AUDI A8
D3 (Typ 4E) / D3 / D4 (Typ 4H) / D4 / 2003-2019 / Sedan / Luxury Sedan
Year and trim selector
Choose the exact year and trim to see engine, oil and service details.
2003 AUDI A8 ASB/AKF (4E)
4E / ASB, AKF, AXE, BHK, BMC, BHN, BWO / The 2003 Audi A8 (D3) was offered with a range of V6, V8, and W12 engines, including 3.0L V6 (ASB), 4.2L V8 (BHK), and 6.0L W12 (BHN). Market availability of engines varied; V6 available in Europe and select markets, V8 in most global markets, W12 in premium markets. Diesel variants with V6 TDI (BMC, BWO) were offered mainly in Europe.
2004 AUDI A8 BFM/ASB (4E)
4E / BFM, ASB, BBJ, BUG / Available engines in 2004 included 3.7L V8 (BFM), 4.2L V8 FSI (ASB), 4.2L V8 TDI (BBJ), and 6.0L W12 (BUG) for various markets.
2005 AUDI A8 BFM/BMW (4E)
4E / BFM, BMW, CGKA, BHT / 2005 Audi A8 D3 offered with multiple engines globally including V8 4.2L (BFM/BMW), V6 3.2L FSI (CGKA) mainly in Europe, and 6.0L W12 (BHT) in select markets.
2007 AUDI A8 BHT/BKN (4E)
4E / BHT, BKN, BPP, BKJ, BKH, CARB (3.0 TDI), CJMA (4.2 FSI), CDYA (4.2 TDI) / Available with multiple petrol and diesel engines globally, including 3.2L V6 FSI (BKH), 4.2L V8 FSI (CJMA), 4.2L V8 TDI (CDYA), 3.0L V6 TDI (CARB), with variations by market.
2008 AUDI A8 BHF/CGWB (4E)
4E / BHF, CGWB, CGWA, BKN, BVJ, CCA / Range of petrol and diesel engines including 3.2L V6 FSI (BHF), 4.2L V8 FSI (CGWB, CGWA), 4.2L V8 TDI diesel (BKN), 3.0L V6 TDI (BVJ, CCA). Market-dependent availability.
2009 AUDI A8 BKH/CGL (4E)
4E / BKH, CGL, CASA, CGWB, CGWA / The 2009 Audi A8 (D3) featured a range of engines including 3.0L V6 turbo-diesel (BKH, CGL) mainly for Europe, and 4.2L V8 petrol engines (CASA, CGWB, CGWA) for global markets. Engine availability differed by market due to emissions and consumer demand.
2012 AUDI A8 CDUC/CDUA (4H)
4H / CDUC, CDUA, CHK, CKGA, CKGB, CKHA, CGWD / Available engines in 2012 included various petrol V6 (3.0 TFSI), V8 (4.2 FSI), and diesel V6 and V8 options. Markets differ: V8 petrol and W12 were available in select regions, diesel variants mainly in Europe.
2014 AUDI A8 CGWB/CTRA (4H)
4H / CGWB, CTRA, CTUA, CTTC, CTUD / 2014 Audi A8 D4 included a range of V6 and V8 TFSI petrol engines and TDI diesel engines. Engine availability varied by market, including 3.0L V6 TFSI, 4.0L V8 TFSI, 3.0L V6 TDI, and 4.2L V8 TDI options.
2015 AUDI A8 CJGC/CCWA (4H)
4H / CJGC, CCWA, CGLA, CTEC, CDHB, DCGA / Range of gasoline and diesel V6 and V8 engines including 3.0 TFSI (CJGC, CCWA), 4.0 TFSI V8 (CGLA), and 3.0 TDI V6 (CTEC, CDHB) with market-dependent availability. China market often had detuned or adapted versions.
