1,995 cc | Diesel | Manual | — | 128 | 57.6 | Dossier |
| 320d xDrive - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 123 | 60.1 | Dossier |
| 320d xDrive - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 126 | 58.9 | Dossier |
| 320d xDrive - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 129 | 57.6 | Dossier |
| 320d xDrive - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 133 | 56.5 | Dossier |
| 320i - 16'' & 17'' tyres | 1,998 cc | Petrol | Automatic | — | 129 | 51.4 | Dossier |
| 320i - 16'' & 17'' tyres | 1,998 cc | Petrol | Manual | — | 134 | 48.7 | Dossier |
| 320i - 16'' & 17'' tyres | 1,998 cc | Petrol | Automatic | — | 134 | 48.7 | Dossier |
| 320i - 16'' & 17'' tyres | 1,998 cc | Petrol | Manual | — | 141 | 46.3 | Dossier |
| 320i - 18'' & 19'' tyres | 1,998 cc | Petrol | Automatic | — | 134 | 48.7 | Dossier |
| 320i - 18'' & 19'' tyres | 1,998 cc | Petrol | Manual | — | 138 | 47.9 | Dossier |
| 320i - 18'' & 19'' tyres | 1,998 cc | Petrol | Automatic | — | 138 | 47.9 | Dossier |
| 320i - 18'' & 19'' tyres | 1,998 cc | Petrol | Manual | — | 147 | 44.8 | Dossier |
| 320i xDrive - 16'' & 17'' tyres | 1,998 cc | Petrol | Automatic | — | 137 | 47.9 | Dossier |
| 320i xDrive - 16'' & 17'' tyres | 1,998 cc | Petrol | Manual | — | 154 | 42.8 | Dossier |
| 320i xDrive - 16'' & 17'' tyres | 1,998 cc | Petrol | Automatic | — | 147 | 44.8 | Dossier |
| 320i xDrive - 16'' & 17'' tyres | 1,998 cc | Petrol | Manual | — | 164 | 40.4 | Dossier |
| 320i xDrive - 18'' & 19'' tyres | 1,998 cc | Petrol | Automatic | — | 142 | 46.3 | Dossier |
| 320i xDrive - 18'' & 19'' tyres | 1,998 cc | Petrol | Manual | — | 159 | 41.5 | Dossier |
| 320i xDrive - 18'' & 19'' tyres | 1,998 cc | Petrol | Automatic | — | 151 | 43.5 | Dossier |
| 320i xDrive - 18'' & 19'' tyres | 1,998 cc | Petrol | Manual | — | 169 | 38.7 | Dossier |
| 325d - 17'' tyres | 1,995 cc | Diesel | Automatic | — | 122 | 61.4 | Dossier |
| 325d - 17'' tyres | 1,995 cc | Diesel | Manual | — | 129 | 57.6 | Dossier |
| 325d - 18'' & 19'' tyres | 1,995 cc | Diesel | Automatic | — | 125 | 58.9 | Dossier |
| 325d - 18'' & 19'' tyres | 1,995 cc | Diesel | Manual | — | 132 | 56.5 | Dossier |
| 330d - 17'' tyres | 2,993 cc | Diesel | Automatic | — | 135 | 55.4 | Dossier |
| 330d - 18'' & 19'' tyres | 2,993 cc | Diesel | Automatic | — | 138 | 53.3 | Dossier |
| 330d - 18'' & 19'' tyres | 2,993 cc | Diesel | Automatic | — | 131 | 56.5 | Dossier |
| 330d xDrive - 18'' & 19'' tyres | 2,993 cc | Diesel | Automatic | — | 139 | 53.3 | Dossier |
| 330d xDrive - 18'' & 19'' tyres | 2,993 cc | Diesel | Automatic | — | 145 | 51.4 | Dossier |
| 330e - 18'' & 19'' wheels | 1,998 cc | Hybrid | Automatic | — | 49 | 134.5 | Dossier |
| 330e - 7.5Jx16'' & 17'' wheels | 1,998 cc | Hybrid | Automatic | — | 45 | 148.7 | Dossier |
| 330e - 7Jx16'' wheels | 1,998 cc | Hybrid | Automatic | — | 44 | 148.7 | Dossier |
| 330i - 18'' & 19'' tyres | 1,998 cc | Petrol | Automatic | — | 136 | 48.7 | Dossier |
| 330i - 18'' & 19'' tyres | 1,998 cc | Petrol | Manual | — | 151 | 43.5 | Dossier |
| 330i - 18'' & 19'' tyres | 1,998 cc | Petrol | Automatic | — | 143 | 46.3 | Dossier |
| 330i - 18'' & 19'' tyres | 1,998 cc | Petrol | Manual | — | 157 | 42.2 | Dossier |
| 335d xDrive - 18'' & 19'' tyres | 2,993 cc | Diesel | Automatic | — | 145 | 51.4 | Dossier |
| 335d xDrive - 18'' & 19'' tyres | 2,993 cc | Diesel | Automatic | — | 151 | 49.6 | Dossier |
| 340i - 18'' & 19'' tyres | 2,998 cc | Petrol | Automatic | — | 159 | 41.5 | Dossier |
| 340i - 18'' & 19'' tyres | 2,998 cc | Petrol | Manual | — | 179 | 36.7 | Dossier |
| 340i - 18'' & 19'' tyres | 2,998 cc | Petrol | Automatic | — | 164 | 40.4 | Dossier |
| ActiveHybrid 3 – 17'' tyres | 2,979 cc | Hybrid | Automatic | — | 139 | 47.9 | Dossier |
| ActiveHybrid 3 – 18'' & 19'' tyres | 2,979 cc | Hybrid | Automatic | — | 141 | 47.1 | Dossier |
UK Vehicle Certification Agency fuel & emissions data and ACS catalogue records, Open Government Licence v3.0, VCA ↗.
