AUDI A8 (D4/4H)
Car comparison
AUDI A8 (D4/4H) 4.2 FSI V8vsAUDI A8 (D5) 50 TDI V6
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonAUDI A8 (D5)
50 TDI V6
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
AUDI A8 (D4/4H) 4.2 FSI V8
- Quickest 0-100 km/h5.7 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Most powerful372 hp277 kW
- Lightest1,835 kg4,045 lb
- Best power-to-weight203 hp/t151 kW/t4.9 kg/hp
- Largest trunk510 L
- Best overall score72/100
- Best performance score70/100
- Best practicality score76/100
AUDI A8 (D5) 50 TDI V6
- Highest torque600 Nm443 lb-ft
- Lowest combined fuel consumption5.8 L/100 km40.6 mpg US48.7 mpg UK
- Lowest city consumption6.5 L/100 km36.2 mpg US43.5 mpg UK
- Lowest highway consumption5.5 L/100 km42.8 mpg US51.4 mpg UK
- Lowest CO2 emissions152 g/km
- Best estimated range1,241 km771 mi
- Best economy score91/100
Specification comparison
| Model | AUDIA8 (D4/4H)4.2 FSI V8 | AUDIA8 (D5)50 TDI V6 |
|---|---|---|
| Power | 372hp277kW | 286hp213kW |
| Torque | 445Nm328lb-ft | 600Nm443lb-ft |
| Curb weight | 1,835kg4,045lb | 1,975kg4,354lb |
| Gross weight | 2,525kg5,567lb | 2,690kg5,930lb |
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated |
| To 99% top speed | 56.4s99% target: 262 km/h / 163 mph Calculated | 62.8s99% target: 257 km/h / 160 mph Calculated |
| 0-100 km/h | 5.7s | 5.9s |
| 0-200 km/h | 17.1s Calculated | 18.9s Calculated |
| 0-60 mph | 5.5s Calculated | 5.6s Calculated |
| Fuel consumption | 9.5L/100 km24.8mpg US29.7mpg UK | 5.8L/100 km40.6mpg US48.7mpg UK |
| Fuel consumption city | 13.3L/100 km17.7mpg US21.2mpg UK | 6.5L/100 km36.2mpg US43.5mpg UK |
| Fuel consumption highway | 7.2L/100 km32.7mpg US39.2mpg UK | 5.5L/100 km42.8mpg US51.4mpg UK |
| Quarter mile | 13.6s Calculated | 13.9s Calculated |
| Power-to-weight | 203hp/t151kW/t92hp/1000 lb Calculated | 145hp/t108kW/t66hp/1000 lb Calculated |
| Torque-to-weight | 243Nm/t162lb-ft/ton Calculated | 304Nm/t203lb-ft/ton Calculated |
| Estimated range | 947km589mi Calculated | 1,241km771mi Calculated |
| Displacement | 4,163cc254cu in | 2,967cc181cu in |
| Length | 5,137mm202in | 5,172mm204in |
| Width | 1,949mm77in | 1,945mm77in |
| Height | 1,460mm57in | 1,473mm58in |
| Wheelbase | 2,992mm118in | 2,998mm118in |
| Front track | 1,644mm65in | 1,644mm65in |
| Rear track | 1,635mm64in | 1,633mm64in |
| Trunk volume | 510L | 505L |
| Max trunk volume | 906L | - |
| Doors | 4 | 4 |
| Seats | 5 | 5 |
| Fuel tank | 90L | 72L |
| CO2 emissions | 219g/km | 152g/km |
Performance charts
Use the estimates as comparison hints and verify exact figures before making decisions.
Dyno simulation
Estimated stock-style power and torque curves by engine speed.
- AUDI A8 (D4/4H) 4.2 FSI V8: Power / Torque
- AUDI A8 (D5) 50 TDI V6: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 6,800 rpm | 3,500 rpm | 7,050 rpm |
| AUDIA8 (D5)50 TDI V6 | 3,750-4,000 rpm | 1,250-3,250 rpm | 4,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | AUDIA8 (D4/4H)4.2 FSI V8 | AUDIA8 (D5)50 TDI V6 |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 5.5 s | 5.6 s |
0-100 km/h 0-62 mph | 5.7 s | 5.9 s |
0-200 km/h 0-124 mph | 17.1 s | 18.9 s |
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited |
| Drag race simulation | ||
60 ft 18 m | 2.5 s | 2.5 s |
330 ft 101 m | 6.2 s | 6.3 s |
1/8 mile 201 m | 9.1 s | 9.2 s |
1000 ft 305 m | 11.6 s | 11.8 s |
1/4 mile 402 m | 13.6 s | 13.9 s |
Trap speed 1/4 mile 402 m | 179 km/h 111 mph | 173 km/h 108 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 372 hp 277 kW |
| AUDIA8 (D5)50 TDI V6 | 286 hp 213 kW |
AUDI A8 (D4/4H) 4.2 FSI V8 has 86 hp more than AUDI A8 (D5) 50 TDI V6.
