Germany vs Germany — 1990 vs 1979
| SL 500SL (R129) | G-Class G 500 (W463) | |
|---|---|---|
| Horsepower | 322 hp | 296 hp |
| Torque | 354 lb-ft | 336 lb-ft |
| Engine Size | 4,973 cc | 4,966 cc |
| 0-60 mph | 6.2 sec | 7.4 sec |
| Top Speed | 155 mph | 130 mph |
| ¼ Mile | 14.5 sec | 15.5 sec |
| Weight | 3,990 lbs | — |
| Wheelbase | 2,515 mm | 2,850 mm |
| Length | 4,470 mm | 4,662 mm |
| Units Produced | 85,000 | — |
| Original MSRP | $82,500 | — |
| Value (Excellent) | $50,000 | $120,000 |
| Collectibility | 6/10 | 5/10 |
| Rarity | 3/10 | 4/10 |
On balance, the 1990 Mercedes-Benz SL 500SL (R129) makes a stronger case on paper with quicker acceleration, higher top speed, stronger collectibility. However, the 1979 Mercedes-Benz G-Class G 500 (W463) counters with its own distinct appeal, and its appeal extends beyond mere numbers. Choose the 1990 Mercedes-Benz SL 500SL (R129) for outright capability, or the 1979 Mercedes-Benz G-Class G 500 (W463) for a more distinctive ownership experience.
Mercedes-Benz has long offered a diverse lineup, and comparing the 1990 Mercedes-Benz SL 500SL (R129) with the 1979 Mercedes-Benz G-Class G 500 (W463) highlights the breadth of the marque's engineering philosophy. The 1990 Mercedes-Benz SL 500SL (R129) holds a clear advantage in raw power with 322 hp compared to 296 hp, a 26-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz SL uses a V8 DOHC 32V (M119) displacing 4,973 cc, while the Mercedes-Benz G-Class relies on a V8 SOHC 24V with 4,966 cc. In the sprint to 60 mph, the 1990 Mercedes-Benz SL 500SL (R129) edges ahead at 6.2 seconds versus 7.4 seconds. On the collector market, the 1979 Mercedes-Benz G-Class G 500 (W463) commands a significant premium over the 1990 Mercedes-Benz SL 500SL (R129), reflecting differences in prestige and rarity.