2018 US EPA fuel-economy records
| Year | Engine | Drive | Transmission | Fuel | MPG (US) comb. | CO₂ g/mi | EV range mi | Source |
|---|---|---|---|---|---|---|---|---|
| 2018 | 2.0 L 4-cyl | Rear-Wheel Drive | Automatic (S8) | Premium | 27 | 324 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | All-Wheel Drive | Automatic (S8) | Premium | 27 | 333 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | Rear-Wheel Drive | Automatic (S8) | Premium | 28 | 323 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | Rear-Wheel Drive | Manual 6-spd | Premium | 27 | 326 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | All-Wheel Drive | Automatic (S8) | Premium | 27 | 332 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | All-Wheel Drive | Automatic (S8) | Premium | 27 | 333 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | All-Wheel Drive | Automatic (S8) | Premium | 27 | 333 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | Rear-Wheel Drive | Manual 6-spd | Premium | 25 | 360 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | Rear-Wheel Drive | Automatic (S8) | Premium and Electricity | 30 | 189 | 14 | EPA ↗ |
| 2018 | 2.0 L 4-cyl | Rear-Wheel Drive | Automatic (S8) | Diesel | 36 | 285 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | All-Wheel Drive | Automatic (S8) | Diesel | 34 | 303 | — | EPA ↗ |
| 2018 | 2.0 L 4-cyl | All-Wheel Drive | Automatic (S8) | Diesel | 34 | 303 | — | EPA ↗ |
| 2018 | 3.0 L 6-cyl | Rear-Wheel Drive | Automatic (S8) | Premium | 25 | 352 | — | EPA ↗ |
| 2018 | 3.0 L 6-cyl | Rear-Wheel Drive | Manual 6-spd | Premium | 23 | 389 | — | EPA ↗ |
| 2018 | 3.0 L 6-cyl | All-Wheel Drive | Automatic (S8) | Premium | 25 | 357 | — | EPA ↗ |
| 2018 | 3.0 L 6-cyl | All-Wheel Drive | Manual 6-spd | Premium | 23 | 390 | — | EPA ↗ |
| 2018 | 3.0 L 6-cyl | All-Wheel Drive | Automatic (S8) | Premium | 23 | 382 | — | EPA ↗ |
US EPA test figures (US MPG, US test cycle), fueleconomy.gov ↗, US government public domain.
US NHTSA safety ratings
| Vehicle | Overall | Front | Side | Rollover | Source |
|---|---|---|---|---|---|
| 2018 BMW 3 Series 4 DR AWD | ★★★★★ (5/5) | ★★★★☆ (4/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | NHTSA ↗ |
| 2018 BMW 3 Series 4 DR RWD | ★★★★★ (5/5) | ★★★★☆ (4/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | NHTSA ↗ |
| 2018 BMW 3 Series GT 5 HB AWD | ★★★★★ (5/5) | ★★★★☆ (4/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | NHTSA ↗ |
| 2018 BMW 3 Series SW AWD | ★★★★★ (5/5) | ★★★★☆ (4/5) | ★★★★★ (5/5) | ★★★★★ (5/5) | NHTSA ↗ |
NHTSA 5-Star Safety Ratings (US government, public domain). US-market versions; not the same tests as Euro NCAP.
US safety recalls
-
26V441000 2026-07-08 · model years 2016, 2017, 2018
ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
BMW of North America, LLC (BMW) is recalling certain 2018-2020 530e xDrive, 2017-2019 740Le xDrive, 2018-2020 530e iPerformance, 2016-2018 330e iPerformance vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.
Remedy: Owners are advised to park outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed September 30, 2026. Owners may…
-
25V700000 2025-10-15 · model years 2018
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
BMW of North America, LLC (BMW) is recalling certain 2018 328D SportsWagon, 328D xDrive SportsWagon, 328D xDrive, and 328D diesel vehicles equipped with an exhaust gas recirculation (EGR) module with an integrated cooler. The EGR cooler may leak internally, causing coolant to mix with diesel engine soot, which could…
Remedy: Dealers will replace the EGR cooler, inspect and replace the intake manifold, if necessary, and clean the EGR pipe connecting the cooler to the manifold, free of charge. Owner notification letters are expected to be…
NHTSA recalls database (US government, public domain). Recalls apply to US-market vehicles; check the manufacturer for your country.
Generation in 2018
Sources
- UK VCA fuel & emissions data — https://carfueldata.vehicle-certification-agency.gov.uk/Open Government Licence v3.0
- US EPA / DOE FuelEconomy.gov — https://www.fueleconomy.gov/feg/ws/index.shtmlUS Government public domain
- NHTSA 5-Star Safety Ratings API — https://api.nhtsa.gov/SafetyRatingsUS Government public domain
- NHTSA recalls database — https://www.nhtsa.gov/recallsUS Government public domain
- Car Model Index — https://models.autoculturesociety.com/Compiled record. Sources that do not permit reuse are not copied; this index is credited instead.