2016 AUDI A8 CJE/CNG (4H)
4H / CJE, CNG, CJGC, CZCA, CJEB / The 2016 Audi A8 D4 featured several powertrain options globally, primarily 3.0L TFSI V6 (CJE - supercharged petrol), 3.0L TDI V6 (CNG, CJGC - diesel), 4.0L TFSI V8 (CZCA), and 4.2L TDI V8 (CJEB). Engine offerings varied significantly by market due to emission regulations and customer preference.
2017 AUDI A8 CJK/CPK (D5)
D5 / CJK, CPK, CRY, CXA, EVZ / Multiple engine options including 3.0L V6 TFSI (CJK, CPK), 4.0L V8 TFSI (CRY), 3.0L V6 TDI (CXA, EVZ) engines offered globally with variations depending on market. The 3.0L V6 Gasoline engine codes CJK and CPK power versions range from about 335-340 hp. The 4.0L V8 Gasoline (CRY) offers higher power configurations. The 3.0L V6 Diesel models vary by market with CXA and EVZ codes.
2018 AUDI A8 CSUB/CLKC (4N)
4N / CSUB, CLKC, DLZ, DEVA, DVN / The 2018 Audi A8 D5 generation featured a range of engines internationally including 3.0L V6 TFSI (CSUB), 4.0L V8 TFSI (CLKC), 3.0L V6 TDI (DLZ, DEVA), and 4.2L V8 TDI (DVN), depending on region and market emission requirements.
2019 AUDI A8 CJKA (3.0 TFSI V6, gasoline)/CKVA (3.0 TDI V6, diesel, Euro 6 markets) (D5)
D5 / CJKA (3.0 TFSI V6, gasoline), CKVA (3.0 TDI V6, diesel, Euro 6 markets), DMGA (4.0 TFSI V8, gasoline, select markets) / The 2019 Audi A8 D5 generation was offered globally with a range of engines: a 3.0L V6 turbocharged gasoline (CJKA), a 3.0L V6 turbo diesel (CKVA) primarily in Europe, and a 4.0L V8 twin-turbo gasoline (DMGA) in select markets.
Engine codes by year
| Year | Trim | Engine codes | Displacement | Fuel system |
|---|---|---|---|---|
| 2003 | technical-profile | ASB, AKF, AXE, BHK, BMC, BHN, BWO | 3.0L to 6.0L | Multi-point fuel injection; common rail direct injection for diesel |
| 2004 | technical-profile | BFM, ASB, BBJ, BUG | 3.7L - 6.0L | Multi-point fuel injection (gasoline engines), Common rail direct injection (TDI diesel) |
| 2005 | technical-profile | BFM, BMW, CGKA, BHT | 3.2L to 6.0L | Fuel Stratified Injection (FSI) for petrol engines, Common rail for diesels |
| 2007 | technical-profile | BHT, BKN, BPP, BKJ, BKH, CARB (3.0 TDI), CJMA (4.2 FSI), CDYA (4.2 TDI) | 3.0L to 4.2L V6 and V8 engines | Direct fuel injection (FSI for petrol; common rail for TDI diesels) |
| 2008 | technical-profile | BHF, CGWB, CGWA, BKN, BVJ, CCA | 2995-4163 cc | Direct Injection (FSI) for petrol, Common Rail Injection for diesels |
| 2009 | technical-profile | BKH, CGL, CASA, CGWB, CGWA | 2967cc (V6 TDI), 4163cc (V8 petrol) | Common rail direct injection diesel (V6 TDI), multi-point fuel injection (V8 petrol) |
| 2012 | technical-profile | CDUC, CDUA, CHK, CKGA, CKGB, CKHA, CGWD | 3.0L to 4.2L petrol and diesel V6 and V8 engines | Direct injection (FSI for petrol, TDI for diesel variants) |
| 2014 | technical-profile | CGWB, CTRA, CTUA, CTTC, CTUD | 2995cc (V6), 3993cc (V8) | Direct Injection (Fuel Stratified Injection for petrol engines), Common Rail diesel |