The biggest power difference is between AUDI A8 (D5) 50 TDI V6 and AUDI A8 (D4/4H) 4.2 FSI V8: 86 hp (64 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 445 Nm 328 lb-ft |
| AUDIA8 (D5)50 TDI V6 | 600 Nm 443 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 1,835 kg 4,045 lb |
| AUDIA8 (D5)50 TDI V6 | 1,975 kg 4,354 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| AUDIA8 (D5)50 TDI V6 | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 5.7 s |
| AUDIA8 (D5)50 TDI V6 | 5.9 s |
The biggest 0-100 km/h difference is between AUDI A8 (D4/4H) 4.2 FSI V8 and AUDI A8 (D5) 50 TDI V6: 0.2 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
| AUDIA8 (D5)50 TDI V6 | 5.8 L/100 km 40.6 mpg US 48.7 mpg UK |
The biggest fuel consumption difference is between AUDI A8 (D5) 50 TDI V6 and AUDI A8 (D4/4H) 4.2 FSI V8: 3.7 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 203 hp/t 151 kW/t 4.9 kg/hp |
| AUDIA8 (D5)50 TDI V6 | 145 hp/t 108 kW/t 6.9 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 947 km 589 mi |
| AUDIA8 (D5)50 TDI V6 | 1,241 km 771 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 372 hp 277 kW | 5.7 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| AUDIA8 (D5)50 TDI V6 | 286 hp 213 kW | 5.9 s | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
Most attractive quadrant
Scatter chart with performance score on the X axis and practicality score on the Y axis.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 |
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| AUDIA8 (D5)50 TDI V6 |
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Performance vs fuel economy
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 |
| 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | ||||||
| AUDIA8 (D5)50 TDI V6 |
| 5.8 L/100 km 40.6 mpg US 48.7 mpg UK | ||||||
AUDI A8 (D5) 50 TDI V6 is closest to the top-right balance target for performance and fuel economy.
Acceleration vs fuel consumption
Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 5.7 s |
| AUDIA8 (D5)50 TDI V6 | 5.8 L/100 km 40.6 mpg US 48.7 mpg UK | 5.9 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| AUDIA8 (D4/4H)4.2 FSI V8 | 203 hp/t 151 kW/t 4.9 kg/hp | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
| AUDIA8 (D5)50 TDI V6 | 145 hp/t 108 kW/t 6.9 kg/hp | 5.8 L/100 km 40.6 mpg US 48.7 mpg UK |
Detailed score breakdown
| Vehicle | AUDIA8 (D4/4H)4.2 FSI V8 | AUDIA8 (D5)50 TDI V6 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 372 hp 277 kW | 286 hp 213 kW | ||||||||||||||||
| Torque | 445 Nm 328 lb-ft | 600 Nm 443 lb-ft | ||||||||||||||||
| Acceleration | 5.7 s | 5.9 s | ||||||||||||||||
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,835 kg 4,045 lb | 1,975 kg 4,354 lb | ||||||||||||||||
| Fuel consumption | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 5.8 L/100 km 40.6 mpg US 48.7 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 947 km 589 mi | 1,241 km 771 mi | ||||||||||||||||
| CO2 score | 219 g/km | 152 g/km | ||||||||||||||||
| Trunk score | 510 L 18.0 cu ft | 505 L 17.8 cu ft | ||||||||||||||||
| Power-to-weight score | 203 hp/t 151 kW/t 4.9 kg/hp | 145 hp/t 108 kW/t 6.9 kg/hp | ||||||||||||||||
| Overall | Fixed score | Fixed score |
Fuel cost and annual usage
Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.
Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.
LC = Local Currency
| Vehicle | AUDI A8 (D4/4H) 4.2 FSI V8 | AUDI A8 (D5) 50 TDI V6 |
|---|---|---|
| Consumption | 9.5 L/100 km24.8 mpg US29.7 mpg UK | 5.8 L/100 km40.6 mpg US48.7 mpg UK |
| Cost / 100 km | 16.63 LC100 km | 10.15 LC100 km |
| Cost / 100 mi | 26.76 LC100 mi | 16.33 LC100 mi |
| Annual fuel used | 1,425 L376 US gal313 UK gal | 870 L230 US gal191 UK gal |
| Annual fuel cost | 2,494 LC/year | 1,523 LC/year |
Head-to-head comparisons
AUDI A8 (D4/4H) 4.2 FSI V8
- Has 86 hp more
- Is 140 kg lighter
- Is 0.2 s quicker from 0-100 km/h
- Has 5 km/h (3 mph) higher top speed
- Has 58 hp/t better power-to-weight
- Has 5 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Lightest
- Best power-to-weight ratio
- Largest trunk
Cons
- Highest combined fuel consumption
- Highest CO2 emissions
AUDI A8 (D5) 50 TDI V6
- Has 155 Nm more
- Uses 3.7 L/100 km less fuel
- Has 294 km (183 mi) more estimated range
- Emits 67 g/km less CO2
Pros
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
Cons
- Slowest 0-100 km/h
- Lowest power
- Heaviest
- Lowest top speed
- Smallest trunk
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