| 2015 | technical-profile | CJGC, CCWA, CGLA, CTEC, CDHB, DCGA | 2967 cc (3.0L V6), 3993 cc (4.0L V8), 2967 cc (3.0L V6 diesel) | Direct fuel injection (FSI for gasoline; common rail for diesel) |
| 2016 | technical-profile | CJE, CNG, CJGC, CZCA, CJEB | 2995cc (3.0 V6), 3993cc (4.0 V8), 4134cc (4.2 V8 diesel) | Direct injection with turbo/supercharging depending on engine |
| 2017 | technical-profile | CJK, CPK, CRY, CXA, EVZ | 3.0L - 4.0L | Direct injection with turbocharging (TFSI for petrol, common rail for diesel) |
| 2018 | technical-profile | CSUB, CLKC, DLZ, DEVA, DVN | 2995 - 4146 cc | Direct injection (TFSI gasoline), Common rail (TDI diesel) |
| 2019 | technical-profile | CJKA (3.0 TFSI V6, gasoline), CKVA (3.0 TDI V6, diesel, Euro 6 markets), DMGA (4.0 TFSI V8, gasoline, select markets) | 2995cc (3.0L V6), 2967cc (3.0L V6 diesel), 3993cc (4.0L V8) | Direct injection with turbocharging (gasoline and diesel variants) |
Oil capacity by engine
| Year | Engine codes | Oil type | Oil capacity | Fluid |
|---|---|---|---|---|
| 2003 | ASB, AKF, AXE, BHK, BMC, BHN, BWO | VW 502 00 specification or equivalent synthetic engine oil | Approx. 7.5 liters (service-fill including oil filter change, varies with engine) | Audi G 052 162 A2 or approved equivalent |
| 2004 | BFM, ASB, BBJ, BUG | Audi/VW 5W-40 fully synthetic engine oil | Approx. 8.5 liters including filter (service-fill, filter change recommended) | Audi G 052 182 A2 or equivalent |
| 2005 | BFM, BMW, CGKA, BHT | Synthetic 5W-40 or 5W-30 meeting VW 502 00/505 00 standards | Approx. 7.5 liters (including filter) - service fill with filter change | Audi G 052 162 A2 / ZF Lifeguard Fluid 6 |
| 2007 | BHT, BKN, BPP, BKJ, BKH, CARB (3.0 TDI), CJMA (4.2 FSI), CDYA (4.2 TDI) | VW 502 00 / 505 00 approved synthetic oil (5W-40 typical) | Approx. 8.5L service-fill including filter change, varies slightly with engine | VW G 055 162 A2 or equivalent synthetic ATF |
| 2008 | BHF, CGWB, CGWA, BKN, BVJ, CCA | Fully synthetic 5W-40 approved for VW 502 00 / 505 00 | Approx. 8.5 liters with filter change (service fill) | Audi G 052 162 A2 or equivalent |
| 2009 | BKH, CGL, CASA, CGWB, CGWA | VW 504 00 / 507 00 compliant synthetic oil | Approx. 6.5 liters with filter (service fill, including oil filter change) | Audi G 052 162 A2 or equivalent synthetic |
| 2012 | CDUC, CDUA, CHK, CKGA, CKGB, CKHA, CGWD | VW 502 00 / VW 505 01 synthetic oil | Approx. 7.5 liters service-fill including oil filter replacement (varies by engine) | Audi G 052 162 A2 or equivalent synthetic fluid |
| 2014 | CGWB, CTRA, CTUA, CTTC, CTUD | Fully synthetic SAE 5W-40 or 5W-30 meeting VW 502 00 / 505 00 | Approx. 7.5 liters (service-fill, including oil filter change) depending on engine variant | Audi-approved ATF, change interval ~60,000 km or 4 years |
| 2015 | CJGC, CCWA, CGLA, CTEC, CDHB, DCGA | High-performance synthetic oil meeting VW 502 00 (gasoline) or VW 507 00 (diesel) standards | Approx. 7.0 to 8.5 liters total service fill including filter change, varies by engine code | Audi special ATF (G 052 182 A2 or equivalent) |
| 2016 | CJE, CNG, CJGC, CZCA, CJEB | Fully synthetic SAE 5W-40 or SAE 5W-30 meeting VW 502.00/505.01 standards | Approx. 6.5 to 7.5 liters, service-fill including filter change | Audi G 052 182 A2 or equivalent synthetic fluid |
| 2017 | CJK, CPK, CRY, CXA, EVZ | Audi approved synthetic 5W-30 or 0W-40 fully synthetic engine oil meeting VW 502 00 / 505 00 standards | Approx. 7.0 L (includes filter), service fill quantity varies by engine; replace oil filter with each oil change | Audi recommended automatic transmission fluid, service interval varies by market |
| 2018 | CSUB, CLKC, DLZ, DEVA, DVN | Fully synthetic 5W-30 Audi VW 507 00 specification | Approx. 7.5 liters service-fill (oil and filter included) | Audi VW G 052 182 A2 synthetic ATF |
| 2019 | CJKA (3.0 TFSI V6, gasoline), CKVA (3.0 TDI V6, diesel, Euro 6 markets), DMGA (4.0 TFSI V8, gasoline, select markets) | Fully synthetic 5W-40 ACEA C3 or equivalent, per Audi specifications | Approx. 7.0 to 7.5 liters; service-fill including oil filter change | Audi VAG G 055 162 A2 or equivalent |
Technical specifications
- Engines: ASB, AKF, AXE, BHK, BMC, BHN, BWO, BFM, BBJ, BUG, BMW, CGKA
- Transmissions: Not offered in 2003; automatic transmissions prevalent, 6-speed Tiptronic automatic or 6-speed manual (rare/specific markets only on diesel variants), Audi G 052 162 A2 or approved equivalent, Not available in most markets for 2004 A8; primarily automatic, 6-speed tiptronic automatic, Audi G 052 182 A2 or equivalent, Not commonly available, most 2005 A8s had automatic transmissions, 6-speed Tiptronic automatic (ZF 6HP26 or similar)
- Tire sizes: 245/45 R18, 255/40 R19, 265/35 R19, 245/45 R17, 255/40 R18, 245/45R18, 255/40R19, 275/35R19, 275/40R20, 275/35 R20
- Bolt pattern: Verify by exact trim and wheel package
- Wheel torque: Verify by VIN and wheel package
- Battery: Verify by engine, market and equipment package
Fluids and service data
- Engine oil: VW 502 00 specification or equivalent synthetic engine oil / Audi/VW 5W-40 fully synthetic engine oil / Synthetic 5W-40 or 5W-30 meeting VW 502 00/505 00 standards / VW 502 00 / 505 00 approved synthetic oil (5W-40 typical)
- Transmission fluid: Audi G 052 162 A2 or approved equivalent / Audi G 052 182 A2 or equivalent / Audi G 052 162 A2 / ZF Lifeguard Fluid 6 / VW G 055 162 A2 or equivalent synthetic ATF
- Coolant: Approx. 13 liters / Approx. 12 liters / Approx. 12-14 liters depending on engine and market / Approx. 12-14 liters
- Brake fluid: DOT 4 / DOT 4, replaced every 2 years / DOT 4 synthetic / DOT 4 high-performance fluid
Known problems
- Air suspension wear
- Timing chain tensioner noise (V8)
- Complex all-wheel drive system issues
- Air suspension issues (if equipped)
- Timing chain tensioner wear (3.7L V8)
- Electrical system faults due to complex electronics
- Air suspension issues
- Timing chain tensioner wear on some V8 engines
- Oil leaks around camshaft seals
- Air suspension component wear/failure
- Timing chain tensioner issues in early petrol engines
- Leakage in oil cooler seals